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Mod | | | Forums66 Topics128,029 Posts1,055,416 Members48,422 | | Most Online14,466
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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#26851 09/18/2002 6:02 AM | Joined: Feb 2000 Posts: 5,195 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 5,195 | According to the Chevrolet Inline Six Cylinder Power Manual, The casting 3850817 is a 230/250 block. Both were the same the difference being the crank and pistons. The crank casting number for a 230 is #3850817 and for a 250 #3962084. The heads are also different and the casting for a 230 is #3824437 and 250 #6259693. These are for Cherolet cars only. The truck section only list block castings. The 230 is for 1966-'70 and the 250 is for 1966-'79. Joe | | |
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