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What to do? Need flow #'s for heads?

This is a discussion on What to do? Need flow #'s for heads? within the Internal Engine forums, part of the LSx Technical Help Section category; Bought this car a week ago. Need to order a pcm4less since I can't find a local dynotuner for the ...

  1. #1
    Driving as fast as I can dafaic's Avatar
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    What to do? Need flow #'s for heads?

    Bought this car a week ago. Need to order a pcm4less since I can't find a local dynotuner for the lt1. The guy can't find the flow #'s. Lloyd Elliot did the heads years ago according to the guy it was when he first started doing em. Thanks for any info. I know it's not lsx but i figured this was semi universal question.
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    lt4 hot cam, l.e. heads, gold 1.6rr, hooker lts, 3"ypipe, hookercatback, no cats, subframes, b&m ripper, k&n cai, msd6a-coil-opti, udp, tr55 g's, ta girdle, 4.10's, boxed control arms, Madz28 tune, specstg3, alum. elbow. No traction

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    Senior Member mrr23's Avatar
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    if you can't find the flow numbers, then the guy at pcmforless will need to take a shot in the dark.

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    Driving as fast as I can dafaic's Avatar
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    well just responded to Jeff Creech and he told me to get the car dyno'd and send him the sheets and he can tune it pretty close with that! I think thats what I am gonna do...

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    Senior Member mrr23's Avatar
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    there you go.

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    Nitrous Tuner LS2Tuner's Avatar
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    Your basically pissing in the wind if you try to guess your flow #'s.Castings change here and there so almost every head is different unless it's a aftermarket deal that is cnc'd.Plus if it was in someones beginning of there career God only knows.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

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    Driving as fast as I can dafaic's Avatar
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    oh and lloyd e-mailed me back and said "the heads probably flow about
    250-255 on the intake and about 170 on the exhaust. They probably have
    about a 185 cc intake port" and the heads have the stock valves.

    So cam is going to do a tune and then i'll do a dyno and then send the pcm and dyno sheet back to him for final tweaks! Both Lloyd and Jeff are great and really helpful.
    Last edited by dafaic; 11-10-2006 at 10:48 AM.

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