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  • #1

    Difference in intakes

    Does anyone know how to tell by serial number the difference between a ls1 intake and a ls6 intake(or any other way of telling)....the numbers on mine are 12560688 and below that is the firing order.
    burn rubber!
    Tags: ls6 intake
  • #2
    That should be the old LS1 intake with EGR...
    Originally posted by Redd8407
    I WANT NOISE! SPEED! AN ENGINE THAT SHAKES MY INTERNAL ORGANS LIKE THEY GOT PARKINSON'S! I DONT WANT AN ENGINE THAT IS PARTIALLY POWERED BY MY LAPTOP BATTERY!
    Originally posted by Z28ISGR8
    WHY THE F*CK IS THERE A GOAT ON A FERRARI?
    Originally posted by Darren
    I think it is because I take it in and out all the time, the rubber has just stretched out, especially at the bottom where it is really thin. It annoys me more then anything.

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    • #3
      The true check is to look for the flat bottom.

      From LS1tech

      LS1 intake manifold, with EGR (98-00 F-body) = 12561269 (formerly 12560688)
      LS1 intake manifold, no EGR (from 97-00 Corvette) = 88894095 (formerly 12557846, 12556333)
      LS6 intake manifold (01-02 F-body) = 88894339 (formerly 88890524, 88890523, 12561184)
      LS6 intake manifold (from Corvette Z06) = ? (formerly 12573572)
      sigpic

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      • #4
        an ls6 intake doesn't have any EGR provisions right behind the throttle body, and the runners look bigger

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