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1976gmc20 · 02-20-2021, 12:37 PM

I actually like my six speed even though I am quite disappointed with this early failure. Only 76K miles but the first owner put on 73K of that. So who knows ...?

Pulling a load out on the highway it will drop down to just the right gear on a hill and hold speed without too much revving or hunting back and forth between gears. Going downhill it will hold back almost like a manual just by letting off the gas.

First gear is pretty low which is good for pulling a load, but normal running empty I will start off real easy until it pops into second before getting on the gas too much.

Of course I would always rather have a five or six speed manual

02-20-2021, 12:37 PM	#4
1976gmc20 Registered User Join Date: May 2015 Location: Montana Posts: 3,696	Re: 6l90e no reverse I actually like my six speed even though I am quite disappointed with this early failure. Only 76K miles but the first owner put on 73K of that. So who knows ...? Pulling a load out on the highway it will drop down to just the right gear on a hill and hold speed without too much revving or hunting back and forth between gears. Going downhill it will hold back almost like a manual just by letting off the gas. First gear is pretty low which is good for pulling a load, but normal running empty I will start off real easy until it pops into second before getting on the gas too much. Of course I would always rather have a five or six speed manual __________________ Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner