Front/rear gears 85 pickup - The 1947 - Present Chevrolet & GMC Truck Message Board Network

85gmcguy · 08-16-2011, 03:31 PM

http://asheville.craigslist.org/pts/2549945387.html

Is this possible? I would've thought 4X4's had lower gears than this (2.73) from the factory. Anybody know right off what they offered?

Thanks!

Dalaigh · 08-16-2011, 04:55 PM

I'm not sure of all the ratios they offered in 85, but a buddy has 2.73 gears in his Jimmy, they're highway gears and pretty much explains his good fuel economy. I beleive they were offered in GM trucks up till 91, when they drop the 2.73's for 3.08's. It also depended on the transmission in the truck, when the 4l60e came in to play the transmissions gearing changed and 2.73's were no longer needed.

LONGHAIR · 08-16-2011, 07:47 PM

Believe it or not, they came even higher than that. There was a 2.56 available for them too....w/ a 700r4 to boot. Complete dud.

b454rat · 08-16-2011, 08:06 PM

My old 84 had 2.73 with the OD and 31" tires. Set land speed records as long as there weren't any hills...

08-16-2011, 03:31 PM	#1
85gmcguy Plays with trucks Join Date: Sep 2003 Location: Asheville, NC Posts: 433	Front/rear gears 85 pickup http://asheville.craigslist.org/pts/2549945387.html Is this possible? I would've thought 4X4's had lower gears than this (2.73) from the factory. Anybody know right off what they offered? Thanks! __________________ Gary My Dad's Old Truck 1985

08-16-2011, 04:55 PM	#2
Dalaigh Canadian Trucker Join Date: Nov 2010 Location: Sarnia, ont canada Posts: 648	Re: Front/rear gears 85 pickup I'm not sure of all the ratios they offered in 85, but a buddy has 2.73 gears in his Jimmy, they're highway gears and pretty much explains his good fuel economy. I beleive they were offered in GM trucks up till 91, when they drop the 2.73's for 3.08's. It also depended on the transmission in the truck, when the 4l60e came in to play the transmissions gearing changed and 2.73's were no longer needed. __________________ 2020 Silverado Trail Boss - 6.2/10spd

08-16-2011, 08:06 PM	#4
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,461	Re: Front/rear gears 85 pickup My old 84 had 2.73 with the OD and 31" tires. Set land speed records as long as there weren't any hills... __________________ 2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS



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