Once upon a time, GMC created a V12 monster of an engine it called the Twin Six. It was massive, powerful, and not eco-friendly in the least.
Once upon a time, GMC created a V12 monster of an engine it called the Twin Six. It was massive, powerful, and not eco-friendly in the least.
A Look Back at the 702ci GMC Twin-Six V12 Engine
There's More To That Ridiculous GMC Twin Six V12 Engine Than Meets The Eye: COTD - The Autopian
The engines that powered the largest number of different cars
Powered by GMC Twin-Six V12
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The GMC Twin Six V12: 702 Cubes, 275 HP At 2400 RPM, 630 Ft. Lbs. At 1600 RPM - Curbside Classic
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Now Here's a Big Block: GM's 637 Cubic-Inch V8 - Mac's Motor City GarageMac's Motor City Garage
The GMC Twin Six V12: 702 Cubes, 275 HP At 2400 RPM, 630 Ft. Lbs. At 1600 RPM - Curbside Classic
GMC V12 Replica Engines
