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Thread: Dynatrac ProFloat XD60™ Axle

  1. #101
    Word Ninja Sharkey's Avatar
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    Dynatrac ProFloat XD60ô Axle

    Quote Originally Posted by Exodus Jeeps View Post
    I know itís hard for most to imagine, but when spending $25k on an engine swap this is a much more manageable option than dropping another $13k+ on axles. We actually do have a lot of customers that want nothing more than 35ís or 37ís on their JKís after the LS swap, so this is a great option for them.
    ...
    I get it, but that seems bassackwards to me. First, spending $25k on an LS swap to run 35ís seems a bit stupid to me personally, although Iím sure others will disagree. When Iím at the point of spending $25k on a motor swap, the rest of my rig would already be built up (including the axles) to turn heavy rubber. That is, of course, unless I was doing it all at once in which case an extra $13k for the difference in strength would be well worth the price of admission.

    Iím pretty sure I helped part out the Jeep from Eddieís pic of the high speed roll (off of a highway) due to the SF failure and Iíve had a beer or two with the owner a few times. $13k is worth not going through what he went through. Nothing is bombproof and nothing is perfectly safe, but this just doesnít seem like an area to be pinching pennies when high horsepower, high speed (in part from having high end suspensions), or heavy rubber is involved.


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    Last edited by Sharkey; 11-18-2019 at 03:28 AM.
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  2. #102
    Advertiser Exodus Jeeps's Avatar
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    Quote Originally Posted by TrailHunter View Post
    All 1/2 ton trucks run Semi-Float and some are rated to tow in the 12k range... (not that I agree towing that much with a 1/2 ton). And don't know the dynamics of rolling weight forces vs the force of crawling on rocks though... Just an observation. I think it comes down to knowing the limitations of your wallet and wheeling accordingly.
    Agreed. I only use the Raptor as reference because weíve personally worked on them and the rear axle shaft assemblies are nothing like the Jeep axle assemblies. Much more robust. The PF axle shaft and bearings resemble them though, and as mentioned Iíve seen my buddies abuse the Raptor axles without any type of failure. At least not the shafts anyways...


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  3. #103
    Administrator wayoflife's Avatar
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    Quote Originally Posted by desertrunner View Post
    I definitely understand that it's stronger than the traditional SF60 but if you need the strength of a FF axle in the rear doesnt that mean you need it in the front too? Seems like an odd thing to have 1 and not the other. Maybe the v8 swap market is needing more rear and strength but if you have the money for that why not go FF. idk it's cool that they are developing new things but I don't really see where this axle fits for the jeep realm. Maybe I'm just missing it but if I ever ditch my 35 spline D44 rear it's gonna be full float
    In my opinion, yes. If you really feel the need to upgrade your rear axle to something stronger, you really should be upgrading the front as well. In the 12 years of building up and wheeling 4 JK's, I can tell you that a factory rear axle is all that you need to run 37's. In fact, Dynatrac doesn't even bother making a ProRock 44 rear because they believe this as well. It is why they have offered ProRock 44 axle packages that only come with new rear shafts. IF the idea of this axle is to run 40's, you really should be running 5.38 gears and again, while a 60 can handle that, a 44 can NOT. As it is, the ProRock 44 uses a JK gear and it's smaller than a JL 44. On the JL/ JT Experience, Synergy blew out their front 5.38 gears and they were just running 37's. You do not want to cheap out to run 40's and you really don't need something like this to run 37's.

  4. #104
    Advertiser Exodus Jeeps's Avatar
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    Quote Originally Posted by Sharkey View Post
    I get it, but that seems bassackwards to me. First, spending $25k on an LS swap to run 35ís seems a bit stupid to me personally, although Iím sure others will disagree. When Iím at the point of spending $25k on a motor swap, the rest of my rig would already be built up (including the axles) to turn heavy rubber. That is, of course, unless I was doing it all at once in which case an extra $13k for the difference in strength would be well worth the price of admission.

    Iím pretty sure I helped part out the Jeep from Eddieís pic of the high speed roll (off of a highway) due to the SF failure and Iíve had a beer or two with the owner a few times. $13k is worth not going what he went through. Nothing is bombproof and nothing is perfectly safe, but this just doesnít seem like an area to be pinching pennies when high horsepower, high speed (in part from having high end suspensions), or heavy rubber is involved.


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    I donít disagree and if a person can afford it, then absolutely go full float. The reality is though, thereís a lot of difference between $7k and $13k. Last time I checked it was $6k. Thatís not chump change. Truthfully, a Jeep with a V8 and 35ís or 37ís is a whole lot more fun to daily drive than one with 40ís, so I wouldnít be so quick to dismiss it. I actually have a lot more customers interested in that type of setup than I do the 40ís.


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  5. #105
    Administrator wayoflife's Avatar
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    Quote Originally Posted by Sharkey View Post
    I get it, but that seems bassackwards to me. First, spending $25k on an LS swap to run 35’s seems a bit stupid to me personally, although I’m sure others will disagree. When I’m at the point of spending $25k on a motor swap, the rest of my rig would already be built up (including the axles) to turn heavy rubber. That is, of course, unless I was doing it all at once in which case an extra $13k for the difference in strength would be well worth the price of admission.

