I'm running them at .040 in a 4.7L. 5 spd. and I have no problem, maybe
it's because of the coil over plug design on the 4.7... as far performance I
did not notice any difference but I got no ping if I happen to get some bad
gas. I run 87 octane and it runs like a bat out of hell.
SEMIHEMI01 (Bill C.) 2001 QC, 4.7L, 5spd. 3.55 LSD, K-N Cool-Air, SilBlades,
10w-30 MOBIL 1, 180 T'STAT
<A HREF="http://hometown.aol.com/semihemi01/">"THE DAK"</A>
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