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Click on image for the lowdown. 
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| | | Forums66 Topics128,013 Posts1,055,312 Members48,419 | | 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!
| | | | Joined: May 2013 Posts: 1 Moderated | | Moderated Joined: May 2013 Posts: 1 | Have a inline 6 engine casting # 3850817 C GM 21. The number stamped on block near the distributor is F0604B is this a 230 or 250 ? | | |
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