Timing Question

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03-20-2012, 10:44 AM

insomniac

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Car: 1991 Firebird Convertible

Engine: 5.7 L98

Transmission: 700R4

Axle/Gears: 3.45 9 Bolt Posi

Timing Question

The spec on my 91 L98 is 6 BTDC at 400 RPM, now because of the cam the car wont idle at 400, i need to raise the idle to about 800 but where do i set timing at 800 to?

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03-20-2012, 09:01 PM

utilityguy2

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Re: Timing Question

400 is not correct. should be 6 degrees btdc with the timing wire disconnected at whatever idle is set to, usually around 750 rpm.

See link here: https://www.thirdgen.org/settingtiming