C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

timing to use on engine?

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Old Apr 11, 2004 | 07:49 PM
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chimp321's Avatar
chimp321
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From: new york N.Y.
Default timing to use on engine?

If your engine and prom chip is no longer stock, how do you know what to set timing at
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Old Apr 11, 2004 | 08:17 PM
  #2  
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CFI-EFI
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From: The Top of Utah
Default Re: timing to use on engine? (chimp321)

Welcome to the forum.

Test it. I would set it at the stock 6* btdc and make a couple of 1/4 mile passes. Then I'd advance it by 2 to 8* and run it again. What you are looking for is the highest mph. Keep advancing it until the numbers quit improving. Then drop it back to the previous best. Mine is set at 14* btdc. Good luck, and...

RACE ON!!!
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Old Apr 11, 2004 | 08:23 PM
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VAHROOM
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From: Chandler AZ
Default Re: timing to use on engine? (CFI-EFI)

Remember to use the same kind of fuel and the same weight load when testing. You will just know when it's right if you use the method mentioned above.
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