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Re: 1991 chevy 1500 5.7 tbi erratic idle
14 is low for vacuum, any leaks. valves adjusted correctly. A stock 350 cam shouldnt cause that much of an issue unless its worn out. compression and leakdown test results?
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 O2 GMC RCSB 4.8L V8 AUTO 3.73's
rebuilt/beefed up 4L60E(at 43,000miles)
 Matching Ninja 500r
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