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Thread: First dyno run - looking for opinions

  1. #11
    Senior Member
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    Apr 2011
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    My car was the other G8 on the Dyno that day. Below is a overlay of both of our runs for your viewing pleasure.

    AS was stated, my mod list is pretty similar. Not sure if the OP has an Xpipe, but I running the Kooks Xpipe with HFC. Tuning was done by Shane, via HP Tuners.

    Last edited by fixem2; 05-30-2011 at 02:15 PM.
    2008 White G8 GT
    Kooks 1 7/8 Long Tube Headers, Kooks Catted X-Pipe, Kooks Catback Exhaust with single 3" tips, SLP UDP, Volant CAI & AMSOIL filter, BMR stuff
    351hp / 370tq via Dynojet (Before 2012 changes)
    2012 changes - Yank Converter, DSS 1 piece Driveshaft, Forgestar F14 Staggered

    AMSOIL

  2. #12
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    Jun 2009
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    Morton, IL
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    It's crazy how similar our tq curve is until 4750. The reason I think I'm leaving something on the table is after swapping to the 1.85 RRs my butt dyno driving around town got a big boost below that rpm. It's much easier to spin the tires, so it can't all be in my head. So if I felt an increase down low, and we're now the same, how much lower was I before the rocker change?

    Thanks for overlaying the Dyno's Scott. And to answer your question, I have the same Kooks X pipe and HFCs.
    2014 SRT Viper TA
    2009 Liquid Red G8 GT
    Drivetrain: 25% UDP, Solo axle back
    Suspension / Brakes: BMR f/r swaybars, radius rod bushings, trailing arms,
    toe rods, subframe connectors, tunnel brace, crossmember bushings, DBA slotted rotors,
    hawk ceramic pads
    Show: VE SS Black/Red Steering Wheel, VE Black/Red Shifter, Leather Console Lid, 20% Tint

  3. #13
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    I would venture a guess that lean out your 4-4500 and above 5000 will open the car up a bit. Amazes me how much more HP/Tq your are holding past 4700, maybe only 10-12 hp but it through the rest of the rev range.

    Does your different rear gearing make a difference? You have the 3.27 vs my OEM 2.92.
    2008 White G8 GT
    Kooks 1 7/8 Long Tube Headers, Kooks Catted X-Pipe, Kooks Catback Exhaust with single 3" tips, SLP UDP, Volant CAI & AMSOIL filter, BMR stuff
    351hp / 370tq via Dynojet (Before 2012 changes)
    2012 changes - Yank Converter, DSS 1 piece Driveshaft, Forgestar F14 Staggered

    AMSOIL

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