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fuel type for 6.2

tboat
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Jjblur2003 Enthusiast

Jjblur2003

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36 hp and 68 lb ft of torque diference on my 2014 6.2 between 87 and 93 on dyno. Pulled timing like crazy with no external load. Iat was 94 degrees. The 6.2 is not much better on 87 than a 5.3 on 93. After cam and headers it did 435 whp on 93 and 391 on 87. Its got a whipple now. Done a lot of pulls testing the fuel. It also has e85 now

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OnTheReel
OnTheReel

Performance is the only reason people buy the 6.2. Whether it be for towing, or for stoplight acceleration, the engine exists solely because it makes more power. Sure, “fast” is a relative term, but 0

kodiakdenali
kodiakdenali

Quite second hand information, but I thought I would share I know many members on this forum are also Corvette owners. Over on Corvetteforum I read many posts by a member who also happened to be

tboat
tboat

Well.......that simple question certainly got out of hand.  After reviewing all of the responses, I have decided to use the 93 octane.  Thanks for all the input.

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