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Old April 16th, 2011, 09:56 PM   #1
joshcorey56
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Default 2.5 ton rockwell vs ford dana 60

i am thinking of switching axles from my dana 60s to rockwel toploaders. i was wondering what the difference in hieght to the top of each axle is. i have mine four linked and ive read that if you switch to top loaders you have to lift the truck higher. my axle can go up about 8 inches before i have clerance issues. would i have to do some more fabbing to make the top loaders fit in my truck?
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Old April 17th, 2011, 09:17 AM   #2
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They are all of 8" taller. You have to consider some up travel in there too so you should have like 12 or 13 inches and then when the top loader gets in there you still would have 4 or so left for up travel. Thats why a lot of guys that put them in stretch the front WAY out to avoid the oil pan, radiator, ect.
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Old April 17th, 2011, 10:06 AM   #3
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what kind of rig are u working on? if u need those kind of axles why not just go with medium duty truck axles. they are way stronger, and would probably fit better without going with more lift. look for these Rockwell FDS75 & Spicer N175. i'm willing to bet you cant break them.
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Old April 17th, 2011, 10:47 AM   #4
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the truck is a 79 f 150 with a 750 horse big block ford. i was thinking of just leaving the 1 tons for now untin i can afford coil overs to lift it up some more. i havent ever seen any body do this, bt coul you put the top bars next to the pig on the rockwells to help with clearance instead of on top of it? or would it mess up the four link to much by not having it in the center of the axle? thaNKS
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Old April 17th, 2011, 05:50 PM   #5
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You would lose your link separation, which you need when you start playing with 2 1/2 tons and the tires that go with them.
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Old April 17th, 2011, 07:09 PM   #6
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thats what i was thinking.
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Old April 19th, 2011, 11:32 AM   #7
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the front of my ranger is single triangulated 4link with ~6" up travel. My upper links are on the outside of my frame and go straight to the axle parallel with the frame my lowers are 22.5* or 45* respectively and it flexes well and has no side to side movement. i havent wheeled it yet but it should work flawlessly. I bought my towers and all brackets from sniper fabworks.
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Old April 19th, 2011, 08:54 PM   #8
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im not looking for much flex. thats basicly for rock crawlers. this is just an old mud truck
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Old April 28th, 2011, 11:23 AM   #9
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You will have to lift it some more to fit the Rocks. But, people do it all day long, many times over. Its not a big deal.

Just look into brakes, that will be your biggest draw back. The factory drums are HEAVY and you would want to do away with them in favor of either pinion brakes for a non street truck, or go with wheel brakes if you are going to see street time. If you cant fab them yourself, it will get expensive to do.

Tires/rims are no big deal. Just makes sure you get a 2.5t Rockwell pattern and you are good to go. Again either you can do it yourself, or pay a little more for the pattern. But, so many places do it now, it really isnt more expensive anymore.

Also keep steering in mind. Probably will just want to go to hydraulic at the same time.
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Old April 28th, 2011, 11:29 AM   #10
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You will need lots of lift to get enough clearance between the top of the Rockwell and your oil pan (Don't forget about suspension movement.). Lot's of work but worth it. I loved my Rocks when I converted my rig. The 6.72 ratio is awesome.
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Old April 28th, 2011, 12:24 PM   #11
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I loved my Rocks, hated to see them go. Make them fit.
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Old April 28th, 2011, 01:02 PM   #12
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Call Russ gearheart he is the formost expert on 2.5 ton and 5 ton Rockwell axles. He bulds them with disk breaks or drums he can sell u just stockers or complete custom axles he builds them stronger than any one else. He also does lockers, axle shafts, I believe gears also. And he's got the best prices around. Give him a call he will set u in the right direction (269) 278-6945 don't go with a pinnion break yea it's lighter but there's to much break fade under extreme breaking
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Old April 28th, 2011, 02:00 PM   #13
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Quote:
Originally Posted by MARTIN HASSENGER View Post
Call Russ gearheart he is the formost expert on 2.5 ton and 5 ton Rockwell axles. He bulds them with disk breaks or drums he can sell u just stockers or complete custom axles he builds them stronger than any one else. He also does lockers, axle shafts, I believe gears also. And he's got the best prices around. Give him a call he will set u in the right direction (269) 278-6945 don't go with a pinnion break yea it's lighter but there's to much break fade under extreme breaking
I ran pinion breaks for years with no such issues. Stock K5 braking system with pinions will put you through the windshield.
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Old April 28th, 2011, 03:14 PM   #14
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Congrats I've just seen those rotors turn red in a matter of seconds and with that much heat rotors warp pads glaze, And I just prefer four wheel disk just feels more secure to me. Wouldnt he need more lift in order to clear the rotor any way?
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Old April 29th, 2011, 05:58 AM   #15
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The only time I have seen rotors turn red is on monster trucks and when someone is driving it on the street, which you should not with pinion brakes.

I have seen guys run them really hard here in Michigan and in the bogs in Florida.
At a freestyle mud competiion I did see one set START to glow. But the guy was doing high speed runs, hitting jumps and running 60 inch tractor tires.
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Old April 30th, 2011, 05:58 PM   #16
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ok thanks guys. i can get some 2.5 ton toploaders for 1300 bucks right now. just need to get the money before sombody else does ya know.
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Old May 1st, 2011, 08:33 AM   #17
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ok thanks guys. i can get some 2.5 ton toploaders for 1300 bucks right now. just need to get the money before sombody else does ya know.
If you dont get those, dont worry. Thats about the going rate on them.
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Old May 1st, 2011, 08:52 AM   #18
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Back in the day before I got in to web wheelinig. If I can stuff rocks under a Metro, you can stuff rocks under a Ford.

Note pinion brake. I had zero issues using a pinion brake for bogging and trail riding. I would not recommend a pinion brake for the road because the surface area is too small for the kinetic energy (heat) they will have to absorb to stop a rig at highway speeds.


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Old May 2nd, 2011, 09:16 PM   #19
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If you dont get those, dont worry. Thats about the going rate on them.
http://nmi.craigslist.org/pts/2349213649.html


Looks like the guy has a few
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