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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Feb 2009 Posts: 35 Apprentice | | Apprentice Joined: Feb 2009 Posts: 35 | it is a very good engine has more power then a 261-235. has better oiling. the nonintreagle heads are easier to work with. but the ones with the onepice headintake has possablies.
i have milled the intake off of one and made up header flanges and intake adapter to make a true 12 port head.
when rebuilding the 250 you can use 307 pistons buy 3 sets and get the fourth motor free. | | |
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