Found myself having to do a head gasket job on a 13 year old B&S Intek 500cc lawn mower engine. I have done these before and always the hard part is removing the bolts in the exhaust system. They are almost always rusted and frozen stuck. This time I decided to try the 50/50 mix of acetone and Dextron ATF. I applied it to the fasteners and let it sit over night. That stuff worked! The rust was softened and the bolts came out like they had just been assembled. It beat the heck out of Kroil and PB Blaster.
Rusty bolts
- Thread starter oldcodger
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