The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Difference between Std. LS9 350 and MD LS8 350 for ‘69?

factorystock · 07-21-2019, 11:49 AM

Heavy duty engines usually have lower compression, smaller valves and a cam designed for lower rpm torque. This engine was probably standard in a C 50 or C 60. More is known on the 366 vs. the 396.

07-21-2019, 11:49 AM	#7
factorystock Registered User Join Date: Feb 2007 Location: west coast Posts: 3,354	Re: Difference between Std. LS9 350 and MD LS8 350 for ‘69? Heavy duty engines usually have lower compression, smaller valves and a cam designed for lower rpm torque. This engine was probably standard in a C 50 or C 60. More is known on the 366 vs. the 396.