Thread: 390 runs like a pig HELP!
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04-13-2005 02:22 AM #1
390 runs like a pig HELP!
I have a rebuilt 390 That does not run strong/pull any help would be appreciated this is were I'm at bore is .080 Silv-o-lite pistons PN# 1138 Comp.Height 1.66 compression ratio(s) 10.3 crane cam 941 Edelbrock performer manifold holley 650 DP headers Mallory unilite dist. At 750 rpm idle vacuums 14 Compression tested 140 low 150 high my question is that enough compression? also if not what is the best way to raise compression?
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