Buickgsman
Seaman
- Joined
- Oct 2, 2015
- Messages
- 56
Hi all, I am trying to get this engine back together with the hope of at least one outing this year just to try out the boat. I'm working on a 1998 Four Winns RS with a 1988 vintage 5.7 Mercruiser / Chevy 5.7. The block that came in the boat had a spun bearing and was very hard to turn over. Upon disassembly I found water residue in the cylinders and the spun bearing. The engine had already been bored +.030 and looked like it had been rebuilt recently ( very clean inside) so I found a similar year block that was in nice shape and just had it honed and cleaned and the crank polished. So I put it all together using the heads off of the first engine and the water pump is sticking out about 1/8" farther than the crank pulley. I used the stock GM timing chain setup that was in the block that I had honed, it was in nice shape. There was no other spacer or oil sling present with either engine. Any ideas on what would cause this misalignment?