Quote:

Those were known for sucking oil in the intake... also
check the under side of the throttle body for carbon
which screws up the idle air motor... clean that with
carb cleaner or brake cleaner... also see if you get
a O2 code... the O2 sensor could be fouled which
will give bad performance and bad mileage





if you have oil in the intake, chances are you need to pull the intake and repair the gasket on the bottom plenum. (the intake is cast with an open bottom, then it's sealed with a sheetmetal cover and a paper gasket and about 10 bolts) when that goes out, the engine sucks oil up from the valley, fouls out plugs, kills fuel mileage, makes the engine ping under WOT, and make you think that the 360 is a dog.

I didn't mention that before, figured the issue was just old worn out plugs


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