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1970, was a great year for Dodge! A whole new line of performance cars had just hit the market. They were the SCAT PACK. The SCAT PACK included the: Dart Swinger 340, Super Bee, Challenger, Charger, and Daytona! Of course there were different models for these cars (R/T, T/A, and SE, not to mention the different engine combos!!!) 1970 was the first year for this bad machine! In 1970, Dodge Challenger came in eight different models. They were:
CHALLENGER DEPUTY (JH21)
CHALLENGER 2 DOOR HARDTOP (JH23)
CHALLENGER 2 DOOR CONVERTABLE (JH27)
CHALLENGER SE¹ 2 DOOR HARDTOP (JP29)
CHALLENGER R/T² 2 DOOR HARDTOP (JS23)
CHALLENGER R/T² 2 DOOR CONVERTABLE (JS27)
CHALLENGER R/T² SE¹ 2 DOOR HARDTOP (JS29)
CHALLENGER T/A³ 2 DOOR HARDTOP (JH23J*)
___________________________
Notes: ¹ SE- Special Edition ² R/T- Road and Track ³ T/A- Trans Am * JH23J- Note that all True Trans Ams are J code cars! J code is 340 6 pack


BODY:
In 1970, Dodge designed a unique body style for the Challenger. The Challenger's body stayed pretty much the same (except for grilles, sidemarkers, and tail panels) for its 5 years. The grille for the 70 was deeply recessed back behind the dual headlamps. The middle section is painted black (the crosshatch pattern piece). The resto of the grille on the Base model challengers was painted Argent Silver, and on the T/A and R/T's the grille was painted flat black. A Challenger emblem (part number 2998546) was placed on the left hand side of the grille and on the Challenger R/T's a R/T emblem (part number 2998547) was placed on the same side after the Challenger name plate (emblem). Most factory photos do not show the T/A's ever having a emblem on the grille. The tail panel was extended across the back of the rear end. The taillights were extended all the way across, with the reverse light in the middle. DODGE was spelled out on the reverse light. There were different tailpanels. The piece that extends across the top of the tailights and houses the trunk lock, could be either painted ORGANISOL, or have the Astrotone Panel. The Astrotone Panel is shown below. The grille and Tailpanel is shown below. Notice the tailpanel is an R/T S.E.! You can tell its an S.E. by seeing the astrotone panel above the tailights!


There were two different gas caps used in 1970. The one that is most popular (and if you have one and would like to sell it please contact me A.S.A.P!!!!) is the chrome flip top. It is chrome and has a black center piece that says fuel on it. The other one used was the twist on. The twist on sat flush against the body with a little built in handle so you could twist it off! Shown below is the two gas caps!


In 1970, four different hoods were used on the Challengers! On the base model challenger (JH23, JH21, JH27, and JP29) was a flat hood with no scoops. This is part number 2934850. It had a moulded peak going down the center. This hood used emblem part number 2449932 (Tri Star) The R/T (JS23, JS27, and JS29) used a hood called the "power bulge" (PN 3417006). This hood gave the impression that there was a huge engine sitting inside. There are two scoops on each side of the hood and they are not dirrectly connected to the air filter (as say a Ram Charger system would be). They had inserts that could be taken out to let more air in. A lot of people took these out! They are available from Year One as a reproduction. Five emblems were used on the "power bulge" were HEMI (PN 2998800), 383 Magnum (PN2998801), 440 Magnum (PN 2998802), 440 6 pack (PN 2998804), and 340 4 barrel (PN 3443247). An optional black out treatment was available on this hood. It covered the top part of the bulge. An optional hood for the R/T's was the famous shaker scoop! This scoop is awesome!!! The scoop was actually mounted on the engine and stuck up through the hood! The part number for shaker hood is 3443271. The Shaker emblems were the same except the HEMI placards! This is a big resto note!!! They were different for each side! Right side is PN 3464490 and the left is PN 3464490. The Challenger T/A (JH23J) had a different hood than all of the other Challengers. This hood was a fiberglass (PN 3443685) hood with a large scoop that was connected directly to the air filter. This hood is very nice looking! Resto note: hinges are painted Organisol. Due to the shortage of shaker scoops in 1970, 2 known R/T's are fitted with the T/A hood! The hood latches were PN 2999081 and the catch was 2999078. They are a raw cast finish. The T/A's used hood pins and no latches. The four hoods are shown below!


