I know its for a 350 and a 700r4. My truck has a th400 and. A 3.73 rear end. Will it work with my transmission?

Just picked up an ecm from a buddy to try. 1227747 86asdu k 301731237. Prom is asdu. Will it work for the 350?

I need a chip. I don't have a burner or anything. I would get one but it's not worth it for me, im just trying to get my truck to run. I can get one at my local parts store (they send a chip away and...

Thank you Six_Shooter, that is actually the page that came up when I did a google search. But I don't even know what to do with this imformation. I see that one file there that sais ATDX 90 C-1500...

Hey, new here. My basic reason being here is i've been searching for just a stock prom for my 1990 454ss but GM doesnt even have a number. So I've been searching for numbers all over the place,...

Hello, just joined this site in my desperate search for a PROM chip for my 1990 chevy 454ss.
It had an aftermarket hypertech chip that is no good, and I can't seem to cross reference it anywhere.
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