The GMC Twin Six is the monstrous 11.5-liter all-American gasoline-powered V12 that you need to know about.
live.staticflickr.com/65535/47692635052_5bd6db699a
The Engine Appreciation Thread (Awesome, Unique, Odd, Historic, etc..all in here)
Scott Wangler's Instagram, Twitter & Facebook on IDCrawl
Do semi-trucks have V12 engines? - Quora
Is it possible to have a partial forced induction engine? E.g only turbocharging 2 cylinders on an inline 4. - Quora
GMC's Low RPM Gasoline 11.5-litre V12
The cast-iron madness of GM's 11.5-liter V-12 - Hagerty Media
The cast-iron madness of GM's 11.5-liter V-12 - Hagerty Media
GMC's Low RPM Gasoline 11.5-litre V12
V12 Archives - The Autopian
Only One New Car In America Actually Sold For Under $20,000 Last Month - The Autopian
What was the GMC Twin Six?, The Daily Drive
GMC's Remarkable Twin Six Engine: The Story Behind General Motor's Monstrous V12
Scott Wangler's Instagram, Twitter & Facebook on IDCrawl
