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Re: 3.73s with 35s 72 K10 Th350 Auto & stock 350?
Quote:
Originally Posted by cadillac_al
My 76 K10 350/th350/30"tires tows 6000 lb trailers with 3.08 gears and I don't need to downshift for hills. I wouldn't worry about the downshifting aspect.
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Must not be very steep hills. My old 350/350 K trucks wouldn't even climb the hills in Colorado in high gear when empty 
And one I bought brand new. The other was in the family since new and I got it at about 12 years old, maybe 65K miles.
Maybe altitude makes a difference ???
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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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