The S.E. Challengers had a smaller window than the base model and R/T Challengers. There was a plastic filler panel bolted around the window frame and a smaller window was placed in. All welds and bolts were hidden with a vinyl top! NO S.E. came without a vinyl roof!!! Most of the optional trim came standard on the S.E. Shown Below is the S.E Window.

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There were 3 different fenders used in 1970. One for the Challengers with 14" wheels, a special fender with clearance for the F60x15" which also had extralarge fender wells and special wheel lip moldings. There are rumors that the T/A has a different fender. This fender has no holes for the wheel well moulding, antenna hole (since the antennas were mounted on the rear quarter panel), and a different radius in the wheel opening. All challengers except the T/A had the fender emblem PN 3444938 which was the Challenger Script. 318 models had the V8 emblem under neath the script. This is PN 2579748. On the Base model or S.E. models that were equiped with a 383 4bbl recieved the emblem that said 383 4 barrel. This is PN 3504233. R/T's had the R/T emblem in place of the V8 or 383 4 barrel. This is part number 3445223. The T/A's recieved a decal that ran from the front fender to the rear quarter window. Underneath the decal (on the front fender) it says 340 SIX PAK. This strip was only available in BLACK! So the TX9 (black) cars recieved black stripes! Kinda odd, huh?? The other stripes will be talked about later in this section.

EXTERIOR PAINT AND STRIPES
Dodge Challengers were painted in acrylic enamel. There was a big range of colors available. Some other colors were introduced later on in the year. Below is the paint code chart, which includes fendertag code, Name, Chrysler Code, and ditzler code. Below the paint chart explains about the other colors that were introduced late in the year.

1970 DODGE CHALLENGER EXTERIOR PAINT OPTIONS

Paint Code

Name

Chrysler Code

Ditzler Code

EB3

Light Blue Metallic

AY2EB3

2018

EB5

Bright Blue Metallic

AY2EE5

2019

EB7

Dark Blue Metallic

AY2EB7

2020

FE5

Bright Red

AY1FE5

2136

FF4

Light Green Metallic

AY2FF4

2133

EF8

Dark Green Metallic

AY2EF8

43786

FK5

Dark Burnt Orange Metallic

AY2FK5

2135

BL1

Beige

AY1BL1

22542

FT6

Dark Tan Metallic

AY2FT6

2129

EW1

White

AY1EW1

2033

TX9

Black

AY1TX9

9300

DY3

Cream

AY1DY3

81575

FY4

Light Gold Metallic

AY2FY4

2117

FC7

Plum Crazy

AY2FC7

2210

FJ5

Sublime

AY1FJ5

2128

EK2

Go-Mango

AY2EK2

2201

EV2

Hemi Orange

AY2EV2

2186

FY1

Banana

AY1FY1

2211

FC7, FJ5, EK2, EV2, and FY1 cost $14 more back in 1970. These are considered high impact colors. Other colors were introduced later in the year. They were FJ6 (Green Go), FM3 (Panther Pink), and EA4 (Silver Metallic).


There were 3 stripes used on the Challengers. The stock stripe for the R/T Challenger was the "bumble bee" stripe. This was painted on with acrylic enamel. This stripe was painted across the rear quarter panel and trunk. The big stripe was 5.25" and the thin one was .25". The gap between the two is 5/16 inch. You could get this stripe painted in White, Black, Bright Red, Bright Blue, and Green. A no cost option was the full length body stripe which has R/T stamped out of it. This tape stripe came in White, Black, Blue, Green, and Red. After March 11, 1970 chartruse, and magenta were available. The base model challengers could get this strip as an extra cost. This stripe is the same except for the R/T is not there. The same colors were available. You could not get the "bumble bee" stripe on Base challengers. T/A Challengers had their own unique stripe. This stripe was only available in BLACK ONLY! The stripe begins athe the forward edge of the fender and went to the rear quarter window. There were two different T/A stripes. They were designed with notches in the stripe for the racing mirrors. The T/A logo is stamped into the stripe. Decals that say 340 SIX PAK are placed underneath the T/A stripe.

