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1976gmc20 · 03-13-2021, 08:43 PM

I thought the 203 low range was a lower ratio than a 205 low range?

Though it's hard to imagine needing anything lower than an SM465 granny and NP205 low range. The first and reverse in my 89 K1500 5 speed is so fast that I use the low range (241?) around close places even not needing 4wd. But my old 2wd 76 with the SM465 would do just fine until I had to climb or more often back up a steep slippery hill. Seems like the 465 granny/reverse is just about as low as low range and 1st/reverse in my 5 speed (3500?).

I had a 91 Suburban with apparently the 208 and never had any problems with the t/c but I also never pulled stumps and semi trucks like I did with my old 205 pickups

03-13-2021, 08:43 PM	#14
1976gmc20 Registered User Join Date: May 2015 Location: Montana Posts: 3,696	Re: FINALLY got Old Green after 20 years. I thought the 203 low range was a lower ratio than a 205 low range? Though it's hard to imagine needing anything lower than an SM465 granny and NP205 low range. The first and reverse in my 89 K1500 5 speed is so fast that I use the low range (241?) around close places even not needing 4wd. But my old 2wd 76 with the SM465 would do just fine until I had to climb or more often back up a steep slippery hill. Seems like the 465 granny/reverse is just about as low as low range and 1st/reverse in my 5 speed (3500?). I had a 91 Suburban with apparently the 208 and never had any problems with the t/c but I also never pulled stumps and semi trucks like I did with my old 205 pickups __________________ 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