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You do realize that a 3.9 4bt has more power stock than a 6.2 chevy and 6.9 ford. With the adjustment of the injection pump it can wup any of the 8 cylinder diesel pick up motors stock. I've even seen a 3.9 4bt turned up to 800 hp.

Its actually for a Humvee this category said not to disclose the specific vehicle and a chevy 4500 was the closest thing to it I could think of . But I do plan to gross 20,000 lbs when hauling a fully loaded equipment trailer. The 3.9 can handle it I've used one with an auto for this purpose...

yeah cummins **** auto correct A 3.9 4bt Vehicle let's just say a chevy 4500 4x4 Use everything daily driver on road off road mudding the works Price range the sky is the limit

Doing a cunnings build what's the best tranny to put behind it 5 or six speed.