I just read an article on this subject, it did'nt mention anything about the computer (if i find it again, i'll post it)...
It did say start at 10 degrees and work up at 2 degree increments until you hear pinging then back off 1-2 degrees....
I can't imagine a 5-10 HP benefit would be noticeable, but added to the other frebees may be noticeable....
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Black, 84 GT, ground effects, shorty headers, dual exh., rear spoiler from a 87, just getting started...
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