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  1. Buick V6 Turbo Tech
    ‘87 GN- mostly stock, just fuel pump, hot wire, 42 injectors, chip, 2.5 exhaust. Original turbo, 85k miles. always a little smoke-now a lot! Plugs look clean (didn’t pull them all) doesn’t appear to have blow by out valve covers, cleaned/checked PVC, intake side of turbo clean, exhaust side and...
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