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Thread: 90 Pontiac Firebird (Fuel and Exhaust Questions?)

  1. #1

    90 Pontiac Firebird (Fuel and Exhaust Questions?)

    Need Help.

    I'm going to help a friend install a 475hp 383 in his 1990 pontiac firebird.
    I have two questions, because I'm a Ford guy.

    1) What are you guys doing for exhaust.....the car is so low and the why the ehaust is ran is a joke. Remember this is not a race car, but would like to know if long tube headers will work with true dual exhaust.
    2) How about fuel....do they a make a pick-up assembly to replace the factory one, so I could install an external electric pump? or do I need to have a sump installed? or do they make an internal electric pump that would work?

    Thanks in advance for you help.

  2. #2
    Junior Member SHOW GUEST
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    Hooker Super Comp #2210.
    Kevin A Thornton
    KAT Automotive
    For Speed Equipment, Nitrous Express
    katman@everestkc.net

    For AMSOIL products
    http://www.lubedealer.com/kat

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    http://www.168336.amazonherb.net

  3. #3
    Senior Member RACING JUNKIE
    Join Date
    May 2006
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    I have a friend of mine that has about the same year firebird and it has a pretty stout running 383 roller motor in it with a motor plate set up and midplate, believe me everything on the car was a mjor pain getting the motor in there granted his is a dragcar and clearance wasnt as big an issue as what yours will be but still its was a major pain.
    As far the fule tank he had to cut out part of the tank and have a sump welded in and it works nicely, sure makes for a sano install, there's not much room in the back for a fuel cell unless you wanted to gut it which he didnt and I'm sure your not either, another problem was the weak stock rearend which crumbled almost immeidatly, but now he has the curry bolt in 9 inch unit which is almost bullet proof but it wasn't no easy install either. Goodluck, Charles
    ***IN GOD WE TRUST***

  4. #4
    KATAUTOMOTIVE,

    Will those headers have enough ground clearance for a streat car?

    Thanks

  5. #5
    Senior Member RACING JUNKIE
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    long tube headers and 3" exhaust

  6. #6
    Junior Member SHOW GUEST
    Join Date
    Jul 2007
    Location
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    9
    If the car isn't lowered and you don't do any hill jumping.

    Quote Originally Posted by rslscobra
    KATAUTOMOTIVE,

    Will those headers have enough ground clearance for a streat car?

    Thanks
    Kevin A Thornton
    KAT Automotive
    For Speed Equipment, Nitrous Express
    katman@everestkc.net

    For AMSOIL products
    http://www.lubedealer.com/kat

    For Herbs from the Amazon
    http://www.168336.amazonherb.net


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