1970 DODGE CHALLENGER EXTERIOR STRIPE OPTIONS

Fendertag Code

Type

Color

V8X

Bumble Bee

Black

V8W

Bumble Bee

White

V8B

Bumble Bee

Blue

V8F

Bumble Bee

Green

V8R

Bumble Bee

Red

V88

STRIPE DELETE

NONE

V6X

Side Stripe

Black

V6W

Side Stripe

White

V6B

Side Stripe

Blue

V6F

Side Stripe

Green

V6R

Side Stripe

Red

V6J

Side Stripe

Chartruse

V6M

Side Stripe

Magenta

V6H

T/A Stripe

Black Only


Another decal option available on the R/T's was to have the hood blacked out. This option was inspired from the 1968 Roadrunner/GTX hood black out. This black out was on the bulge and inbetween the scoops. This was only available on R/T's with the power bulge. This was option V21.

VINYL, CONVERTABLE, AND SUN ROOFS
All two door hardtops could be ordered with a vinyl roof. They came in black, white, green, or Gator Grain (like alligator skin). The Challenger Deputy used a brighter white top than the other Challengers. The S.E. Challengers could not be ordered without a vinyl roof due to the modifications to the rear window. All M51 (power sunroof) option cars could not be ordered without a Vinyl Roof due to the patch work and weld marks. The power sunroof was available on all Challengers except the S.E.'s and convertable.

VINYL TOP COLOR CODES

Fendertag Code

Color

V1X

Black

V1W

White

V1F

Green

V1G

Gator Grain


The convertable top for convertable Challengers were available in Black or White ONLY! Convertables could be ordered with a power or manual top. The manual top can be easily recognized because there are no provisions for hydraulic lines. For manual tops, a special lift cylinder was required. This is listed as PN 3504648. The power top was an option. The motor was mounted behind the rear seat. The motor and pump/reservoir are the same units as the ones used on earlier models. The lift cylinder is different with PN 3505228. The convertable switch is located under the washer switch on the dash. This switch lists as PN 2947406. There was a change in the wiring harness on January 15, 1971. The ones up to this date use part number 2983251 and the ones after use PN 3513720. There were few Convertables built after January 15, 1971.


MIRRORS
There were many different mirrors used on the 70 Challenger. The 70 Challenger Mirrors are the hardest to find because they were never used on another model. In 71-74 they could interchange with the B-Bodies. The standard mirror that was on the Challenger (which is actually kind a rare!) is the non remote chrome mirror part number 2999553. Most Challenger buyers paid the extra for the remote racing mirrors. These could either be chrome or painted body color. The chrome one is listed as part number 2999549, and the body painted race mirror PN 3548053. You could also order a right hand mirror. This mirror is very expensive! The prices range anywhere from $150-$300 for a mirror! Sometimes the mirror is in very bad shape for this price! The right hand mirror could be ordered in chrome or body painted. This is a hand adjusted mirror, not a remote! The chrome right hand mirror lists as PN 3508989 and the painted one lists as PN 3508990. You can tell the difference between the 70 and 71-74 by looking at the base. If the base is small and rectangular it is a 70. If not it is a different one.

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1970 SAFETY FEATURES
°Side Impact protection with a 2 piece door beam, constructed of a high strength steel, welded into each door.
°A roll beam was placed under the roof near the rear window for greater roof strength.
°Instrument panels and pads are designed to absorb energy.
°Side markers are both reflective and illuminated.
°Roadside Hazard switch is located on the steering column
°The steering column is designed to absorb engergy.
°Steering column has a locking feature that deters theft, and has a warning buzzer ti remind driver to take out the keys.
°Delayed Headlight feature


INTERIOR:
In 1970, there were many different interior options. First of all lets talk about the seats. There were four different types of seats. The standard seats were the high back bucket seats (C55 option) The standard seats were put in the Challenger R/T (Convertable and 2 door hardtop) and Challenger (convertable and 2 door hardtop). They were constructed of full foam, all vinyl with head rests integrated in the seat. They came in Blue, Red, Burnt Orange, Black, Green, Tan, and White.

 


For the Challenger R/T SE and Challenger SE, the seats were constructed of full foam, leather and vinyl bucket seats. The leather is available in Burnt Orange, Tan, and Black. Also available with the SE package was the optional cloth and vinyl. This is available in Burnt Orange, Green, Black and Blue. This option is also available in the non-SE Challenger and Challenger R/T hardtops.

 


There was also an optional bench seat. They look like the bucketseats with a center armrest. It is contructed of all vinyl. It only comes in Black and Blue. The TorqueFlite Automatic Transmission is required with this option.

