intake backfire
donkeychop0009
11-13-2003, 12:11 AM
87 suburban, new plugs wires cap rotor and set the timing, idles good cruises like crap. need help! :banghead: Runs worse than when i started the tune-up. On thing though the timing was at about 12~14 BTC now at spec. of 4 BTC. Please help!
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