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Race Fuels ?

This is a discussion on Race Fuels ? within the General Help forums, part of the LSx Technical Help Section category; Anybody ever used any kind of race fuel (100+ octane) in a stock LS1 and did you notice any differnce ...

  1. #1
    Junior Member Shatterz's Avatar
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    02 Z28 Camaro

    Question Race Fuels ?

    Anybody ever used any kind of race fuel (100+ octane) in a stock LS1 and did you notice any differnce in performance, any drawbacks to using real high octane?

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    Veteran Hi-Po's Avatar
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    No. Absolutly not.

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    Member 98Z-28Camaro's Avatar
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    1998 Z-28 Camaro

    I disagree. I was using 91 Octace. Highest normal fuel octane you can buy here and I ran two tanks of 101 octane. I noticed a increase in power all through the band. An increase in mileage, and the engine even idled smoother and all that good stuff. So I say yes.

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    2002 TransAm collector ed

    I wouldnt go much higher than 98 total octane in a stock tuned LS1. But, If you buy a plug that has one degree colder heat range ( NGK TR55 ) and get MSD tripple spark coil packs, you could fill up with 101 and run a half second faster in the quarter, I've done it. PS, dont forget MSD plug wires while your in there.

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    Member 98Z-28Camaro's Avatar
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    The computer has had some different tuning done. How much did you pay for the msd coil packs? I have to spend my extra cash on traction control items now. But I am always on the look out for easy extra horses. I am a engine person. I love seeing big numbers. But that doesn't matter if you can't put it down. Learned that the hard way.

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