89 5.0 help
#1
89 5.0 help
i have a 89 5.0 that i have put victor jr heads on everything is wired correctly i have double checked everything, firing order. valves, wiring harness vaccume lines and intake for leaks. car ran perfect before now it will not idle and has a miss on cyl 5 thru 8 but runs good at wide open throtle, plugs 5 thru 8 are black and 1 thru 4 look perfect please help if you can
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