The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

**jocko** · 04-17-2020, 12:59 PM

I'd keep the rear and install an NV4500 or a GV o/u drive unit behind the trans. While the od feature of the GV unit is nice, the gear splitting feature of it is also very applicable in a heavy duty application like this.

04-17-2020, 12:59 PM	#7
jocko Senior Member Join Date: Oct 2009 Location: Godley, TX Posts: 17,937	Re: C30 heavy duty rear axle top speed I'd keep the rear and install an NV4500 or a GV o/u drive unit behind the trans. While the od feature of the GV unit is nice, the gear splitting feature of it is also very applicable in a heavy duty application like this.