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Old 02-22-2005, 04:43 PM   #1 (permalink)
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Question CTM vs. Longfield....

from what i've read, they have the same exact heat and cryogenic treatment and bushings, the only diff is the material, one being stock vs the other being alloy.... so in the end what is the strength diff?

i plan on running some yukon shafts in my D44 and need a good joint, the rig weighs in at 4800lbs and i'm running 37" MTRs with a full spool up front and a ratio of 54:1....
will i be ok with the longfields or should i go CTMs and not look back?
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Old 02-22-2005, 05:09 PM   #2 (permalink)
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anybody else confused by someone asking if they should put a longfield in a dana 44?
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Old 02-22-2005, 05:11 PM   #3 (permalink)
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nope, Bobby Long makes D44 U joints. I say it really depends on what you want your weak link to be. Put in the longs, and the weak link will probably be the shaft ears and the U joint. Put in the CTM's, and the shaft ears will go, but the u jonit may very well stay in tact. For the price difference, however, you could have a few pairs of Bobby long joints, as opposed to one pair of CTM's.
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Old 02-22-2005, 05:11 PM   #4 (permalink)
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Quote:
Originally Posted by RCKRATZ
anybody else confused by someone asking if they should put a longfield in a dana 44?
No....because if you pay attention you would know that Longfield makes a SuperJoint...

either is a good product and I think that you will find that your shafts/ears will not like the load of the 37's+high quality joints.

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Old 02-22-2005, 05:17 PM   #5 (permalink)
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ummmmmmm that's why they are called SUPERJOINTS. A longfield is the toyota variety right?

For what its worth I have CTM's and wouldnt pay for anything else. My $.02
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Old 02-22-2005, 05:59 PM   #6 (permalink)
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YES AND BOTH CTM AND LONGFIELD are manufactures of D44 U joints!!!
and like already mentioned i'm refering to the bobby long superjoints....
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Old 02-22-2005, 06:04 PM   #7 (permalink)
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I went with the Longfield D60 u-joints. Basically they are simply a cryo treated Forged Spicer u-joint with the needle bearings replaced by a bronze or brass bushing. He also adds the grease zerks on the caps, like the CTM's.

The Forged D60 u-joints have held up well for me, so I figured the cryo Longfields would be a little extra insurance. The CTM's were only $65 more each, but it seems like I have seen alot of them fail at competitions. I haven't EVER heard of a Longfield D60 u-joint failing, so what the heck! I'm game.
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Old 02-22-2005, 06:12 PM   #8 (permalink)
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Well I have never seen the 60 super joint up close, but as far as material strength there is no contest, the CTM is made from a stronger material. However the CTM joints have a pretty small radius at the base of the posts. It is possible that a joint made from a weaker material could be just as strong or stronger if the geometry of the part is better. As far as real world testing, I'll leave that response to others with more experience.
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Old 02-23-2005, 07:46 AM   #9 (permalink)
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Quote:
Originally Posted by KingOf_Pain
I went with the Longfield D60 u-joints. Basically they are simply a cryo treated Forged Spicer u-joint with the needle bearings replaced by a bronze or brass bushing. He also adds the grease zerks on the caps, like the CTM's.

The Forged D60 u-joints have held up well for me, so I figured the cryo Longfields would be a little extra insurance. The CTM's were only $65 more each, but it seems like I have seen alot of them fail at competitions. I haven't EVER heard of a Longfield D60 u-joint failing, so what the heck! I'm game.

BUT how many of Longs joints are in comp rigs? Thats a pretty flawed way to look at things because there has not been nearly as many of the Longs used yet especially in comp.

Long makes a good product and I am not saying otherwise. I am just pointing out the flaw in your analysis.

When you have 50 rigs running something and see a few breaks, yes you have more failures but you have to look at the percentage of joints made/used verses the failure. Not many longs out there yet. Till you can get 10-20 in the same sort of use you can't make a fair comparison.


The CTM's should be stronger because of the materials used but the Longs give us a very viable alternative, at a cheaper price, that may be all most of us ever need. That said the price jump is not much for Jacks joints and everybody knows he makes a good product. I was very impressed the CTM's I had and no failures. They are now in a buddies rig and he's flogging the snot out of them with no problems.

Both Long and CTM are reputable companies. Never heard a bad thing about either. Lets just keep reality in check and put a little science into the equation and make a fair analysis.
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Old 02-23-2005, 08:44 AM   #10 (permalink)
 
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Quote:
Originally Posted by RCKRATZ
anybody else confused by someone asking if they should put a longfield in a dana 44?
Just to be anal for a minute and get the terminolgy correct..

The man's name is Bobby Long.
His company is Long's Enterprises, and does business as Longfield Super Axles.
The Toyota Birfield replacement / upgrade he created is dubbed the Longfield.
The treated and modified Dana 44 and Dana 60 U joint he sells is a Super Joint.

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Old 02-23-2005, 08:51 AM   #11 (permalink)
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I ran CTM's in my D44 and now run Longfield's in the D60. I really do think that both are a quality product with the CTM being the superior of the two. That said, I believe the ears are the weak link when either joint is used so I decided to save a few bones w/ the D60 and use the Long. So far so good...
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Old 02-23-2005, 10:23 AM   #12 (permalink)
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Originally Posted by Po' riggity
Put in the CTM's, and the shaft ears will go, but the u jonit may very well stay in tact.




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Old 02-23-2005, 11:12 AM   #13 (permalink)
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your really compairing apples to oranges.

Like pointed out above, the super joint is really just a cryo treated spicer joint with bronze bushings. I dont see why you would waste your money on it personally. IF your going to put in anything other then a spicer joint just step up to the plate and get CTMS.

There is a big difference in CTMs vers the superjoints. Alot fail in comps because they are running them REALLY HARD and well somethings got to give. The real question for the comp folks is how many runs are they getting on them before they are breaking?

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Old 02-23-2005, 11:19 AM   #14 (permalink)
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mrblaine, what shafts are those?

my dilemma is that sure enough i could save some $$ and go with the super joints, but in the even one brakes it will probably take one of the yukon shafts with it... now the cost of replacing all that stuff amkes up for the diff in getting the CTMs in the first place....
then again i might never break either.... i guess i might even be tempted to wait for the 300m joints that bobby long is working on(mainly cause they should be more affordable...).... BAH!

one more thing ....who has the best prices on CTMs?
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Old 02-23-2005, 11:25 AM   #15 (permalink)
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Originally Posted by Sharp
mrblaine, what shafts are those?

my dilemma is that sure enough i could save some $$ and go with the super joints, but in the even one brakes it will probably take one of the yukon shafts with it... now the cost of replacing all that stuff amkes up for the diff in getting the CTMs in the first place....
then again i might never break either.... i guess i might even be tempted to wait for the 300m joints that bobby long is working on(mainly cause they should be more affordable...).... BAH!
The stub is a Warn for the 5.5 TJ conversion and the inner is a Superior blank cut and splined for a HP 44.
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Old 02-23-2005, 12:00 PM   #16 (permalink)
 
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Originally Posted by WheelingPiazza
your really compairing apples to oranges.

Like pointed out above, the super joint is really just a cryo treated spicer joint with bronze bushings. I dont see why you would waste your money on it personally. IF your going to put in anything other then a spicer joint just step up to the plate and get CTMS.

There is a big difference in CTMs vers the superjoints. Alot fail in comps because they are running them REALLY HARD and well somethings got to give. The real question for the comp folks is how many runs are they getting on them before they are breaking?

Ste
why? maybe because they cost half as much and are still stronger than a Warn shaft. https://www.pirate4x4.com/forum/showt...hreadid=228273
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