The GMC V6 was a family of 60 degree V6 engines that the GMC division of General Motors built from 1959 through 1974 for pickup trucks, Suburbans, heavier trucks and motor coaches. Made in gasoline and diesel versions, it came in 305, 351, 401 and 478 cubic inch sizes that shared many parts, with 379 and 432 cubic inch versions added late in production. Its six-throw crankshaft and 60 degree angle made it smooth without a balance shaft, and GMC advertised its spark plugs set on the inboard side of the heads for easy access. The family also gave rise to a 637 cubic inch V8, the largest gasoline V8 ever built for highway trucks, and to a 702 cubic inch Twin Six V12. GMC dropped the V6 in 1974, and its gasoline trucks then used Chevrolet sixes and V8s.
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Fuel or Cycle Fuel or Cycle Configuration Cylinder Count Connections
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Source GMC V6 engine (Wikipedia)
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Source GMC V6 engine (Wikipedia)
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Source GMC V6 engine (Wikipedia)Lead, GMC divisionQuote, Lead, GMC division
The GMC V6 is a family of 60-degree V6 engines produced by the GMC division of General Motors from 1959 through 1974.
Sources
1. GMC V6 engine (Wikipedia)
Lead, 60-degree V6
The GMC V6 is a family of 60-degree V6 engines produced by the GMC division of General Motors from 1959 through 1974.
Lead, V6
The GMC V6 is a family of 60-degree V6 engines produced by the GMC division of General Motors from 1959 through 1974.
Lead, gasoline
It was developed into both gasoline and diesel versions, and produced in V8 and V12 derivatives.
Lead, diesel
It was developed into both gasoline and diesel versions, and produced in V8 and V12 derivatives.
Lead, GMC division
The GMC V6 is a family of 60-degree V6 engines produced by the GMC division of General Motors from 1959 through 1974.
Of Make: GMC, Lead, division
The GMC V6 is a family of 60-degree V6 engines produced by the GMC division of General Motors from 1959 through 1974.
Exemplifies: Road Transport, Lead, automobile engine
The GMC V6 is a family of 60-degree V6 engines produced by the GMC division of General Motors from 1959 through 1974.
Part Of: Chevrolet Suburban, Lead, applications
Examples of this engine family were found in pickup trucks, Suburbans, heavier trucks, and motor coaches.
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