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Topic Review (Newest First)
Today 01:56 AM
RKCWLER
Quote:
Originally Posted by iwaxmyjimmy View Post
Gotten the shaft rebalanced?
I think I'll make another appointment with Powertrain Industries in Garden Grove and let them have the Jeep for the whole day. Maybe they can figure it out.
Today 01:01 AM
iwaxmyjimmy
Quote:
Originally Posted by RKCWLER View Post
Vibes start at 50-55 mph and continue pass 80 mph. The vibes increase with more speed. Absolutely no vibes with rear ds removed up tp 75 mph.
Gotten the shaft rebalanced?
Today 12:53 AM
RKCWLER
Quote:
Originally Posted by Ditchdoc View Post
I'm not familiar with tom woods or what he says. I'm pretty sure he is a smart guy. All I can say if the connection has even number of power transfer it can't be a constant velocity. It's mathematically impossible. It has to be 3,5, or 6 I know 6 is even but is / x2 to 3.
Need more info to decipher this. What has to be 3,5, or 6?
Today 12:50 AM
RKCWLER
Quote:
Originally Posted by iwaxmyjimmy View Post
And I've seen then just wear irregular and then get a vibration. I would exhaust all possibilities first then give it some death wobble, too soon? Jk lol. Any certain speed is more noticeable?
Vibes start at 50-55 mph and continue pass 80 mph. The vibes increase with more speed. Absolutely no vibes with rear ds removed up tp 75 mph.
Today 12:45 AM
iwaxmyjimmy
Quote:
Originally Posted by Ditchdoc View Post
Well good night folks I have exceeding my synapsids for the day.
Night mr physics
Today 12:44 AM
iwaxmyjimmy
Quote:
Originally Posted by RKCWLER View Post
???????????????????????
Any speeds it's more noticed?
Today 12:42 AM
Ditchdoc Well good night folks I have exceeding my synapsids for the day.
Today 12:40 AM
RKCWLER
Quote:
Originally Posted by iwaxmyjimmy View Post
And I've seen then just wear irregular and then get a vibration. I would exhaust all possibilities first then give it some death wobble, too soon? Jk lol. Any certain speed is more noticeable?
???????????????????????
Today 12:32 AM
Ditchdoc
Quote:
Originally Posted by RKCWLER View Post
Read Tom Woods and other know-all sites about elliptical orbits and phasing and etc. changed all the u-joints about 6 months ago. Even rotated shaft to 4 different positions on the 241 output. Nothing changed.
I'm not familiar with tom woods or what he says. I'm pretty sure he is a smart guy. All I can say if the connection has even number of power transfer it can't be a constant velocity. It's mathematically impossible. It has to be 3,5, or 6 I know 6 is even but is / x2 to 3.
Today 12:20 AM
iwaxmyjimmy
Quote:
Originally Posted by RKCWLER View Post
3-1/2". Never had the covers off, but had the fluid changed about 4 months ago. Clean as new. Can't budge the trans any. Angles are relative to the working surface. Angles are good.
And I've seen then just wear irregular and then get a vibration. I would exhaust all possibilities first then give it some death wobble, too soon? Jk lol. Any certain speed is more noticeable?
Today 12:17 AM
RKCWLER
Quote:
Originally Posted by iwaxmyjimmy View Post
How much lift? Makes me want to pull the cover check the back lash on the ring gear in 8 spots. I've seen ring and pinions cause vibrations too. Trans mount good? Angle your drive shaft is at, and that your tcase output is at?
3-1/2". Never had the covers off, but had the fluid changed about 4 months ago. Clean as new. Can't budge the trans any. Angles are relative to the working surface. Angles are good.
Today 12:09 AM
iwaxmyjimmy
Quote:
Originally Posted by RKCWLER View Post
Tried that. 1,2,3 up and 1,2,3 down. No difference.
How much lift? Makes me want to pull the cover check the back lash on the ring gear in 8 spots. I've seen ring and pinions cause vibrations too. Trans mount good? Angle your drive shaft is at, and that your tcase output is at?
