The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - what kind of 454 engine do I have in my sub79?

Warrens69GMC · 10-30-2022, 10:27 AM

You should always check the casting codes on the block then go from there. My 1979 2wd Suburban looked to have a original 454, but running the block codes and the suffix codes says its a 1970 402.

10-30-2022, 10:27 AM	#2
Warrens69GMC Registered User Join Date: Jan 2003 Location: Safford,AZ Posts: 3,613	Re: what kind of 454 engine do I have in my sub79? You should always check the casting codes on the block then go from there. My 1979 2wd Suburban looked to have a original 454, but running the block codes and the suffix codes says its a 1970 402.