so i came up with the idea that i was going to put an auburn locker in the amc 20 with 4.56 and just keep the dana 30 open in the front with 4.5 as well. but i called a local auto shop that specializes in driveline and they said that a dana 30 with 3.54 is as low as it gets. in order to go lower you have to get an axle that is made for 3.73 and up(in number). so now i guess this thread was wasted cause i am just gonna have to find some junk yard 44s.
That is not at all true. You have to change the Dana 30 carrier for 3.73 and up. That carrier still fits in any Dana 30 housing. Whomever you spoke to does not know what they are talking about. You only need a series 4 dana 30 carrier. I have at least a couple in my garage right now.
T-5s came with 2 different overdrive ratios; the .8X ratio is a good match to 4.56 gears and 35 inch tires, but the .7x ratio is excessively high in overdrive for 4.56 gears and seems to be a better match for 4.88 gears with 35 inch tires on the highway.
...a well prepped, well driven, vehicle should do well in any terrain, including the highway.
Carburetors became obsolete during the last century... do what ever it takes to get fuel injection...It makes bigger grins off road.
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