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4.10 : 1 gears

r.j.c.omanche
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r.j.c.omanche Comanche Fan

r.j.c.omanche

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what would be the best way to replace my 3.55s gears with 4.10s? should i try to find donor axles or should i man up and install new gear sets in my axles? randy's ring and pinion gets about $600 for gears and install kits for both ends. i have never done gears, yet, but i want to install a set. i have friends locally that have done multiple sets that i can question if i run into problems, and i can't imagine it would be more difficult than setting up high performance harley engines. :chillin:

bigd44889 Comanche Addict

bigd44889

Posted
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i just talked to the local shop about this he quoted me $800 parts and labor to do a set of d30 d35 axles

change the to 4:10's

no sure were u are located but shop is in oberlin ohio

CWLONGSHOT MJ Maniac

CWLONGSHOT

Posted
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Easiest route will probably to find 4.10 axles off a 4cyl Cherokee and have someone weld SUA perches onto the rear axle.

 

IMHO this is your best, fastest and cheapest option.

 

CW

BLHTAZ MJ Maniac

BLHTAZ

Posted
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Doing gear changes is something that should be left to and experienced tech. It requires very precise knowledge and some very expensive tools. Either pay up nad have it done or find some axles to swap as suggested :cheers:

Pete M down with the MJ sickness

Pete M

Posted
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And please don't waste that kind of money on a Dana 35. Go find an XJ/MJ Dana 44 or an Explorer 8.8 (which were available with 4.10s) and invest your money into somthing that will last. :D

r.j.c.omanche Comanche Fan

r.j.c.omanche

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thanx for the info. tho i am not too concered about the technicality of a ring and pinion swap, my background as a certified motorcycle tech and having friends at local shops that do gear swaps regularly has easied my concerns in that dept.

 

on a side note, has any one every used a set of early bronco axles? i have a 4.10 E.B. dana 30, and i might be getting a E.B. 9" from my brother for cheap or free. the 9" is 3.55 geared, but that can be changed. i think the E.B. axles are 58" wide, if i remember correctly the E.B.s are one of a very few vehicles that had the same track width front and rear. Any body know how wide MJ axles are?

 

 

 

or, what are the odds i could use the 4.10s and carrier from the E.B. in my dana 30? :dunno:

but i suppose i would have to take the 9" axle shats to the machine shop to have the flanges re-drilled for a 5 x 4.5 bolt pattern. then brake drums would have to be matched as well :hmm: .

 

 

:wall:

 

 

maybe i am over complicating this :nuts:

r.j.c.omanche Comanche Fan

r.j.c.omanche

Posted
  • Author
Posted

thanx for the info. tho i am not too concered about the technicality of a ring and pinion swap, my background as a certified motorcycle tech and having friends at local shops that do gear swaps regularly has easied my concerns in that dept.

 

on a side note, has any one every used a set of early bronco axles? i have a 4.10 E.B. dana 30, and i might be getting a E.B. 9" from my brother for cheap or free. the 9" is 3.55 geared, but that can be changed. i think the E.B. axles are 58" wide, if i remember correctly the E.B.s are one of a very few vehicles that had the same track width front and rear. Any body know how wide MJ axles are?

 

 

 

or, what are the odds i could use the 4.10s and carrier from the E.B. in my dana 30? :dunno:

but i suppose i would have to take the 9" axle shats to the machine shop to have the flanges re-drilled for a 5 x 4.5 bolt pattern. then brake drums would have to be matched as well :hmm: .

 

 

:wall:

 

 

maybe i am over complicating this :nuts:

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