78 GMC K2500 axel ratios - The 1947 - Present Chevrolet & GMC Truck Message Board Network

koolky · 02-10-2009, 02:33 PM

What gears came standard in 78 GMC 400 TH400 NP205?
Thanks

koolky · 02-10-2009, 03:02 PM

This is my buddies truck, told me it was a 205, jsut looked at it and it dosnt look like one, what tranfercase would be in it

Dooley · 02-10-2009, 03:10 PM

All GM light duty trucks in 1978, the 4x4's with automatic transmissions came with the 203 transfer case. You can find gear ratios on the chart.

02-10-2009, 02:33 PM	#1
koolky 67-72 Addicted Join Date: Oct 2007 Location: Guelph Ontario Posts: 256	78 GMC K2500 axel ratios What gears came standard in 78 GMC 400 TH400 NP205? Thanks

02-10-2009, 03:02 PM	#2
koolky 67-72 Addicted Join Date: Oct 2007 Location: Guelph Ontario Posts: 256	Re: 78 GMC K2500 axel ratios This is my buddies truck, told me it was a 205, jsut looked at it and it dosnt look like one, what tranfercase would be in it

02-10-2009, 03:10 PM	#3
Dooley Registered User Join Date: Mar 2005 Location: North Coast Posts: 1,012	Re: 78 GMC K2500 axel ratios All GM light duty trucks in 1978, the 4x4's with automatic transmissions came with the 203 transfer case. You can find gear ratios on the chart. Attached Images

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