 


The manual adjusting seats were available for the Challengers too. They could be positioned in many ways, including tilt, fore, aft, up and down. This seat is counterbalanced by spring action so it can easily adjust up and down. You could raise the seat up a total of 1.5 inches.

STEERING WHEELS

There were 3 different steering wheels used in 1970. The standard one was a wood grain wheel with padded spokes and horn button. These were standard on Challenger and Challenger R/T. The Code S79 was standard on SE models. It is like the standard one but with a partial horn ring. The Code S83 wheel is commonly know as the "Rim Blow". This wheel is optional on all models. It is a wood grain wheel with argent silver spokes and a padded center. This has the "Rim Blow" feature. The picture below shows: (left to right) the Standard, Code S79, and Code S83 "rim blow".


INSTRUMENT PANELS AND DASH

There were two different dash panels used on the 70 Challenger. They were the standard cluster, and the rallye guages. The standard cluster is a black face with a big speedo guage, with four smaller pods of guages, which include fuel, temp, ammeter, and clock if ordered. If the clock wasn't ordered a blank panel was inserted. To the left of the speedo includes the switches for the (Left to right, top then bottom) Headlights, wiper switch, dimmer switch, rear defog or top lift. Note: rear defog could not be ordered with a convertable! If you didn't have the rear defog or top lift it was just left blank. The standard cluster was used in the Base models and not the R/T's. Yes, the standard cluster was standard equipment in the T/A's. If the car was an export it recieved a 240 KPH. The US was 120 MPH. Oil pressure light was located on the dash bezel as a light. There were three lights on the panel: high beam indicator, Brake, and Oil Pressure light. There were two different speedos used on the standard cluster. This was affected by the interior decor option. The option was to have a woodgrain applique on the cluster. The speedos without the woodgrain was PN 2984966 (export 2984967). Woodgrain applique recieved PN 2984964 (exports 2984965). Rallye Gauges was an option for the base models (except 6 cylinder models) including the T/A.

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The rallye gauges were standard equipment in the R/T's. The rallye guages contained four large pods which had a tach, speedo, a guage that contained fuel, ammeter, oil, and temp. And the last one is the Rallye Clock. The speedo used in 1970 was PN 2984968 (exports 2984969) The US speedo was 150 MPH and the export was 300 KPH. The tach next to the speedo is PN 2984185, was standard on all five years. In the combination pod (fuel, ammeter, temp, oil) fuel (PN 2984178) was mounted at top, then the temp (PN 2984180) was mounted on the right, oil (PN 2984181) on the left, and the ammeter (PN 2984179) on the bottom. The rallye gauges are woodgrain faced. All rallye gauges up til (build dates) February 1, 1971 used woodgrain called American Walnut (PN 2985807)

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There were four different dash pads for 1970. You could either get a non a/c and 1 speaker dash, a/c and 1 speaker dash, non a/c and 3 speaker dash, and a/c and 3 speaker dash. The three speaker dash is a rare item. This was for stereo optioned challengers only. The 1970 dash pad only fit correctly with the 70 Challenger. It had a script emblem that said "Challenger" on the right side of the dash. Below a picture of this dash is shown. Nowadays it is very hard to find a 70 dash pad because of its one year usage. The other years it was interchangeable. You can put a later year challenger pad on the 70 frame but the sides will not line up correctly. Its not a bad alternative if you can't find a dash pad. A company reproduces the 70 pad. This company is just dashes. They are a company located in Souther California. Their prices are extremely high (if you are on a budget). They charge over $600 for the reproduction! Ouch! The dash frame was painted to match your interior trim. The interior trim codes are posted below. The dash components consisted of some different add on options. If you had the A01 option you would recive a map light, which includes a light, switch, bezel, and shield. If you had a four speed you would have the Reverse warning light. The steering column was also painted to match your interior trim code. A conviently located hazard lights was located by the ignition. Also if you had the A01 option you also recieved a ignition light located next to the hazards switch. Shown below is a diagram showing the dash, a/c vents, glovebox, ashtray, map light assembly, steering column, dimmer switch, pedals, and one very nicely restored RIM BLOW steering wheel.

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HEATER AND A/C CONTROLS

The heater and a/c controls are located on underneath the gauges and to the left of the steering column. A/C controls are different for Rallye and Standard clustered Challengers, while the non a/c Challengers are not different between the two clusters. Below is the pictures of the heater and A/C controls. They explain what each button is for.

