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  1. LT1 | LT4 | L99 Engine Tech
    So I recently bought a 95 formula, it needed a tune up. So I put plugs, and new wires. I still had the same issue. I changed the optispark. Well then I had a crank no start it was ignition cont. mod. It’s alive again, but since then it hasn’t been right I’ve tried a lot I put a new fuel filter...
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