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06-21-2001, 09:34 AM
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#2 |
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or '331 LX Eric'
Join Date: Jan 1999
Location: Columbus, Ohio
Posts: 2,142
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Sounds like the classic case of pinging. What is your timing set at? You can do one of two things to rectifiy the situation:
1) Reduce your timing back to stock (10* BTDC); or 2) Use a higher grade gasoline (92, 93, 0or 94 octane). Hope this helps, E ------------------ 1991 5.0 LX Coupe - 38,000 miles 13.17 @ 106.14 mph w/ 2.138 60' |
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