Chris,
It is taking up space in my yard while we decide whether we are pulling the engine out. It is a crate GM 350, and it could have either a 2 or 4 bolt main according to GM.
It has a medium size 4BBL on it. It runs like a dream, not even a tremor at idle. . it has a 700 R that does not have the O/D hooked up. Send your email addy to me if you want the pics I have....
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Even if we pull the engine out, I may put the 305 back in so it runs....
My email is doc@vanning.com