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INTERIOR TRIM CODES AND COLORS

CODE

SEAT    

DOOR PANEL

REPAINT DOOR PANEL

ARMREST

CARPET

HEADLINER

DASH PANEL

H4B, H6B, P6B, H5B

Brite Blue

Med. Blue

Thuder Blue Poly

Brite Blue

Med. Blue

Med. Blue

Thunder Blue Poly

P5X, PRX, H6X

Black

Black

Jewel Black

Black

Black

Black

Jewel Black

P6E, H6E

Red

Red

Poppy Red

Red

Dark Red

Red

Poppy Red

P6F, H6F, H4F, H58

Green

Dark Green

Bayou Green

Dark Green

Dark Green

Dark Green

Bayou Green

P6K, P5K, HRK, H4K

Burnt Orange

Burnt Orange

Sunfire Orange

Burnt Orange

Dark Burnt Orange

Dark Burnt Orange

Sunfire Orange

P6T, PRT, H6T

Tan

Tan

Puma Tan

Tan

Dark Tan

Light tan

Puma Tan

P6XW, PRXW, H4XW, H6XW

White

White

Dove White

White

Black

White

Jewel Black

P6EW, H6EW

White

White

Dove White

White

Red

Red

Poppy Red

P6FW, H4FW

White

White

Dove White

White

Dark Green

Dark Green

Bayou Green

P6BW, H6BW, H4BW

White

White

Dove White

White

Med. Blue

Med. Blue

Thunder Blue

P6XY

Gold

Black

Jewel Black

Black

Black

Black

Jewel Black


HEADLINERS

There were a few different headliners used in the 70 Challengers! They were either the 5 bow, 6 bow, or the SE. The 5 bow was a perforated headliner (which corresponded to your interior code) The 6 bow headliner was like a corduroy like material (which also corresponded to your interior code) The SE headliner was a one piece felt covered hard board to accomodate the SE overhead consolette. This also corresponded to your interior code! Restoration Note: when installing a new headliner, be sure to number your bows because after so many years they form to the position! If you are using new bows no need to worry about this note! If you interchange places with the bows your headliner could sit funny! Just a little note! Convertable Challengers did not use a headliner since the rag top was the head liner!

INTERIOR DOOR PANELS

The interior door panel was a one piece molded plastic panel to match your color of your interior. (see interior codes posted above!) In the center of the door panel could be a trim plate that is chrome, black, and with a wood grain insert. In the center of this is the Dodge Tri-Star (I believe it is called the Fratzog) All 1970 Challengers that had the trim plate came with PN 3415312. The SE used a different trim panel. It was the same design but the emblem said Special Edition. This was PN 3415843. Below is a picture of both the front door panel and the rear quarter door panel.

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RADIOS

You could also get radios as options. There were a few different radios available, which included: AM radio (PN 2884853) the volume and the tuning knob were located on the same side of the radio, AM radio tape player had the same knob arrangement and included a tape player below the push buttons. AM/FM Radio with four chrome thumb wheels, all on the left side. Then there was the four thumbwheel radio with an 8-track player.

POWER WINDOWS, REAR DEFOGGER, & CRUISE CONTROL

Power windows was an option for the Challenger, the driver could operate any of the windows from their seat. The driver's door panel has a switch that contains four switches to control the windows. The other doors have only one switch which controls the window closes to it. Rear deffoger system was available as an option also. It was a convienient option because it got rid of the fog in the back window which was hazardous for viewing. Cruise Control was another rare option available on Challengers! To set he cruise control you would press the button at the end of turn signal lever and release it when the speed you want is reached. The car will maintain the speed both up and down hills. To increase the speed by 2 or 3 MPH the button can be tapped, or you can press the gas pedal and press the button again. If the brakes are used, you can resume the speed by rotating the collar to resume. IF rotated to off it will erase the "speed memory". Turning the car off or applying brakes will disengage the system. The system will disengage if the speedo cable breaks. Availible with auto tranny and V-8 only. Below is pictures of all three options described above.

