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  1. #1
    Junior Member JROBINSON1016's Avatar
    Join Date
    Jul 2006
    Location
    NORTH CAROLINA
    Age
    54
    Posts
    86

    RED
    1998 TRANS AM

    procomp cnc heads top end kit

    has anyone actually installed one of thses?
    they advertise with with their cnc'd heads,intake & roller rockers a stock ls1 bottom end will put out 500hp

    heads have a very original cnc port,deep grooves, some areas touched some not
    intake runners do not match head runners, & weighs like 30 lbs,a very nice heat sink at that
    rocker arms have to weigh about a pound each

    i'm not thinking even with a 150hp shot of nitrous this set up would come close to 500hp

    would love to see some dyno numbers on this just for kicks!

  2. #2
    Senior Member 98TransAmWs-6's Avatar
    Join Date
    Apr 2010
    Location
    Alabama
    Posts
    3,625

    Black/ Silver
    98 TA WS6/ 01 C5 Corvette

    Its probably crank hp they are talking about, which isn't all that hard to attain 500 with. I don't know about procomp but I know TFS sells a 515hp head and cam set, which I believe is crank hp and not rwph as well.
    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/

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