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| | | | Joined: Dec 2013 Posts: 224 'Bolter | | 'Bolter Joined: Dec 2013 Posts: 224 | I have a ‘47 AD 3100 with a 216. Currently I have a Rochester B (manual choke) that is need of a rebuild as I can’t adjust it to idle slow to time the engine. Previously ran fine. According to Carbking the Rochester is not the most reliable/dependable. I decided to replace it with a Carter but don’t know which one.
I’ve researched the GM Heritage Center and they don’t have info on the ‘47 truck. However, it appears I may have a “ Heinz 57” type engine. Consider the following data:
Engine serial number– – – – – –none
Engine casting number– – – – – 3835849 GM 19
Head casting number– – – – – –GM 17. 3885409. Conv 13
Head number data– – – – – – – -H 3 9 (August 3, 1949?)
Intake casting number– – – – – – 3836150
So it seems I have a 1949 head on a ‘52-53 block. Since my Rochester needs rebuilding, I’d like to replace it with a Carter. But which one? One for a ‘49, ‘52,’53 or does it even matter?
Originally was told this was a ‘49 engine so Carbking said a Carter 684 was correct for that year. He mentioned there was a different linkage set up so I decided to just rebuild the Rochester.
Whew.......so I’m wondering if there is a certain model Carter that would best “fit” my unique 216?
Any help, suggestions,advice would really help. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | 52-53 216 block casting code
1949 216 head
go with the Carter 684, if that was CarbKing's recommendation. | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | I would try rebuilding the Roch. They are basic & easy to work on. A kit is not expensive. Also check for vacuum leaks. That can cause a fast idle.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Dec 2013 Posts: 224 'Bolter | | 'Bolter Joined: Dec 2013 Posts: 224 | Two good suggestions. Will have to research the linkage issue. Will have to do research on the carbs for ‘52-‘53 216s a bit more also. I may rebuild both that I presently have. Decisions, decisions, decisions....
Wrenchbender Ret. That’s one area I’ve looked into already. I found
D nothing. But since you suggested it I will again “re-check” my work. Perhaps I overlooked something. | | | | | Joined: Oct 2017 Posts: 214 'Bolter | | 'Bolter Joined: Oct 2017 Posts: 214 | I would try rebuilding the Roch. They are basic & easy to work on. A kit is not expensive. Also check for vacuum leaks. That can cause a fast idle. Especially around the throttle shaft. I'm currently rebuilding our Rochester B and found one side of the throttle shaft pretty sloppy. It was missing a few accelerator pump pieces as well so I'm excited to see how it runs after we're done.
1953 Canadian GMC 9314 w/ (factory) Chevy 235
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