wKROIL, I put it on every bolt and up the exhaust then let it sit for a week. Not one bolt broke and I removed each with a 1/4" drive ratchet.
I did not do a compression test until I started the tear down. The engine was heavily fogged when I did do it,giving false readings.
This is the old gal the Merc left the showroom with in 63'. A 63' Starcraft Jet Star. Pulled the trailer for sandblasting today......and then she gets a rework.
I learned a lot from your posts. Keep them coming bro!