ok these areas are not to be overlooked when you are tuning your blown monster
1)Make sure you have your plugs at least one heat range cooler and have them gapped at .30-.35
2)What is your fuel pressure at idle?Get a fuel pressure gauge.You need to know this because going lean can lead to detonation.
3)Timing-- what is your timing set at?
Get me some more info
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Paxton Blown 87GT
ICQ#91504337