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dogdaddydbtg · 01-14-2007, 12:36 PM

The 366 & 396 have the same valve covers, but the 366 is a medium & heavy duty truck engine(C-40 or heavier), not a pickup truck engine.

01-14-2007, 12:36 PM	#24
dogdaddydbtg Registered User Join Date: Jun 2006 Location: Maryland Posts: 30	Re: 68 Burb, 58000 miles, Need Help WIW? The 366 & 396 have the same valve covers, but the 366 is a medium & heavy duty truck engine(C-40 or heavier), not a pickup truck engine.