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Old 02-24-2011, 05:28 PM   #1
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Questions on driveshaft

What is the best driveshaft to get for a lifted 2dr with 3 1/4" of lift.. Id prefer to not habe an agricultural shaft like tom woods, im afraid that it will be burned up on road trips

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Old 02-24-2011, 08:12 PM   #2
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Depending on what you do, for all the Jeep models, you can go to a wrecking yard and get 1 ton DLs from a wrecked Ford F-350 4x4 and get them cut for your Jeep with the addition of CV joints at the TC end of each. Makes for a incredible ride, regardless of lift and you will NOT spin them up or wreck them.

I did that to VEX, my '83 CJ-7 and never fiddled with DLs again. Been about 13 years now and over 550,000 miles on them--perfect. Keep 'em greased and that's it.

Good luck,

Robert

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Old 02-24-2011, 09:26 PM   #3
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Just remember the Joints are really the issue more then the driveshaft. Not that a beefer driveshaft want help.
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Old 02-24-2011, 09:31 PM   #4
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Not so. I twisted three up into pretzels before modding up to the 1 tons. The tubes on the 1 ton DLs are 3/8th" wall and that did it for end of failure.

Robert
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Old 02-24-2011, 10:15 PM   #5
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Quote:
Originally Posted by Robert_Stephens
Not so. I twisted three up into pretzels before modding up to the 1 tons. The tubes on the 1 ton DLs are 3/8th" wall and that did it for end of failure.

Robert
Yeah but that's not the issue here. When you lift a JK too far (as the original poster has done) you cause tremendous strain on the joints going from the transfer case to the driveshaft. Read this: (http://www.jpmagazine.com/techarticl...fts/index.html)
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Old 02-24-2011, 10:41 PM   #6
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Tom woods agriculture what??

Anywho, I'm still sportin stock DL's too. 3.5 inches rear, 2.5" front. Here's a question, not to hijack, same topic,

07 2 door, 6 speed

Isn't my front drive line OK since it is a high pinion? The angle doesn't look that steep, not like the rear.

Wouldn't it help if I tilted my rear diff up now, while running the stock DL? This would raise pinion up a couple of inches, thus reducing the angle.

Thanks
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Old 02-24-2011, 10:53 PM   #7
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Originally Posted by MTH View Post
Yeah but that's not the issue here. When you lift a JK too far (as the original poster has done) you cause tremendous strain on the joints going from the transfer case to the driveshaft. Read this: (Fatal Angle Tom Woods JK Wrangler Driveshafts - Jp Magazine)
Understood. VEX is 7" of lift with leaf springs. CVJs and big DLs cured the issue, et al.

Robert
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Old 02-25-2011, 08:25 AM   #8
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Quote:
Originally Posted by 07XMan2Door
Tom woods agriculture what??

Anywho, I'm still sportin stock DL's too. 3.5 inches rear, 2.5" front. Here's a question, not to hijack, same topic,

07 2 door, 6 speed

Isn't my front drive line OK since it is a high pinion? The angle doesn't look that steep, not like the rear.

Wouldn't it help if I tilted my rear diff up now, while running the stock DL? This would raise pinion up a couple of inches, thus reducing the angle.

Thanks
Yes it would help.
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Old 02-25-2011, 08:26 AM   #9
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Quote:
Originally Posted by Robert_Stephens
Depending on what you do, for all the Jeep models, you can go to a wrecking yard and get 1 ton DLs from a wrecked Ford F-350 4x4 and get them cut for your Jeep with the addition of CV joints at the TC end of each. Makes for a incredible ride, regardless of lift and you will NOT spin them up or wreck them.

I did that to VEX, my '83 CJ-7 and never fiddled with DLs again. Been about 13 years now and over 550,000 miles on them--perfect. Keep 'em greased and that's it.

Good luck,

Robert
How much did that cost you?
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Old 02-25-2011, 10:02 PM   #10
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Yes it would help.
Thank you, I've read on here that lifting the pinion up in line with the TC is NOT reccomended with the stock DL.

Thanks
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Old 02-26-2011, 10:12 AM   #11
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Quote:
Originally Posted by 07XMan2Door

Thank you, I've read on here that lifting the pinion up in line with the TC is NOT reccomended with the stock DL.

