That's a beast - the new GM 6.6L gas is the biggest gas engine available for the current 2500HD, 3500HD, etc. production trucks. Where did this monster 10.3L gas come from? I'd never heard of it until now.
That's a beast - the new GM 6.6L gas is the biggest gas engine available for the current 2500HD, 3500HD, etc. production trucks. Where did this monster 10.3L gas come from? I'd never heard of it until now.
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