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SHIFTERS

There were four different options for shifters. Two each for automatic and manual (stick) shift. For manual (stick) shift transmissions, the standard transmission was the 3 speed Manual, which was floor mounted. The shifter was a chrome rod with a big ball as the shift knob. This was standard on the: 225, 318, 340, and 383 (N.A. with 383 2bbl.). Not Available with the 440 and 426 Hemi engines. The optional shifter was the famous pistol grip shifter made by Hurst Shifters. It is called the pistol grip because it has the appearance of a pistol grip. This was floor mounted with or without console (console extra cost code C16). This shifter was available on all V-8 engines except for the 383 2bbl and the 225 Slant Six. The 318, 340, and 383 engines used a 2.47 low gear while the 440 and 426 used a 2.44 low gear. With this shifter, a reverse warning light was placed on the dash inbetween the ashtray and glovebox. For automatic transmissions (A-727 {which came with big blocks and 340's} and the A-904 {small blocks and 225 Slant Six}) had two options. There was the column mounted shifter (which was extra cost on all models) and the console mounted shifter. The Column mounted is a chrome rod coming out from the right hand side of the steering column and has a black knob with a silver center. The gear indicator was placed on the column in easy view. The floor shifted automatic was optional when the extra cost console is selected. This was optional in all models. The shifter is a small chrome rod coming out of the floor with a big wood grain knob and a black push button on the top. To shift push the black knob and pull the shifter backwards. This shifter was called the slap stick because you could change gears by "slapping" the shifter (not really slapping it! :-þ) into gears. You can "slap" the shifter from reverse into drive without having to push the button. You then can "slap" it in to Neutral and drive once its past reverse. If you shift it into 1st you can shift it to 2nd and then into drive. But not the reverse. From drive you cannot shift into 2nd, 1st, Reverse, or park.



S.E. INTERIOR OPTIONS

On the Special Edition Challengers, there were more highly optioned in the interior department. They had their own door panel applique (that said Special Edition) and a carpet trim lower piece on the lower half of the door. It was the color of your interior with a red reflector. Also, the SE’s came with an overhead consolette. It housed warning lights and a square shaped dome light (which now of days is kinda hard to find!) The lights were Low Fuel, Door Ajar, and Seat Belts. The latter two are on a time delay set at a fixed interval.

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ENGINES, TRANSMISSIONS, & DRIVETRAIN

There were many available engines for the Challenger. Below is a picture and description of each engine, including specifications, horsepower ratings, and touque ratings.

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TRANSMISSIONS
Challengers could only come with a 3 speed manual stick shift, 3 speed automatic shift, or 4 speed manual stickshift. The engine size determined what transmission the challenger recieved. The Slant Sixes (198 and 225) either got the A903 ( 3spd manual) or the A-904-G (3spd auto). 318 V8 engines could get the A-904-LA (3spd auto), A-230 (3spd manual) or the A-833 (4spd manual). From 318 up to 426 could have the A-833. The 383 2bbl could not have the A-833 as an option. 440 and 426 had the A-833 as standard but could not be ordered with an A-230. The automatic transmission from 340 to 426 is the A-727.

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The A-833 is the favorite of all the Challenger Transmissions becuase of the shifter and its four gears! The shifter is so cool because its big, bad, and awesome! It is a moulded grip like a pistol (the actual name for it is pistol grip). It is shown to the left of this paragraph. The pistol grip shifter was made by Hurst especially for Mopar. The shifter can be seen in other cars (like cudas). The pistol grip is standard in Trans Am (T/A) models. If the A-833 transmission was ordered you got the pistol grip shifter! The looks and the style of the shifter complete the interior of the challenger, don't you think? The pistol grip could be console mounted or not. The console was an extra cost option (option C16).


DRIVETRAIN (REAR AXELS AND DRIVESHAFTS)

Three different axels were used in the Challengers. The 7.25", 8.75", and 9.75" Dana 60. The 7.25" rear end was used with the low performance cars (such as 198 Slant Six, 225 Slant Six, and cars equipped with one 2bbl carb up til 1972). The 7.25" is idenified with the oddly shaped cover and it has 9 bolts. The 7.25 either came in ratios of 2.76 or 3.23 open end. The most common type of rear end was the 8.75". It has no rear cover, only a smooth welded hump on the back (kinda cool looking I think!). It was used on all high performance cars (340 engine and up to 440). The ratios ranged from 2.76 to 3.91 (Open end and Sure Grip). There were three different diameter pinion gears. They were 7260 driveshaft used the 1 3/8" diameter, 7290 driveshaft used the 1 3/4" (1967-1968 I believe) diameter or 1 7/8" tapered pinion. The castine number is located 2 inches below the yoke on the left hand side of the carrier. Those using the smaller pinion used casting number 2070741, and the larger ones used 2881489. The 9.75" Dana 60 was rarely used. It was standard on 426 4spd Challengers. It was an option for 440 or the 426 automatic Challengers. The rear cover has 10 bolts and a hexagon shaped cover. The standard ratio was the 3.54 and the 4.10 super track pack gears!

