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  • Axle Questions... what will work and what wont???

    Hello all!!! I am very excited to be getting into this sport and can already see how nice and receptive everyone is on this forum compared to others I have seen in the Jeep world. I have an extensive drag-racing and chasis building backround and am looking at getting into 4-wheeling with a bunch of friends, customers and especially my family.

    I am hoping for tons of advice on building my toy and I am totally patient and dont mind holding off on the project to save up funds to do it once and do it right.

    I recently purchased a 1997 TJ 4 cyl with a 5 speed and dana 30 and 35's. My game plan is to install a 5.3 litre chevy from a pick-up and a 4speed manual from an older chevy truck as well. I want to use the Jeep as a daily driver, trail riding, mudding and maybe even try some rock crawling. I know the 4 spd isnt the best for rock crawling, and thats why I want to limit my rockcrawling for the time being. As far as transfer case, I am up in the air, but I am thinking about cost effectiveness and what I already have needs work so I am considering an Atlas 2 speed. As far as lift and tires, I am considering the Fabtech 6" longarm kit with 35's or 37's.


    Now the heart of my question, how does a built up 30 front match up to a 44, to a 60 and to a 9 inch??? I know yo can only fit certain sized u-joints into the outer knuckles and that is where most limits are along with axle spline. Correct me if I am wrong, but the largest a 30 can fit is a 30 spline, a 35 spline in a 60 and a 31 spline in a 9 inch? What can you do to make a 30 work in this situation, a 44 or am I better off waiting, saving my pennies and doing a currie bolt-in 9 inchers, or a dynatrac bolt in 60 front and rear??

    I hope I am not overloading you guys with all of this but I want to build the drivetrain once and do it right! Thanks for any advice and I really look forward to talking to you guys!!!

    Thanks in advance for all your help,
    Kris

  • #2
    Wow a 5.3 liter nice!! i'm excited for you. Alright well first of all i don't think you will be able to get 37's under the 6 inch lift... If you do i am positive you will rub under minimal flex... As for drive train i'm sure advanced adapters has some sort of transfer case that will work with your set up here is a link to their site... http://www.advanceadapters.com/ As for axles with that size of the axle i guess i don't know exactly how much horsepower and torque that motor puts out stock but if you do put a 5.3 liter engine in there with 37's i'm sure you'll want D60's for the rear and you could probably get away with a D44 up front. But you should probably just go with the D60 to start with. I hope that was coherent welcome to the sport and i'll leave someone else up to explaining how broke you will be...

    What kind of cars did you build for drag racing your a chevy man by the sounds of it so i'm going to guess either nova, camaro or uh its on my tongue its a another C one... Thats awesome though i'm jealous i always wanted to build a 1967 or 69 camaro or a 68 nova.

    I didn't see that you already talked about the atlas so i agree get one of those.
    Last edited by Jeff's_Jeep; 11-08-2007, 09:39 PM.

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    • #3
      Thanks Jeff!! Big help already. The 5.3 makes about 300 horse and 320 ft/lbs. torque.

      Actually I have a backhalfed 1979 Malibu with a 427 Smallblock chevy that runs in the low 9's for now. If you have ever seen the show PInks All Out, I was the runner-up from the Maple Grove event. I have a pretty good idea how broke I am going to be already, but hey, you can't take it with you right!? Thanks again for the help!!

      Kris

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      • #4
        I would say built up D44's would be enough axle, on 35's. If you go 37's I would say some D60's would be the better fit. Either way the upgrades you are planning will take quite a bit of money. So if you have the cash build D60's. I would go with the SOLID D44 we sell, its bolt in for a TJ and is as strong as a D60. http://www.4wd.com/productdetails.aspx?partID=15486

        As for suspension system, I would go with a Full Traction 6" Long Arm over the Fabtech kit.

