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Thread: 1988 Pontiac Fiero GT

  1. #1
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    Default 1988 Pontiac Fiero GT

    This is my daily driver. It is currently sitting in the yard awaiting it's brand new 3.4L engine.
    Last edited by 2M6; 07-06-2004 at 08:55 PM.

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    I don't have a lot of pics of the DD but here are a few.




    Here is a crude sketch of my idea for a widebody...






    A quick chop with SSR Competitions...


    And BBS RG-Rs
    Last edited by 2M6; 07-29-2005 at 08:23 PM.

  3. #3
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    So I decided the 3.4 60* V6 was going to be too boring. I decided to do something "different" with my '88 Fiero GT. Something that has never been done before.

    Here is a collection of info I have put together for my Fiero project...



    The Plan:

    To install two Suzuki Hayabusa 1300cc engines in the Fiero. They will be mounted longitudinally in the engine bay and will be connected together with drive chains. There will be a short driveshaft connecting the engines to a '95 E36 M3 3.15:1 LSD differential. Custom halfshafts with M3/Fiero ends will be fabricated.

    The specs:

    2550 lbs
    mid engine/rear drive
    6-speed sequential transmission
    2.6L 8 cylinder
    10,800 RPM
    350 HP
    210 TQ


    For comparison an S2000 ('00-03) is a lightweight, small displacement, high revving, hight HP, low TQ vehicle.

    2800 lbs
    front engine/rear drive
    6-speed manual transmission
    2.0L 4 cylinder
    9000 RPM
    240 HP
    153 TQ





    10,800 RPM redline, 275/40/17 rear tires, 3.15:1 LSD diff


    9000 RPM redline, 225/50/16 rear tires, 4.11:1 LSD diff


    Notice that even though no specs are the same both cars have the same overall 1st gear ratio. Both cars will hit 53 MPH at 9000 RPM in 1st gear. Given the weight and power advantage the Fiero should be very quick.

    The S2K has a peak of 136 WTQ at 6500 RPM while the Fiero will have 136 WTQ below 3000 RPM and a peak of 188 WTQ at 7500 RPM.

    The S2k has a peak of <200 WHP at 8000 RPM while the Fiero will have >200 WHP from 6000 RPM and up with a peak of 300 WHP at 9500 RPM.

    As you can see from the graphs the Fiero will be a rocket from ~40 to 160 MPH. Acceleration times will be based on how fast you can shift.

    A side affect of the lighter weight engine/trans package, aside from the obvious power/weight ratio, is that the car will have a weight distribution very close to 50/50.

    The cost will be ~$7500
    5000 for both engines/transmissions
    500 for M3 diff
    2000 for fabrication and misc parts


    And if 300 WHP gets boring I can always add 8 psi to each engine (no internal mods) for >550 WHP!!!

    Teardown pics.





    Obligatory "standing in the empty engine bay" pic.





    Some test fitting pics.











    Quick chop to get a preview of what the finished product will look like..









    So, what do you think? Am I crazy? Will it ever run?

    Stay tuned...
    Last edited by 2M6; 07-29-2005 at 08:07 PM.

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    Here is a quick idea for the dash. Each piece is sized correctly relative to the 13" OD steering wheel. The speedo and tachs are 3 3/8", the oil pressure is 2 5/8" and the rest are 2 1/16".


    from left to right:
    volt meter
    water temp
    driver side engine tach
    driver side gear position indicator
    pass side gear position indicator
    pass side engine tach
    fuel level
    speedometer
    oil pressure
    oil temp
    Last edited by 2M6; 08-13-2005 at 02:20 PM.

  5. #5
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  6. #6
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    The stripped interior ready for a cage and some Sparcos...


    Here are some pics of the two engines. I hope they get along well together



    Still with room to spare.



  7. #7
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    My friend came over today and helped me make the car look worse. We removed the front and rear windows and the roof panel. The windows will be replaced with plexiglass to save weight and the sunroof top will be replaced with a hard top to save weight and improve looks. My neighbors are stopping by tomorrow to give me a quote on a roll cage.

    Sorry for the blurry pics, I'm still getting used to the new camera...
















    That's just awesome.


  8. #8
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  9. #9
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    A fellow car enthusiast saw my project and asked if I would be interesting in changing my plans around a bit. Here is his idea:

    Put my twin-Busa drivetrain into one of these...




    This car will be significantly lighter than my Fiero (1200 lbs VS 2650 lbs) and will be propelled by the same 350hp. That's a power-to-weight ratio of 3.43lbs/hp. The C6 Z06 is 6.17lbs/hp...

    The car will use '88 Fiero front and rear hubs/uprights and steering rack as well as the body ('85 GT style, will look like this)



    I will post updates as soon as they happen.

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