CHASSIS, BRAKES, WHEELS, AND TIRES

All Challengers used a unibody construction and a front subframe. They used a seperate frame to hold the engine. It is commonly called the K-Member or K-Frame because its shaped like a K. Four K-Members were used. One for Hemis, Small Blocks and Big Blocks, Six Cylinders, and The T/A. The big block frame is the same as the small block frame. The Trans Am used a special frame, but has no different appearance than the small block and big block frame. A small welded tag is on the Frame with two numbers on it. These numbers are the last two numbers in Part Number. The six cylinders used PN 2962010, Small Blocks and Big Blocks used PN 3466477, Hemis used PN 3583076, and the T/A used 3583052. Below are some specifications of the Challengers Chassis and other numbers for interior room.
WHEELBASE-- 110.0"
OVERALL LENGTH-- 191.3"
WIDTH-- 76.1"
HEIGHT-- 50.9"
TRACK-- front-- 59.7" rear-- 60.7"
HEADROOM-- front-- 37.4" rear-- 35.6"
LEGROOM-- front-- 42.3" rear-- 30.9"
SHOULDER ROOM-- front-- 58.1" rear-- 56.8"

BRAKES

The standard drum brakes on the Challenger Six Cylinder and V-8 models are the 10" x 2.5" front and rear. Front Disc Brakes were optional. Standard on the R/T's and optional on other V-8 Models were the 11" X 3" front and 11" x 2.5" rear. The disc brakes wer powerful, quick-acting, fade free units. Disc Brakes were available as an extra cost option. The rear brakes would be 10" x 2.5" drum if ordered with front disc brakes. On the R/T Challengers 11" x 2.5" drum brakes on the rear were equipped when disc brakes were ordered.

WHEELS AND TIRES

There were many different wheels available in 1970. Below is a picture and description of each wheel available. Please note that full hubcaps rims were probably painted black while the dog dish hub caps were painted body color.

 

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TIRES CHART

ENGINE

STANDARD

OPTIONAL

BRAND

225/318

E78 X 14

F70 X 14

Goodyear

340

E60 X 15

NONE

Goodyear Polyglas GT

383/440

F70 X 14

E60 X 15

Goodyear Polyglas GT

426 Hemi

E60 X 15

NONE

Goodyear Polyglas GT

340 T/A (front)

E60 X 15

NONE

Goodyear Polyglas GT

340 T/A (rear)

G60 X 15

NONE

Goodyear Polyglas GT

 


OTHER CHALLENGER MODELS


There were other models other than the Base Challenger (225, 318, 383 2bbl etc...) and the R/T. First of all there was the Challenger Deputy. The Challenger Deputy was much like the Challenger hardtop but with a few differences. The Challenger Deputy was low priced because most of the standard options were options on the Deputy. The differences between the Hardtop and Deputy were: 1. Rear quarter window was fixed in place (meaning no window handle on rear quarter door panel!), 2. the standard engine was the 198 6 cylinder with 225, 318, and 383 (2bbl and 4bbl) as options. 3. The seats were Barracuda seats in black or white only! 4. things like dual horns, cigarette lighter, night/day mirror, etc.. wer optional. The Deputy was released in March of 1970.



Another model was the Western Sport Special Challenger (WSS). The WSS was a spring special available only in the western states. All WSS Challengers were made in L.A. assembly plant, so it should have a vin of JH23-0E. With the WSS package you get vinyl roof, plus the special WSS quarter panel decal, woodgrain instrument applique over a standard dash cluster, remote mirror, rimblow steering wheel (with special center cover-- I will get more info on this!!), sill, belt, and cowl molding, front splash pan scoop, F78 X 14 white wall tires, rear astrotone-painted applique, peddels dress up, bumper guards with rubber inserts (front and rear), and rallye wheels. Engine choice was 225, 318, 340, or 383. Fendertag code was A91. One major discussion about the WSS is the WSS T/A. Was their ever one made? No one really knows.