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        • #5
          Awh i was going to say malibu but i was drawing a blank i love pinks!! Did you watch the episode of the 67 camaro against the i want to say 71 malibu? It was america vs. canada. Yeah i would probably go with either the full traction kit or a Rubicon express kit over the fab tech and long arm is a must. If you go Rubicon express and you really want the 37's you can go on Rubicons site and order 7.5 inch coils. Yeah the host sells some sweet D44 that bolt in if you need D60's which if you go 37's you will in my opinion you can order bolt in D60's with lockers off of i think its solids web site. I wish our host sold Bolt in D60's then i would have to buy be a pair with the user discount. Nice i plan on building a chevy one of these days when i find one i like. If you got any pictures of your Malibu feel free to PM them to me. Or put them up on off topic so everyone can enjoy them.

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          • #6
            Now as far as the dana's, what particular company has been the best or do I just find two junkyard rears and rebuild em and weld on the brackets myself?

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            • #7
              Well its really your choice on the axles, you can buy them pre made or find them and fix them up yourself. I can't weld and don't have a welder so i either have to buy them or make friends with someone who can weld. So for me buying is the thing but if you have the knowledge and the skills to shorten Dana's and weld on brackets then i'd say do that... save some money.

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              • #8
                if money is not an issue for axles go with Dynatrak Pro Rock 60's

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                • #9
                  im jealous.

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                  • #10
                    Originally posted by Sccafire
                    if money is not an issue for axles go with Dynatrak Pro Rock 60's
                    drool... those are what i think they are 4 grand a piece...

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                    • #11
                      Well, I spent some time on the phone today with dynatrac with a great sales rep by the name of Rob Marburger, and he gave me some great advice and helped point me in the right direction. I have also in the past few weeks talked with some guys at Currie as well, and so far I really am much more impressed with Dynatrac's, particularly Rob's, desire to help and answer my questions. I got a quote for the front and rear Dana 60's that will pretty much be bullet proof for what I want to do. He recomended the Pro 60 high pinion assemblies front and rear and worked me up a sweet package and gave me the Pro Rock high clearance housings at no additional cost. I really think this is the way I wanna go, so I will have to strat saving my pennies for sure. Any other input is greatly appreciated from you guys.

                      Busta Bizz, I will definately be calling you for all my needs through 4wd as I am not going to deal with Quadratec!! I am gonna need lift and a whole assload of other stuff!!!

                      Any other input guys.... go ahead and shoot!!!

                      Kris

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                      • #12
                        Yeah if you are planning on running the V8, you definitely want to go with those big bad a$$ beefier axles. I ran the 6" Fabtech kit and I was only able to fit 36" tires. I also suggest going with the Full Traction long arm kit. I have had their 4" kit on my TJ for the last 3 years with no problems or complaints!

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                        • #13
                          I have been hearing a lot of good stuff about Full-Traction Lift kits and they really seem like a great product with a lot of real world ldeas too.

                          I have also been doing some reasearch on a 609 front assembly as well. I have a local shop that builds some nice fab ford 9 inchers with dana 60 outters and a whole lot cheaper that bolt in dana 60's from dyantrac, just another idea to throw into the melting pot.

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                          • #14
                            Wow a ford 9inch with 60 outers...that sounds bad a$$ and super beefy! How much did they quote you on building something like that?

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                            • #15
                              Well, we are gonna do front and rears. The rear will be the cheepest obviously. Using a spidertraxx fab housing, low pinion center section with ARB 35 spline axles and disc brakes and TJ brackets it is going to be around $3300.

                              The front is gonna be some work on my part. I need to find a dana 60 front from either an 1980-86 chevy 1 ton or a 1980-94 dodge 1 ton for some parts. We are gonna start with a spidertraxx fab housing again and cut the knuckles off of the 60 and use the inner c's, outter c's spindles etc and outfit with a new hub kit for 5 on 5 1/2. Low pinion center with ARB and 35 spline axles with the TJ bracket kit bill be around $3700.

                              Check out their website at fullcircle4x4.com

                              This is with me getting all the parts ready and clean for him to install on the new housing. needless to say I am callin all my junkyardin buddies!!

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