1984 Pontiac Trans Am conversion to 1970-1972 - Exterior - Firebird Nation

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1984 Pontiac Trans Am conversion to 1970-1972


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3 replies to this topic

#1 Tessy22

Tessy22

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  • City:Kalamazoo
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  • Interests:I like cars, guns, football, the works.
  • Year: 1984
  • Make: Pontiac
  • Model: Firebird Trans Am
  • Engine: V8
  • Transmission: Automatic

Posted A week ago

Hey guys! So I just got a 1984 Firebird Trans Am from a family member. My question for you guys is, what all is needed to convert the body style to the 70-73 model years? Tools and money aside. Will the frame still function for the new body style? I also plan on doing many upgrades including the engine and transmission.

#2 Injuneer

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  • Model: Firebird Formula
  • Engine: 381ci LT1 stroker
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Posted A week ago

Your 84 is a “unit body”.  No frame, just integral, welded front and rear subframes.  70-73 are similar, except the front subframe is removable.  


1994 FIREBIRD FORMULA
FRED

 
381ci all-forged stroker (Callies Stealth, Oliver billet rods, BME 2618-T61 nitrous pistons) - 10.8:1 - CNC LT4 heads/intake - Comp Cams solid roller - MoTeC M48 Pro engine management - 8 LS1 coils - 58mm TB - 74#/HR injectors - 300-shot dry nitrous - TH400 - Gear Vendors 0.78:1 O/D - Strange 12-bolt - 4.11 Pro-Street gears - AS&M headers - true duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP / 800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117 MPH straight motor
 
https://www.firebird...9_698_32777.jpg

 


#3 sea dog

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  • Model: transam
  • Engine: 5.7 lt1
  • Transmission: 4l60e

Posted A week ago

To convert a 84 third gen to a 70-73 second gen, will involve a lot of planning hard work, and money.

 

If I may suggest, sell your 84. buy a 79-81 firebird. These years are nowhere near as expensive to buy as a good 70-73. Once you have the 79-81 bird, you can source 70-73 front end parts. The conversion will mostly be bolt on parts. And you'll have a firebird that looks like a 70-73 except for the rear window & the very end of car.



#4 Tessy22

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  • City:Kalamazoo
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  • Year: 1984
  • Make: Pontiac
  • Model: Firebird Trans Am
  • Engine: V8
  • Transmission: Automatic

Posted A week ago

Thank you guys so much for the info I appreciate it!




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