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#1
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Help to identify my engine!
I'm confused! My C8 is registered as a 1941 Chevrolet
The engine number thats stamped on the side of the engine is PR3870771 The engine casting number is GM 839253 The head casting number is 838773 From what I have researched in this forum, David Hayward (RIP) and Cletrac (RIP) identified this as a 1940 216 engine fom the head casting. http://1954advance-design.com/Stoveb...g-numbers.html This website shows it as a 1940 head but the block casing doesnt quite match. Chevs of the 40s, who I was conversing with about buying the engine parts I need, have said it is a canadian 230 engine! Can anyone identify my engine from the numbers and give me a definitive ID on it? Many thanks A very confused Richard!! |
#2
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From my sources the head comes back as a GM 216cid. Was not able to find any references to the block 839253.
Chris
__________________
3RD Echelon Wksp 1968 M274A5 Mule Baifield USMC 1966 M274A2 Mule BMY USMC 1958 M274 Mule Willys US Army 1970 M38A1 CDN3 70-08715 1 CSR 1981 MANAC 3/4T CDN trailer 1943 Converto Airborne Trailer 1983 M1009 CUCV RT-524, PRC-77s, and trucks and stuff and more stuff and and....... OMVA, MVPA, G503, Steel Soldiers |
#3
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Thanks Chris,
For reference the bore is 3 1/2" and the stroke is 3 3/4" |
#4
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In an effort to help, I went looking for David Hayward's large list of #s. The one I'm thinking of has a red/pink background and has been republished several times in deifferent places (many of them crediting David)... and right now I can't find any of them. Can anyone help me find a link to it?
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#5
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Ford CMP -InfoEx List of CMP engine numbers
For what it is worth, I've looked at my copy of the Ford CMP list. Your engine number is not included but the nearest ones that bracket it are dated ;
PR 3868623 - C60L 12 Dec 1942 PR 3881308 - C60L 22 Jan 1943 The C8's listed are all in the range (ZR) 2802530 to 3766043 Are you sure that your engine isn't ZR as opposed to PR? |
#6
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Hi David,
Yes its definitely PR. A friend of mine thats an ex REME chap, said that if they put rebuilt landrover engines back in a landy they prefixed it PR. Would that practice have been in use in the 40s? The engine overhaul plate shows it had std bores, bearings and big end bearings in October 1945. Last edited by Richard Nixon; 14-03-20 at 02:44. Reason: spelling correction |
#7
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Mystery engine
Are you sure that the bore is 3 1/2? If it’s 3 9/16 you could have a 224 engine from a Canadian GMC truck. I haven’t seen one but it is listed in my 1939/40 Canadian shop manual. It was a Canadian manufactured engine for the GMC and basically seems to be similar to the 216 but with a larger bore and aluminum pistons. It was probably made obsolete by the 235 engine introduced in 1941. If it is a Canadian built engine that may be reason for the odd casting numbers.
Paul |
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