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purdeydoubles · 02-06-2013, 10:11 PM

What gear ratio would have been standard on a truck like this, and what would have been the optional gear ratios. Also, what would the disignation be for this truck is it a c20 k20 etc. I am not familiar with how these are named.

02-06-2013, 10:11 PM	#30
purdeydoubles Registered User Join Date: Jan 2013 Location: Littleton, CO Posts: 28	Re: 1968 GMC 3/4 Ton 4x4 lwb step side? What gear ratio would have been standard on a truck like this, and what would have been the optional gear ratios. Also, what would the disignation be for this truck is it a c20 k20 etc. I am not familiar with how these are named.