Newbie thinking about diving into a '65 GMC 1000 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Praxiss454 · 07-04-2016, 11:56 PM

Put in a new fuel pump today, now I just need to get the replacement carb in there and she should be ready to run.

Still trying to figure out exactly what engine I have in this thing (e.g. what vehicle is it out of). Found the engine stamp but having trouble making sense of it.

Engine stamp F0904Z01238 - but not sure about the 2
F - Flint, 0904 - Sept 4
What about the rest of Z01238? The only thing I can find is that ZO is from a 307 but this is definitely not a 307.

Casting Number 3850817 would indicate year 62-78 230-250

07-04-2016, 11:56 PM	#11
Praxiss454 Registered User Join Date: Jun 2016 Location: Novato, CA Posts: 519	Re: Newbie thinking about diving into a '65 GMC 1000 Put in a new fuel pump today, now I just need to get the replacement carb in there and she should be ready to run. Still trying to figure out exactly what engine I have in this thing (e.g. what vehicle is it out of). Found the engine stamp but having trouble making sense of it. Engine stamp F0904Z01238 - but not sure about the 2 F - Flint, 0904 - Sept 4 What about the rest of Z01238? The only thing I can find is that ZO is from a 307 but this is definitely not a 307. Casting Number 3850817 would indicate year 62-78 230-250



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