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Re: 62 C10, 283, rear differential
Hambone #1310213 Fri May 10 2019 12:54 AM
Joined: May 2007
Posts: 1,467
Hambone Offline OP
Shop Shark
Ok. Will do.


HB

1966 Chevrolet K-10
Flappy Fenders
In the Stovebolt Gallery [stovebolt.com]
More pictures on Photobucket [s160.photobucket.com]

1962 Chevrolet C10
1962 Suburban
Re: 62 C10, 283, rear differential
Hambone #1310666 Tue May 14 2019 05:53 AM
Joined: Apr 2010
Posts: 448
6
Shop Shark
The beauty of these old style carriers is that you don't have to pull the entire rear end out to work on it. You can pull just the 3rd member and do/have the work done to it. Also, you have the 3.38:1 gears set. Great to make it freeway friendly. But, with another 3rd member, you could set up a 3.90:1 gears set and it's an easy swap to go between the two.

Same axle housing, just swap the 3rd member. Consumables are the 2 gaskets and some 90 weight.

Re: 62 C10, 283, rear differential
Hambone #1310670 Tue May 14 2019 08:59 AM
Joined: May 2007
Posts: 1,467
Hambone Offline OP
Shop Shark
I am becoming more comfortable with the inner workings of the diff. so maybe something i can play with in the future.
What would the 3.90:1 do for the truck? I like the highway friendly 3.38 currently. I did not have any awareness when I bought the truck 13 yrs ago, but after driving it through those years I am happy with how it manages.
And maybe naive to ask, but why is the contraption referred to as the 3rd member?


HB

1966 Chevrolet K-10
Flappy Fenders
In the Stovebolt Gallery [stovebolt.com]
More pictures on Photobucket [s160.photobucket.com]

1962 Chevrolet C10
1962 Suburban
Re: 62 C10, 283, rear differential
Hambone #1310676 Tue May 14 2019 11:23 AM
Joined: Jun 2011
Posts: 3,627
E
Shop Shark
HB,

The 3.90 gears might be useful if you do a lot of mountain driving with a load, otherwise, stay with the 3.30 gears.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
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