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Old 03-13-2021, 11:54 AM   #11
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: FINALLY got Old Green after 20 years.

Quote:
Originally Posted by sweetk30 View Post
After running my 203/205 doubler now i can say this . . Go a tiny bit further and do a magnum box setup . This gets you a 3 speed over the 2 speed .
I thought it was all about how you set up the shift linkages ???

Three levers: gets you hi-range (direct), 205 low, 203 low, and 205/203 low = four speed t/c - right...? (2wd or 4wd in all of those)

Plus the granny gear that must get you a crawl ratio about 150:1
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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
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