    I’m pretty sure I helped part out the Jeep from Eddie’s pic of the high speed roll (off of a highway) due to the SF failure and I’ve had a beer or two with the owner a few times. $13k is worth not going what he went through. Nothing is bombproof and nothing is perfectly safe, but this just doesn’t seem like an area to be pinching pennies when high horsepower, high speed (in part from having high end suspensions), or heavy rubber is involved.
    And to that point, I think it's important to note that Ken was only running 38" tires and with a wimpy ass 3.8L. In other words, you don't need to be running big horse power or 40's to break a high quality semi-float 60 shaft.

    Also, the $13k is what it would cost to get both a ProRock 44 front and ProFloat 60 rear axle. If you were to just get the ProFloat 60, you'd be shelling out $6900. By contrast, a full float UD60 only costs $5400. As in, it actually costs LESS and comes with MASSIVE ROTORS AND BRAKES that make the ones on the ProFloat look puny. If you were to get both front and rear UD60's, you'd only be looking at $14k.

  6. #106
    Resident Smartass OverlanderJK's Avatar
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    Quote Originally Posted by wayoflife View Post
    And to that point, I think it's important to note that Ken was only running 38" tires and with a wimpy ass 3.8L. In other words, you don't need to be running big horse power or 40's to break a high quality semi-float 60 shaft.

    Also, the $13k is what it would cost to get both a ProRock 44 front and ProFloat 60 rear axle. If you were to just get the ProFloat 60, you'd be shelling out $6900. By contrast, a full float UD60 only costs $5400. As in, it actually costs LESS and comes with MASSIVE ROTORS AND BRAKES that make the ones on the ProFloat look puny. If you were to get both front and rear UD60's, you'd only be looking at $14k.
    Isnít the PR80 only like $7,000?

    And didnít Dynatrac stop making the trail 60 a couple years ago? Why would they stop make one and wait years to start making another? I just donít see a market for this and feel like Dynatrac is moving farther away from what they actually believe in. Bummer for sure.


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  7. #107
    Addict JKbrick's Avatar
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    Quote Originally Posted by wayoflife View Post
    And to that point, I think it's important to note that Ken was only running 38" tires and with a wimpy ass 3.8L. In other words, you don't need to be running big horse power or 40's to break a high quality semi-float 60 shaft.

    Also, the $13k is what it would cost to get both a ProRock 44 front and ProFloat 60 rear axle. If you were to just get the ProFloat 60, you'd be shelling out $6900. By contrast, a full float UD60 only costs $5400. As in, it actually costs LESS and comes with MASSIVE ROTORS AND BRAKES that make the ones on the ProFloat look puny. If you were to get both front and rear UD60's, you'd only be looking at $14k.
    The only downfall is you have to add wheels to that too. It really is unattainable for a lot of people, myself included, to spend $16 to $18 on upgrades to a toy. Iím not crying about it just admitting Iíll never have UD 60s


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  8. #108
    Administrator wayoflife's Avatar
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    Quote Originally Posted by OverlanderJK View Post
    Isnít the PR80 only like $7,000?

    And didnít Dynatrac stop making the trail 60 a couple years ago? Why would they stop make one and wait years to start making another? I just donít see a market for this and feel like Dynatrac is moving farther away from what they actually believe in. Bummer for sure.
    Fully optioned out like you'd need, it's more like $8700.

    The cool thing about the Trail 60 is that it was essentially Dynatrac's first entry in the Jeep axle world. When he introduced it at EJS way back in the day, everyone laughed and questioned who would ever want or need something so big and stout. Jim was a visionary and proved everyone wrong. That's the guy I met and have respected for years. As time went on, he developed the ProRock 60 and then the ProRock 80 and this in spite of the fact that more and more guys were turning to junkyard axles. When it comes to 44's, nobody can hold a candle to the ProRock44 or at least, in my opinion. Being the best of the best is what Dynatrac was all about. This thing... this feels more like a big step backwards. I just don't get it. I might be more inspired if I actually saw CODE 1 or CODE X hitting the trails and putting them to the test but I know neither are running one and honestly, can anyone recall when was the last time either hit the trails?

  9. #109
    Administrator wayoflife's Avatar
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    Quote Originally Posted by JKbrick View Post
    The only downfall is you have to add wheels to that too. It really is unattainable for a lot of people, myself included, to spend $16 to $18 on upgrades to a toy. Iím not crying about it just admitting Iíll never have UD 60s
    You're right, we are talking about toys here and unless you're planning on running a V8 and or 40's, I see no good reason to spend any money on any kind of axle upgrade especially when money is a concern. This is the point I've been trying to make all along. For 37" tires, your factory rear will be more than enough and Dynatrac themselves have been pushing this for years.

  10. #110
    Old Timer fiend's Avatar
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    Quote Originally Posted by wayoflife View Post
    You're right, we are talking about toys here and unless you're planning on running a V8 and or 40's, I see no good reason to spend any money on any kind of axle upgrade especially when money is a concern. This is the point I've been trying to make all along. For 37" tires, your factory rear will be more than enough and Dynatrac themselves have been pushing this for years.
    What if anything is the weak spot of a stock 44 rear running 37s?


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