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...