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replacing 241 heads for 317 heads.

This is a discussion on replacing 241 heads for 317 heads. within the General Help forums, part of the LSx Technical Help Section category; i bought my car with a p1s procharger on it and i have a set of 241 heads on my ...

  1. #1
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    2001 camaro ss

    replacing 241 heads for 317 heads.

    i bought my car with a p1s procharger on it and i have a set of 241 heads on my car already. I want to bolt on this set of 317 heads i have. will this help my car? I read that there exact same as 243 heads just with bigger combustion chambers./ will i gain power or will this compresstion thing loose power?

  2. #2
    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
    2001 Camaro SS

    It will lower your compression but i would have the car retuned after the swap

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    ok,thanks for the reply.... Im curious about the loss or gain i will receive from this swap.. im going to get a tune on the car but i want to know is this actually worth doing?

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    USMC Y2K_CAMARO's Avatar
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    2000 Camaro Z28

    The heads will lower your compression, which is better under boost. Not to mention they should flow better than the 241 heads. You should see a decent HP gain, no 100hp or anything crazy but it will be better than 241's. Those are the heads I'm going to use when I get my turbo set up.
    2000 Camaro Z28 6 speed/cammed/hardtop
    Till the mother fuckin wheels fall off...

  5. #5
    The Generals Finest Deviant LS1's Avatar
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    Navy Blue Metallic
    2000 Trans Am

    They're going to flow better than 241s and bump your compression down a bit. If I had a FI car I would definitely do the swap. This means with the same pulley you'll be running less boost (restriction). You should be able to swap pulleys and turn up the boost along with a retune.

  6. #6
    USMC Y2K_CAMARO's Avatar
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    So basically what we're saying is do the swap, it will be beneficial for you.

  7. #7
    Moderator 35th-ANV-SS's Avatar
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    02 35th LE Camaro SS

    Agree with everyone else. How much boost are you currently running?

  8. #8
    Old Member, New Username BrownsMillsAntz's Avatar
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    1995 Z28 w/ LS1 Swap

    I would definately do the swap...even better have them ported first

    Heads/Cam/Intake/Stall.
    404 Rwhp uncorrected @ 6400

  9. #9
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    My gauge reads 5ish when I'm on it. I'm not actually sure what pullie is on there though. I'm gonna figure out what cam to run with my set up an change both. It only had 418hp at the wheels a few weeks ago so I'm sure it's gonna jump. I believe it has more now but until it's retuned,I won't know.


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