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advice on what heads to get

This is a discussion on advice on what heads to get within the Internal Engine forums, part of the LSx Technical Help Section category; If I was to go ls7 heads I would get the edelbrock ls reaper heads. They flow 500+ cfm but ...

  1. #21
    Moderator 98TransAmWs-6's Avatar
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    98 TA WS6/ 01 C5 Corvette

    If I was to go ls7 heads I would get the edelbrock ls reaper heads. They flow 500+ cfm but they do require a minimum of a 4.125 bore. Most of the ls7 heads I found when I was searching for heads don't put flow the frh trickflow ls3 heads or not enough to warrant the price difference to me. That's just me though.
    1998 Trans Am WS6 - Phantom
    421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
    (Coming Soon) BMR DSL, UMI TQ Arm
    421 LQ9 14.8:1 on E85 Build/

  2. #22
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    black
    2002 Corvette

    Copo 327

    Quote Originally Posted by 98TransAmWs-6 View Post
    Pretty sure the copo is a 427 (4.125" bore x 4.0" stroke). Might be wrong but that's what I thought it was.
    There are several copo, one is a destroked ls3 with ls7 6 bolt heads and a 4 litre blower displacing 327cubes. Only Makes 550 horse from factory.

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