"dave" wrote in message
news:379785_c336fb55823e9ef8c29f92cb33696008@boati ngforumz.com...
Hello, I have a 1985 Welcraft 19’ with a chev 305 V8, the engine has
a cracked block, Water is getting into the combustion chamber and in
the oil, It’s shot!@!
I was told that this motor had been changed once before and that a
automotive 305 was installed, Is this true?, Can I take an automotive
chev 305 and install it in this boat? Anyone know what years will
fit?, I realize that the cams are different and will deal with that.
Thanks.

dave :?:

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You pretty much want to start with truck short block and move everything
from your old engine to it. Change out the casting plugs and use new marine
gaskets. Any block up to 1986 should work.