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Bobbysgmc · 04-27-2022, 01:30 PM

I'm trying to identify a GM block.On the drivers side rear block it has (top row) 5GM.Second row,39 space 6618.I would post a picture if I can figure out how to do it.

04-27-2022, 01:30 PM	#1
Bobbysgmc Registered User Join Date: Apr 2018 Location: Columbia,Tn Posts: 28	block casting number I'm trying to identify a GM block.On the drivers side rear block it has (top row) 5GM.Second row,39 space 6618.I would post a picture if I can figure out how to do it.