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04-11-2004, 04:18 PM
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#1 |
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Before and After
Join Date: Feb 2000
Location: Leduc, Alberta CANADA
Posts: 632
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3/4 ton rear axle
What were the common axle ratios that came in a 72 C20? It is a big unit that the gears come out of the front.
Was there something like 4.11:1? in that rear end? or was that ratio only in 10 and 12 bolt rear ends?
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Not Grandpa's C-20 anymore... 383 Stroker 425HP, 485Ft/Lbs Lowered 3.5" Front / 5" Rear 66,000 miles. Alberta, CANADA |
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04-11-2004, 04:21 PM
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#2 |
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Senior Member
Join Date: Apr 2000
Location: Orlando, FL
Posts: 1,076
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4.10 and 4.56 were available from GM. There is a 3.90 available aftermarket.
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............................................................ 68 Chevy CST SWB w/LS1, carb & 700r4. Golden Anniversary clone with a few improvements. |
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04-11-2004, 10:48 PM
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#3 |
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Registered User
Join Date: Mar 2004
Location: CA
Posts: 2,057
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sooo, what your saying is theres no other gers available for a 69 3/4 ton than 3.90, 4.10 and 4.56?
i have a d44/d60 in my 69 and dont know which they are. i know, its not that hard to fing out but im lazy! |
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04-12-2004, 01:36 AM
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#4 |
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Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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the 4.10 and 4.56 were all that was available for the dana 60 rearend in 4x4s, BB 3/4 tons had 3.42 gears.
the eaton ho52, which he is talking about, had 4.11, 4.57, and 5.14 from the factory. however, 3.90 was aftermarket...and was/is the only one made. dana 60's have a lot of aftermarket gears available. i have the same setup as you...d44/d60...originally 4.10s, but the p/o swapped them out for 3.73, which helps wth gas mileage. i am not sure of all the others, but I know Ford had a 3.54 available in 4x4 d60's.
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1969 GMC K2500  1996 Honda Accord 2007 Kawasaki KLR 650 |
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