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Jonboy · 01-20-2008, 04:38 AM

On something that new, I believe the displacement is cast on the driver's side rear of the block, like the casting number. It should say "5.7L" behind the driver's side head.

01-20-2008, 04:38 AM	#6
Jonboy Slots go on anything! Join Date: May 2003 Location: Richardson, TX Posts: 5,957	Re: 88 GMC Jimmy Engine ID?????????????? On something that new, I believe the displacement is cast on the driver's side rear of the block, like the casting number. It should say "5.7L" behind the driver's side head.