Why don't you just send me a check and we'll call it a day
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55-60 bellhousing same, 61-64, than 65 and up.
389 59-66, but if the old trans doesn't work out, for a little more money could go with a newer 400 or 455. Or if you really wanted a stump puller how about a 500cid Cadillac
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Or you could put in your 350 f/i engine.
My engine isn't set up for fuel economy, probaly 10mpg at best.
I don't know about lots of problems, just took awile beteween the available time I had to build the mounts.
As far as the vendors , either Pontiac Dude ,Jim Butler, Spotts performance etc. There are alot more but your better off going with at least someone that knows Pontiacs. These are machine shops that specialize in Pontiacs for street/strip or stock engines.