Why smoke coming out of my oil fill cap 1988 sprint ?
Jul 4, 2011 at 9:31 AM
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MHPAUTOS
CAR REPAIR CONTRIBUTOR
31,937 POSTS
You may have excessive blow by that is compression by passing the rings into the sump and venting out the oil filler cap, get a leak down test done or a wet and dry comp test as this will give you a fair indication as to the condition of the rings, start here.