The coolest model of Challenger was the Challenger T/A. It was available between 2-4-70 and 5-5-70. ALL T/A's were built in Hamtamck, Michigan. ALL T/A's will have the vin starting with JH23J0Bxxxxxx (x representing you number). The thing that was so unique about the T/A's were that they came with the E55 340 6 PAK (yes spelling is correct!). There were a total of 2389 T/A's built, this breaks down as 1411 automatics and 989 4 speeds. Canadian production numbers are not know at the time. Prototypes were known to exist and were built on February 3rd and 4th, 1970. First 18 colors were available and then 2 more were added later. The colors are available in the color chart provided above in this page. The two that were added late were FJ6 Green Go and FM3 Panther Pink. Some rare colors were FM3 Panther Pink, TX9 Black, and EB3 Light Blue Metallic. Vinyl tops were available on the T/A's. There were four different ones available. They were: V1X Black, V1W White, V1F Green, and ultra-rare V1G Gator Grain. All T/A's came with a stripe that ran from the front fender to the rear quarter glass window. They only came in black! So TX9 Black T/A's came with black stripes. They all had the 340 Six Pak Decal located under the stripe on the fender. On the fendertag all T/A's will have the A53 option (The Trans Am Package) which included: Front Power disk brakes with special 11" rear drums, 4 speed Pistol Grip Tranny (auto optional), 3.55:1 ratio (3.91:1 optional) with heavy duty 8.75" axle, Sure Grip, 340 Six Pak, Left hand painted remote racing mirror, hood pins, locking gas cap, rear spoiler (duck tail), side exhaust, 7 blade torque drive fan, 26" radiator, Carb Fresh Air Package with Fiberglass hood, right hand quarter panel mounted antenna with a radio option, rallye suspension, front and rear sway bars, manual steering (power and fast ratio optional) 15X7 Steel Rim Dog Dish Hub Caps and brushed trim ring (15X7 Rallyes optional), E60X15 front and G60X15 rear Goodyear Polyglas GT White raised letters, F78X14 B.F. Goodrich collapsible spare tire, Black Stripes. The tire sizes were different because Dodge Wanted a "raked" look along with more curved leaf springs to make clearance with the exhaust! It made it look great!


OPTION PACKAGES

Light Package (A01)
Ahstray Lamp, trunk lamp, glove box lamp, map/courtesy lamp, ignition switch lamp w/time delay, time delay instrument panel floodlight, fender mounted turn signals (N/A with R/T or 340 pkg.), buzzer, headlight-on reminder.

Basic Group (A04)
Am Radio (upgrades could be ordered at different price), power steering, left remote mirror (upgrades could be ordered at a different price), variable speed wipers and electric washers (std. with R/T and Rallye Cluster).

Protection Group (A05)
Vinyl Insert Body side moulding, bumper guards (f&r w/ rubber inserts), door edge protectors.

Trailer Tow Package (A35, N/A with 440+6 or 426 engines)
Max cooling system, HD brakes with auto adjusters, HD suspension, HD turn signal falsher and stop lamp switch, HD wheels, HD performance axle (3.23 ratio)

Aerodynamic Spoiler Package (A45 released mid February 1970)
Front Chin Spoiler (T/A type) dealer installed, rear aerodynamic spoiler.

Moulding Group A (A63, std. of SE)
Belt moulding, front splash pan scoop, cowl moulding, rear astrotone-painted applique

Challenger 340 Performance Package (A66, N/A JH29 & R/T)
340 Engine, E60X15 inch raised white letter tires, performance hood, HD brakes, Hd suspension, Bumble Bee paitn stripe (may be deleted), Scat Pack (Bee) decal, wheel lip moulding is deleted.

Rallye Instrument Cluster (A62, V8's only Std. R/T)
Variable speed wipers w/ electric washers, tach, electric clock, heater control floodlight, 150 MPH speedo, woodgrain cluster applique, oil pressure guage.

Backlight Louver Group (A44 released mid November 1969; N/A with SE or ragtop)
Backlight louvers, black backlight molding, body colored racing mirrors (L&R). Note: Vinyl rood or two-tone roof , if ordered, must be black!

Seat Belt Group (C15)
Instrument panel "fasten seat belt" light with time delay (std. with SE), hihg styled push button buckels (color keyed), loop guides on belt endes, buckle stowage brackets.

Rullande Bilder
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