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Mike F · 05-04-2007, 04:43 PM

sarge, Did you pull the entire TBI system off the suburban?

I have the casting numbers for chevy V8s up to 86. At some point after that GM started to cast the displacement litre size (like 5.7) into the same spot as the casting numbers on the rear top of the block in front of the trans.

Hybrid, We also need to ID the replacement TBI you picked up to replace the bad holley TBI.

I can trace some of the numbers for some of the original GM parts. I can only read the info off the chip for the 7747 ecm to see what it is but it realy doesn't matter for that one because I can change it if need be.

05-04-2007, 04:43 PM	#17
Mike F EFI AMC 360 Join Date: Mar 2007 Location: New Lebanon, OH Posts: 32	sarge, Did you pull the entire TBI system off the suburban? I have the casting numbers for chevy V8s up to 86. At some point after that GM started to cast the displacement litre size (like 5.7) into the same spot as the casting numbers on the rear top of the block in front of the trans. Hybrid, We also need to ID the replacement TBI you picked up to replace the bad holley TBI. I can trace some of the numbers for some of the original GM parts. I can only read the info off the chip for the 7747 ecm to see what it is but it realy doesn't matter for that one because I can change it if need be. __________________ 89 YJ EFI AMC 360, T18a, D20, built D44, 14 bolt, 38" Creepy Crawlers.