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Mod | | | Forums66 Topics128,117 Posts1,056,298 Members48,439 | | 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!
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#15538 02/14/2003 7:53 PM | Joined: Feb 2003 Posts: 452 Shop Shark | | Shop Shark Joined: Feb 2003 Posts: 452 | Hi Everyone I'm new to the forum, so forgive transgressions. I have (I believe) a 1949 GMC 3/4t in original condition (basically, rust, bondo, etc), so I guess it has a 228, but I can't find block casting numbers to confirm. All I can see are: "GM", and "48" in a circle by the distributer. I also have a 60 chev 1/2t I was going to use for some engine parts. The casting number shows it as a 1962-78 230-250, according to Inliners. It has a Clifford 2bbl intake, headers, and HEI distributer. Will any of these parts swap to the 228 with just a little wrench-bending?
Thanks
Current fleet (subject to change w/o notice) \'49 GMC 3/4-Ton , 60 Austin Healey Frog-eye Sprite (some assembly required), 2011 Dodge Avenger, 2015 Jeep Cherokee. No, they don't all run. My other ride is a (B737)no, (B767)no, A320.... Update... was Embraer E190, now Boeing B787. Knowledge is a wonderful thing, but ignorance means you don't know you can't do something.
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#15539 02/14/2003 9:40 PM | Joined: Feb 2003 Posts: 452 Shop Shark | | Shop Shark Joined: Feb 2003 Posts: 452 | Not a reply, but an update. I found the casting numbers, but since it's a Canadian truck, the number isn't on the usual lists. The engine SN does not match the truck ID plate, so I know a swap has been done somewhere. Block casting is 3830327, SNC359288 (came with X289759). As for the 60, the casting is 3850817 (62-78 230-250), SN 125162453E. I still can't figure what size it is. Was told 235, but the dist is on the front, not in the middle. Hope this helps with IDing these engines.
Aint it grand getting the trucks with their second (or third) engine?
Current fleet (subject to change w/o notice) \'49 GMC 3/4-Ton , 60 Austin Healey Frog-eye Sprite (some assembly required), 2011 Dodge Avenger, 2015 Jeep Cherokee. No, they don't all run. My other ride is a (B737)no, (B767)no, A320.... Update... was Embraer E190, now Boeing B787. Knowledge is a wonderful thing, but ignorance means you don't know you can't do something.
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#15540 02/15/2003 1:39 PM | Joined: Jan 2001 Posts: 662 Shop Shark | | Shop Shark Joined: Jan 2001 Posts: 662 | For the 230-250 check the stamped number on the distributor pad then visit http://no25.homestead.com/page3.html It's the last 2-3 digits that'll ID it. | | |
#15541 02/15/2003 2:13 PM | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | If your truck is a Canadian GMC, I suggest that you look up OldCarKook's website that is on the links here , OLdGMCTrucks,and look up Canadian serial numbers. I verified my Canadian 51 1 Ton GMC that way. GMC Canada used Chev engines in those days. There were no obvious external differences in the Canadian 216 and the 235s. The only difference that I know is that the carb throat had a slightly smaller inside diameter. As for age, the pre 1954 engines had a small oval shaped plate on the manifold side, about mid block and about halfway down. This is where the oil distributor valve was and the post 1953 engines were full pressure and did not have these. | | |
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