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doing heads/cam, do I need injectors and pump?

This is a discussion on doing heads/cam, do I need injectors and pump? within the General Help forums, part of the LSx Technical Help Section category; Installing heads and a cam that is .603/.609 lift, 237-242 dur., 112 lsa. I have an a4 99 z28. I ...

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    doing heads/cam, do I need injectors and pump?

    Installing heads and a cam that is .603/.609 lift, 237-242 dur., 112 lsa. I have an a4 99 z28. I also have a wet nitrous system running fuel off the schrader valve. Do I need bigger injectors, If so how big, and how big of a fuel pump should I upgrade to. Thanks.

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    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    I wouldnt think that going a little bigger on injectors and pump would hurt, I am thinking like you and thinking it may benefit your new application. I personally have no expirience in that area though. I am sure someone will chime in soon. That is a good question though, I will be waiting to see how everyone answers.
    1999 T/A WS6 Black -------SOLD
    05 mustang Roush sport;
    DOB manifold, m122 SC, 47lb injectors, gt500 TB, roush TVS CAI, Detroit rocker SC grind camshafts, Mac LTs, off road x, roush off road mufflers, roush short throw shifter, kenne bell BAP, Brenspeed 93 octane tune. 479rwhp 436ftlbs SAE.

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    Anybody? I see alot of people on this site with mods, someone must know something?

  4. #4
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    not an absolute necessity. i never upgraded them on the wife's car.

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