GMC V6
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Intro
History
Versions
Non-Magnum
Describe non magnum engines
- 305
- 351C
- 401
Magnum
Describe what a Magnum is.
- 351M
- 379
- 401M
- 432
- Rare, 478 Crank, 401 Pistons, same flywheel as the 478M (confirmed by part number)
- 478M