Thanks
It makes absolutely no sense as to why it wouldnt.. Only thing it can do is help in my opinion
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Old 02-26-2011, 10:28 AM   #12
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Run it till u bust it. I'm a tad over 3" on my 2 dr automatic with stock shafts. 9 months later rear is still good, front the boot is damaged. I grease it up every oil change. No noise or vibrations.

Get your pinion in line best u can after the lift. If it drives good, run it. Driveshafts don't grenade without warning. You'll see it throwing grease, or making noise. That's when u start saving up. No sense in buying shafts and the potential nightmare with them if you can get away with it.

Sit back. Relax. Enjoy. That Jeep will tell you if it needs new DS's. Some folks need them at 2"...some 3, others get away with it at 4. Play wait and see. I did and I think I'll get away with stock DS's at a hair over 3" on a 2 door
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Old 02-26-2011, 10:55 AM   #13
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Originally Posted by GroundHawg
Run it till u bust it. I'm a tad over 3" on my 2 dr automatic with stock shafts. 9 months later rear is still good, front the boot is damaged. I grease it up every oil change. No noise or vibrations.

Get your pinion in line best u can after the lift. If it drives good, run it. Driveshafts don't grenade without warning. You'll see it throwing grease, or making noise. That's when u start saving up. No sense in buying shafts and the potential nightmare with them if you can get away with it.

Sit back. Relax. Enjoy. That Jeep will tell you if it needs new DS's. Some folks need them at 2"...some 3, others get away with it at 4. Play wait and see. I did and I think I'll get away with stock DS's at a hair over 3" on a 2 door
Oh i plan on doing that for sure, i just want to have the new driveshaft sitting in the closet waiting for the day its needed
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Old 02-26-2011, 11:12 AM   #14
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In that case, I'm a bit biased towards Woody's. They're popular in my neck of the woods, and they seem good. Like someone said in an earlier post, it's more a joint issue than the actual shaft. But if I bomb mine out, I'll go with a Tom Woods.

I'm not an owner of 1, and that logic is purely based on that DS's popularity where I live. They seem to balance nicely and I haven't seen any issues with one. We romp on Jeeps pretty good around here too. Just give the rep your exact specs and any plans on future mods and you get hooked up, if u decide to go the Woody route.
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Old 02-26-2011, 07:34 PM   #15
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Originally Posted by Schwheelz View Post
It makes absolutely no sense as to why it wouldnt.. Only thing it can do is help in my opinion
That's good enough for me, now I just need rear upper control arms and the spring wedges.

Thanks for the info. Good thread OP.
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Old 02-26-2011, 08:08 PM   #16
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Originally Posted by GroundHawg
In that case, I'm a bit biased towards Woody's. They're popular in my neck of the woods, and they seem good. Like someone said in an earlier post, it's more a joint issue than the actual shaft. But if I bomb mine out, I'll go with a Tom Woods.

I'm not an owner of 1, and that logic is purely based on that DS's popularity where I live. They seem to balance nicely and I haven't seen any issues with one. We romp on Jeeps pretty good around here too. Just give the rep your exact specs and any plans on future mods and you get hooked up, if u decide to go the Woody route.
Woodys is not popular in my area considering that its a agricultural driveshaft and the last thing its used for should be automobile use, for example.. Driving on the highway
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Old 02-26-2011, 08:10 PM   #17
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I hear all these people talking about tom woods then i talk to people that make their livings off of driveshafts and they give me this extremely long dpeech about how there designed for low speed high angle.. Not high speed high angle
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Old 02-26-2011, 08:20 PM   #18
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Originally Posted by Schwheelz View Post
I hear all these people talking about tom woods then i talk to people that make their livings off of driveshafts and they give me this extremely long dpeech about how there designed for low speed high angle.. Not high speed high angle
I was going to go the TW route. What do you recommend? I like the F=350 idea, but is there a better route in your opinion?
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Old 02-27-2011, 01:42 PM   #19
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Originally Posted by 07XMan2Door

I was going to go the TW route. What do you recommend? I like the F=350 idea, but is there a better route in your opinion?
Im thinking ill probably try the coast driveshafts. Take u-joints on both sides then carry spares with me, im just not sure what to do ive been talking with quite a few driveshaft specialists

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