The GMC 'Twin Six' Is An Insane 11.5-Liter Four-Head V12 Meant To

The GMC Twin Six is the monstrous 11.5-liter all-American gasoline-powered V12 that you need to know about.

Comments - Review: 2024 GMC Terrain SLT AWD

The GMC Twin Six V12: 702 Cubes, 275 HP At 2400 RPM, 630 Ft. Lbs. At 1600 RPM - Curbside Classic

Is it possible to have a partial forced induction engine? E.g only turbocharging 2 cylinders on an inline 4. - Quora

The Legend of GM's MASSIVE 11.5L V12 Engine

Scott Wangler's Instagram, Twitter & Facebook on IDCrawl

The Legend of GM's MASSIVE 11.5L V12 Engine

Scott Wangler's Instagram, Twitter & Facebook on IDCrawl

GMC's Low RPM Gasoline 11.5-litre V12

LS3-Powered 1964 GMC Series 1000 Pickup for sale on BaT Auctions - sold for $81,343 on October 15, 2021 (Lot #57,379)

The Engine Appreciation Thread (Awesome, Unique, Odd, Historic, etc..all in here)

The GMC Twin Six V12: 702 Cubes, 275 HP At 2400 RPM, 630 Ft. Lbs. At 1600 RPM - Curbside Classic