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Discussion Starter · #1 ·
Is a Dana 80 a little to over kill for a Jeep wrangler. <IMG SRC="smilies/biggrin.gif" border="0"> I want to run 42" TSL's next but my 8.8 im sure wouldnt like that to much! Is anyone running one? Thanks for any info.
 

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IDIIIOOOT.. just run what you brung till you break it! <IMG SRC="smilies/biggrin.gif" border="0"> SHUDDDDDDUP. <IMG SRC="smilies/biggrin.gif" border="0"> I'll be cruising by the casa tonight, what time you gonna be home?
Scott <IMG SRC="smilies/grinpimp.gif" border="0"><><
 

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Discussion Starter · #3 ·
O great! figures I would here some ignorant comment from this useless tit! Just for that im going to <IMG SRC="smilies/bounce.gif" border="0">"MEAT" <IMG SRC="smilies/bounce.gif" border="0"> your mom for lunch today, that sloppy box! Later duuuumbaaaasss!
 

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What's wrong with overkill? I'm not sure how low the diff is on a D80 but with 42s I don't think it would be a problem. Go for it!

<IMG SRC="smilies/thefinger.gif" border="0">
 

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my friend ian has 60 rear 35 spline with 42's and it gets it hard and never has problems! jiMMy

[ 10-17-2001: Message edited by: Jimmy76FJ40 ]
 

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Discussion Starter · #6 ·
Well my initial plan was to go with a 14 bolt or Dana 60. But I found a guy that has a Dana 80 for $575 bucks! and it has disc brakes. The wheel pattern is the wide 6 lugger so im not sure what it came out of? any ideas? Also how many splines are the shafts on D80's anyways? Thanks!
 

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I wouldn't. Even w/42s, why sacrifice the ground clearance when you don't have to? The pumpin on the 80s is so big I think you could probably drive a 3/4 ton Dodge w/a flat tire and not damage the rim--just drag along on the pumkin. <IMG SRC="smilies/biggrin.gif" border="0"> If you're thrifty, you could get a locked and disked 14 bolt for that much (I did for less).

Sorry, can't help on the spline count or application.

Pete
 

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what are you getting the dana 80 out of, isn't that only used in the newer heavy duty dodges? if it is than the parts availabilty is scarce at best. my brother is a parts manager at a mopar dealership and he had to order a new axle shaft for a dodge truck that broke when they back it off the trailer is was delivered on. they never did figure out why it broke, but they had to take a shaft out of one on the assembly line and the guy who had ordered the truck had to wait almost a month to get his truck.

so i would say stick to what works.

dave
 

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Dude A dana 80 is indeed a little over kill but its not bad but I think that $575 is way to much for a year axle it does have discs but still. I think you should go with a year 60 or a 14 bolt cause its so damn cheap 456. gears come in some 14 bolts so you just got to throw in a $300 dollar detroit..I think the 80 is gonna hang to low even if you ran 44's <IMG SRC="smilies/usa.gif" border="0">
 

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I thought most D80's were set up for Dully's as well
 

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'94+ manual trans 2500 Dodges have a hybrid 70/80, they use an 80 housing. I believe the 3500s (all '94+, all dually) use a true 80.

Pete
 

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All the 80's I've seen had 1.5" 35 spline shafts. They are larger in the pumpkin than a 70 (which is already big enough), especially for 42's

I have wheel hubs from an 80, they are the same as the 60 and 70, including the bearings.

Biggest difference I could see was the larger ring gear and housing.
 

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Dana 80 rear was used in Ford and Dodge trucks. Some have 35 splines and some heavier versions have 37 splines.Either way this is probably overkill for your vehicle particulary if you got one that had the 35 spline axles..You would be sacrificing a bunch of ground clearence.A 60rear with 35 splines axles, 70rear with 35 spline axles or a 14 bolt all would work particulary the latter two.
 

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I have a 80 in the rear of my scout. It does hang down a bit but not in the extreme. I plan on clearancing it this winter. Thier common in F-450's and full size motor homes.
Standard is 1 1/2" 35 spline shafts but there are some with 37 splines. A detroit for a 80 is about $100 more than a 60.
Something to keep in mind is that thing weighs a f'n ton. Don't know exactly how much but far more than a 60 front. Lowest gear ratio available is 5:13. Ring gear is 12" and pinion is massive. Never have to worry about breaking the internals on that one.
My opinion is unless you need that much brute strength, save the money for something a bit smaller. <IMG SRC="smilies/smile.gif" border="0">
 

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Originally posted by Jeepmangled87:
<STRONG>456. gears come in some 14 bolts so you just got to throw in a $300 dollar detroit..I think the 80 is gonna hang to low even if you ran 44's <IMG SRC="smilies/usa.gif" border="0"></STRONG>
hmmmm yes.. he would only need a $300 detroit, if he never wants to use 4wd again <IMG SRC="smilies/rolleyes.gif" border="0"> 5.13's in front and 4.56's in rear don't match up too well.. <IMG SRC="smilies/rolleyes.gif" border="0">
Scott <IMG SRC="smilies/grinpimp.gif" border="0"><><

[ 10-17-2001: Message edited by: 1badjeep ]
 

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One problem is the size of the rotors ie:14" If they are inset enough so that some offset 15" wheels will fit the disks will be out in harms way. If you did get it what are you saving because you will still cut it down right? The stock axles cant be resplined so you will have to buy new ones and since you are going to put in a locker you just buy a 35 spline one for a 60. my .02
 

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I have a D80 in my 2001 HD 2500 Dodge, for what its worth the thig is so big..... <IMG SRC="smilies/rolleyes.gif" border="0"> I just doubt you would be happy. I really dislike my D60 inthe rear of mine b/c it hangs down soo far. That thing would be worse, your call.
 

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6-lug Dana 80... hmmmm...

I think it would have to be from a motorhome or walk-in van of some kind. This would make it a VERY wide rear end - on par with a dually pickup. It would be a true Dana 80 - not a 70/80 hybrid as with the Dodge (80 center section, 70 axles and wheel-ends.) It should have 37 spline axles and 14" rotors requiring large wheels; something assinine like 19.5" or larger.

A few months ago I found a line on a similar rear end from a GM-based A-class motorhome. It was a Dana 70, 4.56's, discs, 10-lug, but WIDE... Price was ~$350US or thereabouts. Here's a pic:
 

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Detroits are available for 80s, but NOT the Dodge Hybrid (at least in a 3.54, maybe they are for a 4.10 and lower?)

Pete
 
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