Spark Adjusment For Higher Boost ??

FordEvangelist

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I am currently at 15-16lb right now running E85 on my built 3v.

I basically start the spark at 19 and 3000rpm and ease it up to 22 by 6500 (redline). I am putting a larger blower on the car and and expect the boost to be right at 20psi (to start anyway).

Any thoughts on how much spark adjustment I should make? I lock the top two rows of the BKT so it's not really load dependent once I'm at WOT.

Thanks.
 

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