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  1. #21
    Senior Member Panther 2's Avatar
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    Thumbs up

    That's a smart plan, GM developed the parts ,and the dyno numbers they state are usually on the money.

  2. #22
    LOST BUT NEVER FORGOTTEN GRRRR8's Avatar
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    Well I just kept reading 480/475 and it was only 12 cu in more and with manifolds. I crossed all parts to find out every difference and found the intake valves are hollow(doing them too) and compression was a little bit more(doing that too) Other then that the engines power wise should be close. Now add ARH and all my bolt ons and I cant see not getting over 500 at the flywheel.
    2008 Liquid Red Pontiac G8 Sport/Premium - Adams Polishes - American Racing Headers - ARP - BMR Fabrication - Circle D Specialties - COMP Cams - Crazy Paul - Dynojet - Earl's - Flowmaster - Fuel Air Spark Technology - G2 - GFORCE 1320 - Greg Weld - HP Tuners - JBA - Lingenfelter - Maverick Man Carbon - Metco Motorsports Solutions - Mickey Thompson - M&H - Mike Norris Motorsports - NGK - Pace Performance - Pedders USA - Powerbond - PSI - Russell - SBX Performance - SJM Manufacturing - SPOHN Performance - Tony Mamo - Vararam - Vector Motorsports - Wretched Motorsports - 470 RWHP 427 TQ - Engine Tune By Patrick G

  3. #23
    Formerly HSV-GTS-300 Crazy Paul's Avatar
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  4. #24
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    Guess this means we'll have to wait a little longer to see ITBFAST in action
    2009 Jeep Grand Cherokee SRT8 Fully Loaded, tinted, stock for now


    Gone: 2008 G8 GT. Premium Package. 30%tint
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  5. #25
    LOST BUT NEVER FORGOTTEN GRRRR8's Avatar
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    I wish I had the camera rolling for you Rick when I did a 150ft tire smokin burnout when I got the headers done. No converter either!
    2008 Liquid Red Pontiac G8 Sport/Premium - Adams Polishes - American Racing Headers - ARP - BMR Fabrication - Circle D Specialties - COMP Cams - Crazy Paul - Dynojet - Earl's - Flowmaster - Fuel Air Spark Technology - G2 - GFORCE 1320 - Greg Weld - HP Tuners - JBA - Lingenfelter - Maverick Man Carbon - Metco Motorsports Solutions - Mickey Thompson - M&H - Mike Norris Motorsports - NGK - Pace Performance - Pedders USA - Powerbond - PSI - Russell - SBX Performance - SJM Manufacturing - SPOHN Performance - Tony Mamo - Vararam - Vector Motorsports - Wretched Motorsports - 470 RWHP 427 TQ - Engine Tune By Patrick G

  6. #26
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    Oh sure, tease us why don't ya. BTW, Love all the crazy smilies.
    2009 Jeep Grand Cherokee SRT8 Fully Loaded, tinted, stock for now


    Gone: 2008 G8 GT. Premium Package. 30%tint
    Vararam, HSRK, Vector ECM/TCM Tune, PM-Fl Axle Back

    R.I.P. Charlie

  7. #27
    LOST BUT NEVER FORGOTTEN GRRRR8's Avatar
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    You can thank that lunatic Chris (4gasem) for them. I told him 200 minimum and he lost his mind! lol
    2008 Liquid Red Pontiac G8 Sport/Premium - Adams Polishes - American Racing Headers - ARP - BMR Fabrication - Circle D Specialties - COMP Cams - Crazy Paul - Dynojet - Earl's - Flowmaster - Fuel Air Spark Technology - G2 - GFORCE 1320 - Greg Weld - HP Tuners - JBA - Lingenfelter - Maverick Man Carbon - Metco Motorsports Solutions - Mickey Thompson - M&H - Mike Norris Motorsports - NGK - Pace Performance - Pedders USA - Powerbond - PSI - Russell - SBX Performance - SJM Manufacturing - SPOHN Performance - Tony Mamo - Vararam - Vector Motorsports - Wretched Motorsports - 470 RWHP 427 TQ - Engine Tune By Patrick G

  8. #28
    Member Cliffy's Avatar
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    Hey Charlie, I'm sure you have see this, but if you haven't take a look at this.

    It is an LS2 crate motor (same bore and stroke as an L76) with L92/L76 heads and the hot cam, same as the one in the LS376/480.

    It makes peaks of 467hp and 440tq. It is on page 107 of the 2008 GM performance parts catalog. If you don't have one it can be viewed in a PDF format at http://www.gmperformanceparts.com . if you go into the "dyno" and "build" the LS2 with the L92/L76 heads and hot cam you can then print this sheet that shows the dyno results. Being that they are starting with the crate motor Iassume they are using manifolds.

    http://www.gmperformanceparts.com/_r...3_10214664.pdf

    sorry for the long reply, but I thought it interesting. swap a cam and delet DOD and it should be the same damn thing.

  9. #29
    LOST BUT NEVER FORGOTTEN GRRRR8's Avatar
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    I have all that info and it is what I used to make my final decision. I have never been much on guessing or experimenting on Daily driver projects. Pick a combo that is proven, kick it up a notch(ported intake, T-body and some ARH 1 7/8 long tubes) and you have an awesome street car that is a sleeper if the right muffs are used. I cant wait! Good to see you again Cliffy!
    2008 Liquid Red Pontiac G8 Sport/Premium - Adams Polishes - American Racing Headers - ARP - BMR Fabrication - Circle D Specialties - COMP Cams - Crazy Paul - Dynojet - Earl's - Flowmaster - Fuel Air Spark Technology - G2 - GFORCE 1320 - Greg Weld - HP Tuners - JBA - Lingenfelter - Maverick Man Carbon - Metco Motorsports Solutions - Mickey Thompson - M&H - Mike Norris Motorsports - NGK - Pace Performance - Pedders USA - Powerbond - PSI - Russell - SBX Performance - SJM Manufacturing - SPOHN Performance - Tony Mamo - Vararam - Vector Motorsports - Wretched Motorsports - 470 RWHP 427 TQ - Engine Tune By Patrick G

  10. #30
    Formerly HSV-GTS-300 Crazy Paul's Avatar
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    Since we're talking flywheel horsepower today here's a chart from desktop dyno.
    *Note heads milled for 10.9 comp
    Red line is a baby 220/220 .581/.581 on 112
    Yellow is a 224/230 .581/.590 on 112
    (You'd prolly use a 114 on an auto)




    Predictions aren't far off as an 06 GTO with the 224/230 on 114 but with stock L92 heads (10.4 comp) put down 450rwhp.


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