The Comprehensive BDS/FatBob's 2" Lift Thread - Page 40 - JeepForum.com

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post #586 of 631 Old 08-28-2013, 08:40 PM
WiLieR
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A double cardan is a type of cv joint. There several different types of "constant velocity" joints.

http://en.wikipedia.org/wiki/Constant-velocity_joint

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post #587 of 631 Old 08-28-2013, 10:41 PM Thread Starter
billzcat1
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Yes, a Double Cardan joint IS a type of Constant Velocity joint. But in common vernacular, the Rzeppa joint is often just called the CV joint because it is essentially the "textbook" constant velocity joint. Most of the time I call it a Rzeppa joint, but around here if someone says CV, assume they mean Rzeppa.
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post #588 of 631 Old 09-01-2013, 03:08 PM
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Quote:
Originally Posted by billzcat1 View Post
Yes, a Double Cardan joint IS a type of Constant Velocity joint. But in common vernacular, the Rzeppa joint is often just called the CV joint because it is essentially the "textbook" constant velocity joint. Most of the time I call it a Rzeppa joint, but around here if someone says CV, assume they mean Rzeppa.
Yes.

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post #589 of 631 Old 02-22-2014, 06:11 PM
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thinking of purchasing this lift and was wondering if any one can tell me about the "performance 8000" shocks option. Im not expecting any thing amazing just wondering, more so in terms of on road handling.
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post #590 of 631 Old 02-23-2014, 02:24 AM
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Nah, you would be more happy with some Bilsteins, do it right first time.

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post #591 of 631 Old 02-23-2014, 12:25 PM
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Originally Posted by Thomahawk View Post
Nah, you would be more happy with some Bilsteins, do it right first time.
Yeah I've heard enough about bilsteins to know they're great but there not in my budget that's why. I was Asking about the " performance 8000"

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post #592 of 631 Old 02-23-2014, 01:18 PM
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I have some good budget friendly shocks available that don't ride harshly and perform well. PM me if you'd like to chat.

Quote:
Originally Posted by Jrboarder27 View Post
Yeah I've heard enough about bilsteins to know they're great but there not in my budget that's why. I was Asking about the " performance 8000"

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post #593 of 631 Old 04-13-2014, 04:16 PM
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Has anyone installed this lift with a 247 t-case? I'm currently replacing all the control arms on my wife's 2004 wj saving the rear A-arm for last.
I already have new isolators, and am now thinking about putting this lift setup on as well. The front driveshaft is where I'm concerned: rezeppa at the t-case, u-joint at the front axle. I am going to tackle rebuilding the rezeppa soon. My question, how is anyone with this style driveshaft holding up?

I'm pretty stoked to be lifting her wj. Lower control arms alone were toast, add replacing them today firmed some looseness up. It'll be nice to totally revamp everything. I even scored a set of rubicon moabs from a local jk owner.

What size tire can be run on this wheel and lift setup(prefer NOT to use spacers if I can)?

Thanks guys for all the help

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post #594 of 631 Old 04-13-2014, 10:03 PM
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Quote:
Originally Posted by yellowismellow
Has anyone installed this lift with a 247 t-case? I'm currently replacing all the control arms on my wife's 2004 wj saving the rear A-arm for last. I already have new isolators, and am now thinking about putting this lift setup on as well. The front driveshaft is where I'm concerned: rezeppa at the t-case, u-joint at the front axle. I am going to tackle rebuilding the rezeppa soon. My question, how is anyone with this style driveshaft holding up? I'm pretty stoked to be lifting her wj. Lower control arms alone were toast, add replacing them today firmed some looseness up. It'll be nice to totally revamp everything. I even scored a set of rubicon moabs from a local jk owner. What size tire can be run on this wheel and lift setup(prefer NOT to use spacers if I can)? Thanks guys for all the help
My front driveshaft setup is the same except with a 242 transfer case. My rezeppa joint failed after 25k miles with this lift, it had 136k on it by that point so maybe it would have failed by then anyway. I didn't wait for it to completely disintegrate though, there was a vibration on the highway and upon looking further found a broken boot with grease thrown about. If you have the V8 your driveshaft will be shorter since the transfer case is closer to the front with that engine. I'd suggest changing out your transfer case yoke and swapping in a double cardan driveshaft. With the V8 you can just buy those used or rebuilt, for the 4.0 buy a V8 ZJ double cardan from the junkyard. I have purchase my new yoke and just need to pick up a junkyard driveshaft.
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post #595 of 631 Old 04-14-2014, 12:50 PM
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My jeep is a 4.0 with a 247 case. I should've mentioned that. So what is involved in changing to a dc style shaft up front?
I've pulled 231 cases apart many times, but never a 247. How does the front yoke attach?

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post #596 of 631 Old 04-14-2014, 12:59 PM
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The yoke has a nut in the center, zip it off with an impact wrench and then install the new u-joint style yoke. I would install a new seal at this time. I need to order my seal and do the install myself.

The nut is 28mm and torque spec is 90-130 ft lbs according to the shop manual.
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post #597 of 631 Old 04-14-2014, 01:20 PM
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Awesome news! Is the rear the same? That seal leaks so I need to pick that up.

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post #598 of 631 Old 04-14-2014, 01:58 PM
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Google how to fix 247 transfer case, then you Will find a full Go thrue with pics and everything, looked into it before, but never did it, looked doable though.

Good luck!

Edit, found it for ya, http://www.ehow.com/how_2179550_disa...se.html#page=3

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MONEY WILL CONTINUE TO BE THROWN INTO THE RIG UNTIL CONDITION AND SATISFACTION IMPROVES!!!
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post #599 of 631 Old 09-11-2014, 11:35 AM
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Hey everyone. Just thought I'd provide a little tidbit of information I picked up. I am (still) debating what lift I want and I was researching BDS vs. Fat Bob's springs. I sent a question to Fat Bob's about their spring rates and they responded saying that their springs are
Quote:
"...12 lbs heavier than the stock spring rate."
Now, I'm not entirely sure what the stock spring rate is but let's call it 180-190. This puts us somewhere around the 200 lb rate for the Fat Bob's springs, vs. the claimed 240 lb rate by BDS earlier in this thread. So something to keep in mind for those shopping- the Fat Bob's springs do indeed appear to have a lower spring rate than the BDS springs based on what I was able to find out.

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post #600 of 631 Old 10-29-2014, 11:54 AM
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Wj

Are the MOOG Spring Isolators garbage then?
Seems like people here prefer the RAYBETOS for their WJ's...or did I read that incorrectly?

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