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Unread 10-28-2012, 08:31 AM   #1
77mud
Registered User
1988 MJ Comanche 
 
Join Date: Oct 2012
Location: Stella, NC
Posts: 6
New Here with a axke gearing question...

Hello everyone Im new on here and had a few questions about axle's and gearing. But first a little info/background/pics

I have a 1988 Jeep Comanche 4.0 Auto trans its lifted and on front i have 34x9.5 TSL's and on the back i have 35x10.5 Bogger's truck is used to Mud bog/race, and its Mainly my Fiance and younger brother and sister who race it as i have a old Ford truck that i race.





as far as Mods to the Jeep it has the newer intake (2000 model) and a cold air intake, (kinda limited on mod's to it since its ran in a Kids class and a street stock class) then the transmission has been tweaked a little so that it will shift back and forth between `1st and 2nd with out completely dying before it down shift's the spider's in the rear end have also been welded.

now my question is this... Im looking at getting rid of the 3.54's that are in it and swap to 4.11's (want it to hold second good not have to down shift and not have to go to 3rd) when i re geared my Dana 44 i know i had to get a series 4 carrier for the 3.92+ gears, do i have to do that for the dana 30/35's? or is the carrier already in there the same ones used for 4.11 gears?

thanks for any help!

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Unread 10-28-2012, 10:39 PM   #2
ftpiercecracker
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1990 MJ Comanche 
 
Join Date: Jul 2011
Location: woodbury, Tennessee
Posts: 348
I'm not calling anybody stupid, but your question goes over the head of probably most of the people on here, including myself . Your best bet is to try over on comanche club.

What i can tell you is that lil dana 35 will almost certainly detonate on your very first pull once the 4.11s are in it, you are pretty lucky it made it this far with the tires you have on it. If you class allows it i would snag a ford explorer 8.8 and toss it under there, cheap, plentiful, and strong enough to do what you want.
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Unread 10-29-2012, 10:46 AM   #3
77mud
Registered User
1988 MJ Comanche 
 
Join Date: Oct 2012
Location: Stella, NC
Posts: 6
the 35 has chromo shafts in it and i haven't had a problem with it so far and we are not being nice to it at all. Thanks for the help i assume the Comanche club is another forum or is it part of this one? any other technical sub forums on here that may know? it should be the same as the Cherokee's and the Wagoner limited's



^ its a video just click on it and it goes to photobucker
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Unread 10-29-2012, 11:19 AM   #4
77mud
Registered User
1988 MJ Comanche 
 
Join Date: Oct 2012
Location: Stella, NC
Posts: 6
Looks like the 35 is 3.54 and Numerically higher gears is one case and 3.31 and numerically lower is a different case... then the Dana 30 is 3.73 and higher...
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Unread 10-29-2012, 08:05 PM   #5
ftpiercecracker
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1990 MJ Comanche 
 
Join Date: Jul 2011
Location: woodbury, Tennessee
Posts: 348
Sorry about that, comancheclub.com is a comanche speciality site, i've been a member for about 7 months or so, really really good knowledgeable guys. Glad that 35 has held up, but if i were you i wouldnt put any more money into it if it does break, but thats just me.

sweet video by the way, ever thought about building a stroker for it?
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Unread 11-19-2012, 11:14 AM   #6
77mud
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1988 MJ Comanche 
 
Join Date: Oct 2012
Location: Stella, NC
Posts: 6
I have, but like i said rules are kinda limited, and being my younger sister drives it to (7 years old) it's not getting a stoker, I have another ford truck im gonna be starting to work on that will be for going faster, this ones just a cheap toy, but i do like to keep them on there toes
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