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#31838 07/23/2004 7:46 PM | Joined: Jul 2004 Posts: 16 Junior Member | | Junior Member Joined: Jul 2004 Posts: 16 | I have the opportunity to get a rearend from a 55-56 3600 Chevy truck, 8 lug with 4.56 gearing (I think) question is can I replace my 1 ton 5.14 rearend with this? as long as the width is adequate. | | |
#31839 07/24/2004 3:08 AM | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | If it were a 1/2 ton you would have to move the spring perches from the top to the bottom of the axle housing then compensate for the '49 mounts being offset. I don't know if this applies to the 3/4 ton Task Force and 1 ton AD. That's the first things I would look at. | | |
#31840 07/25/2004 1:19 AM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | Easier than a total rear end swap is a pumpkin swap. Pull the axles and unhook the driveshaft. Then remove the center section out of the differential (from the front) and swap. You can get new gaskets at your local parts store. Same gaskets up to 1972 for a HO52 10 bolt.
Fred
52 3600
69 C-10
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#31841 07/26/2004 9:16 AM | Joined: Mar 2002 Posts: 990 Member | | Member Joined: Mar 2002 Posts: 990 | even better is to find a 4.10 or 3.9 geared one. They are around. I did that swap on my 5.26 and it was a huge improvement. I can go 60 now without stressing the motor (a newer 292).
And it is an easy swap - unbolt the old cover - let the goo out - unhook front ujoint - undo the axles and pull them out a few inches. Then unbolt the old gear set, and bolt in the new one, replace axles and covers. Instant gearing.
However, be careful of the axle seals. Mine soon went out (but could have been about to go anyway) and had to be replaced, but was not hard - and the seals were $7 a throw at NAPA. (Fits like 47-73 chevy truck....) | | |
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