The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - C-20 questions???

rideblue00 · 04-21-2013, 06:50 AM

I will look up the vin on both trucks. Im wondering since the sm420 has such a low 1st gear, that is why the HD driveshaft.

04-21-2013, 06:50 AM	#5
rideblue00 Registered User Join Date: Feb 2010 Location: Lambertville, MI Posts: 1,875	Re: C-20 questions??? I will look up the vin on both trucks. Im wondering since the sm420 has such a low 1st gear, that is why the HD driveshaft.