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mark houghton mark houghton is offline
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Join Date: Jul 2008
Location: Central Washington State
Posts: 3,733
Quote:
Originally Posted by wjfk32 View Post
I 2nd that- NGK R5671A-7.. Gap-.040 with my MSD-6AL & MSD COIL. Best plug I used so far. IMOP.
+1. I went with those and gapped at .40 last plug change and am happy with it.
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Mark H. 1987 930, GP White, Wevo shifter, Borla exhaust, stock everything else. The result of a massive Pelicanite good will fire recovery effort. Truely an open book, ready for the slippery slopes to modification.
Old 07-29-2009, 04:45 AM
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