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Help with heads!!

This is a discussion on Help with heads!! within the Forced Induction forums, part of the LSx Technical Help Section category; Hey everyone. I'm in the process of looking for heads to buy this week! My motor is at the shop ...

  1. #1
    Junior Member Allday1017's Avatar
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    1998 Z28

    Help with heads!!

    Hey everyone. I'm in the process of looking for heads to buy this week! My motor is at the shop now. I'm having a 383 stroker kit installed. The entire kit is forged with 8.7cr pistons. The shop ordered a custom cam from Bullet Racing Cams. Here are the specs.(something that will make good power yet be steetable)
    ---------------------intake ---- exaust
    ------duration at.050-------230 ---- 226
    ------lobe lift---------.3533 ---- .3533
    ------seperation 115.------op-cl --- op-cl
    ------timing events .050 -----4 46 --- 52 -6
    ------duration at .006-------284 ------- 280
    ------gross valve lift-----.601 ----- .601
    ------valve lash(hot)-----.000 ---- .000
    ------degree intake lobe to------- 111


    Im going to be running a single front mount turbo. Im thinking about a a 75 trim or larger. It'd be nice if i could make close to 1000hp on a stock block.I plan on running up to 20 lbs of boost or whatever it takes to hit high numbers on the dyno. Any help would be great such as preferred brands or specs I should look into. Thanks!!

  2. #2
    Member GORILLAVETTE's Avatar
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    Magnetic Red II
    2004 Vette

    Quote Originally Posted by Allday1017 View Post
    Hey everyone. I'm in the process of looking for heads to buy this week! My motor is at the shop now. I'm having a 383 stroker kit installed. The entire kit is forged with 8.7cr pistons. The shop ordered a custom cam from Bullet Racing Cams. Here are the specs.(something that will make good power yet be steetable)
    ---------------------intake ---- exaust
    ------duration at.050-------230 ---- 226
    ------lobe lift---------.3533 ---- .3533
    ------seperation 115.------op-cl --- op-cl
    ------timing events .050 -----4 46 --- 52 -6
    ------duration at .006-------284 ------- 280
    ------gross valve lift-----.601 ----- .601
    ------valve lash(hot)-----.000 ---- .000
    ------degree intake lobe to------- 111


    Im going to be running a single front mount turbo. Im thinking about a a 75 trim or larger. It'd be nice if i could make close to 1000hp on a stock block.I plan on running up to 20 lbs of boost or whatever it takes to hit high numbers on the dyno. Any help would be great such as preferred brands or specs I should look into. Thanks!!
    Narrow your selection to only six bolt heads. You will need that with higher boost. Good Luck!

  3. #3
    Junior Member Allday1017's Avatar
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    1998 Z28

    Thanks man! Im thinking about going with something from AFR I heard a few good things about them. Any other specs I should look into like cc's?

  4. #4
    Junior Member wickedcrow_ss's Avatar
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    2002 chevy camaro

    just make sure you drop compression, I just got some 317 heads and had them ported and polished, they have like 72cc combustion chambers, good luck!

  5. #5
    Member cailey37's Avatar
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    1998 Pontiac Trans Am

    Well, pick you up some Patriot Performance Stage III heads. They have 64cc chambers and they are plenty for what you want.....also, unless you have a LSX or Warhawk block you're wasting money purchasing a set of heads with six bolts on them....what are you going to bolt them to on a LS1 or LS2 block???? AFR's are good heads but with what you're wanting, save the money and go with Patriots....

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