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Thread: LS1 vs LS4

  1. #1
    Member
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    98 Trans Am

    LS1 vs LS4

    These new front drive LS4 motors are basically putting out the same HP numbers as the LS1 motors with less displacement. How are they doing it? Compression? Cam? Tuning?

  2. #2
    Story of My Life!! BIG D's SS's Avatar
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    Black, Blue
    07 TBSS, 07 GSXR1000

    They are claiming flywheel hp. Most LS1's are putting down what they claim to the ground.

  3. #3
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    Quick Silver
    2002 Z06

    Yeah.. Gotta watch out for that. All the manufactures are going to claim flywheel horsepower not wheel power. That why everyone talks about GM under rating the f-bodys at 300-315. Because when we dyno we get that or more at the wheels stock.

  4. #4
    Senior Member mrr23's Avatar
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    black
    2014 camaro 2ss/rs

    wish i did. and i've been on three different dynojets.
    Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge, some checkered stripes, drilled/slotted rotors, ZL1addons Stealth wickerbill, Ruxifey LED side markers

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