Sealevel only Spark table w/ AFR 165 MBT

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Sealevel only Spark table w/ AFR 165 MBT

Unread postby 89FiveOh » Sat Mar 31, 2018 11:38 am

Hello,
Can someone provide a good starting point regarding the use of Sealevel only spark using AFR 165 58cc heads? Should I subract 27 from the MBT spark reference in the writeup and add this vallue to the stock A9L sealevel spark table? 93 to 87 octane is available. Base timing set at 10 of course.

thanks
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Vehicle Information: 1989 Mustang GT
GUFB A9L
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AFR 165, 58cc
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Re: Sealevel only Spark table w/ AFR 165 MBT

Unread postby decipha » Sat Mar 31, 2018 3:17 pm

the mbt reference chart and a9l2 write up are only for the base tunes, a stock a9l doesnt even use the spark table at wot
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