pinging

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    1989 K1500 5.7 350 TBI running rich and pinging after engine rebuild, LOSING MY MIND

    1989 Chevy K1500 5.7 350 TBI. Had motor professionally rebuilt and have been chasing electrical gremlins ever since. Truck ran fine before rebuild, aside from at end of life due to age. Engine was rebuilt to factory specs but with factory-style roller cam instead of the original flat tappet...
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