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250 to 350 engine
#764525 August 07th 2020 8:27 pm
Joined: Jul 2005
Posts: 1,783
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Joined: Jul 2005
Posts: 1,783
What does it take to convert a 250 engine to a 350....I have a really cool opportunity to get a running driving 77 van but the engine is pretty small for what I want to do (pull a BBQ smoker). I imagine that engine mounts are not the same....is there other things I should be aware of.

Re: 250 to 350 engine
cjhardcore #764536 August 08th 2020 9:11 am
Joined: Nov 2013
Posts: 1,465
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Done this once or twice. Yes on the v8 motor mounts. Chevy V8 will bolt up to chevy auto trans, OD units as well. Hell, even bell housings for manual trans. Lol. You will need exhaust manifolds, exhaust. I am unsure what headers will fit a van, but I've seen them installed. More radiator, aux trans coolers for towing. Should be some v8 build threads on here too.
Welcome! And good wrenching!


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