On Sacred Waters
New member
Trying to summarize a long story. Son bought an '81 Trogan with 360's 2 years ago. Previous owner had "new" long blocks installed. We have been chasing fuel supply and ignition electrical issues, now resolved. Both engines had a few cylinders with low compression. Over the winter, we pulled all heads and did valve job. 2.5 hours running time, oil pressure dropped started knocking. Pulled engine and confirmed. all bearings replaced. Looks like this engine is a '73 i think, and it was punched out .060" oversize. Just about all rod bearing had more than normal wear. Last guy sold a bill of goods and the phone # on his receipt is disconnected. 4 hours of running and the oil pressure slowly dropped to 30 psi @ 3000rpm and we started hearing a slight knock. Totally discussed, we got it to the new marina and put it in the slip on one engine.
My question is, Is an automotive block the same a a marine block? I know freeze plugs should be brass. I'm not concerned with manifolds,starters, heads and such, just the blocks. Since we lost a lot of the season already, he may start looking for a block to build in the mean time.
My question is, Is an automotive block the same a a marine block? I know freeze plugs should be brass. I'm not concerned with manifolds,starters, heads and such, just the blocks. Since we lost a lot of the season already, he may start looking for a block to build in the mean time.