Seafoam'd my 118k truck and barely any smoke
#25
I used about 3/4 of a can and my 28k mile truck only lightly hazed for about 10 seconds after sitting for an hour. The catalytic converters did rattle apart about 25 miles after the treatment....and luckily were replaced under warranty
Seafoam always worked well on my 5.0 but the truck doesn't seem to like it
Seafoam always worked well on my 5.0 but the truck doesn't seem to like it
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BennyB
GM Parts Classifieds
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08-01-2015 08:48 AM