Today 12:07 AM
RKCWLER
Quote:
Originally Posted by iwaxmyjimmy View Post
How I've always ran a CV drive shaft is the pinion close to or pointing to the output shaft of the tcase.
Tried that. 1,2,3 up and 1,2,3 down. No difference.
Today 12:04 AM
RKCWLER
Quote:
Originally Posted by Ditchdoc View Post
Well they do. I don't want to get to complicated here but replacing the u joints that have a elliptical orbit causing acceleration and deceleration go with a true cv ( constant velocity ) joint. Of coarse this will not cure a out of balance shaft.
Read Tom Woods and other know-all sites about elliptical orbits and phasing and etc. changed all the u-joints about 6 months ago. Even rotated shaft to 4 different positions on the 241 output. Nothing changed.
Today 12:02 AM
iwaxmyjimmy
Quote:
Originally Posted by JPi1 View Post
I did a build thread on my jeep a year and a half ago. Now it's time to remodel!
Gen-right tank and 4 link rear to add some anti squat? Flat belly so you can come run the hammers with us this fall/winter/spring?
Today 12:00 AM
iwaxmyjimmy
Quote:
Originally Posted by RKCWLER View Post
No. Running stock 410's in the stock Dana 44's with 255-70R16's on stock Moab's. Adjustable UCA's and LCA's set pinion to 1* down. I do feel a slight axle wrap when engaging forward or reverse.
How I've always ran a CV drive shaft is the pinion close to or pointing to the output shaft of the tcase.
Today 12:00 AM
JPi1
Quote:
Originally Posted by iwaxmyjimmy View Post
On 40s with RK three links front and rear
I did a build thread on my jeep a year and a half ago. Now it's time to remodel!
Yesterday 11:57 PM
iwaxmyjimmy
Quote:
Originally Posted by JPi1 View Post
Yellow jeep? Which one?
On 40s with RK three links front and rear
Yesterday 11:56 PM
RKCWLER
Quote:
Originally Posted by iwaxmyjimmy View Post
So this one time I had to balance a drive shaft in a truck for ford on a 2 post lift. Interesting, ive had to balance wheels to the axle shafts on f150s on the same lift. Do you have after market gears?
No. Running stock 410's in the stock Dana 44's with 255-70R16's on stock Moab's. Adjustable UCA's and LCA's set pinion to 1* down. I do feel a slight axle wrap when engaging forward or reverse.
Yesterday 11:56 PM
JPi1
Quote:
Originally Posted by iwaxmyjimmy View Post
Stan, How come there isn't a build thread for the yellow jeep. Great way to show of innovative ideas and inspire builds. Just food for thought. Could get that customer on board to take their build to the next level ya know?
Yellow jeep? Which one?
Yesterday 11:55 PM
iwaxmyjimmy
Quote:
Originally Posted by JPi1 View Post
I'm just going to say the methods we use at JPi work for us, no need to explain in a forum the how's and what for's. Our repeat customers and great reviews are a testament of doing things right. I'm not picking on the guys here that work out of your garages, I'm simply stating our experiences. You guys do some nice work, and create some interesting jeep projects. I only post on these forums to help people out with problems, and relay what we have done that works. Not saying it's the only way, it's our way.
Stan, How come there isn't a build thread for the yellow jeep. Great way to show of innovative ideas and inspire builds. Just food for thought. Could get that customer on board to take their build to the next level ya know?
Yesterday 11:52 PM
Ditchdoc
Quote:
Originally Posted by RKCWLER View Post
Wish they would make one of them dampener things for my harmonic rear drive shaft vibes. I have already checked the driveshaft, the wheel balances, the pinion angle, the horizontal and lateral planes and everything else. Seems people with the 4.0 and 42 RLE automatic have this problem built-in.
Well they do. I don't want to get to complicated here but replacing the u joints that have a elliptical orbit causing acceleration and deceleration go with a true cv ( constant velocity ) joint. Of coarse this will not cure a out of balance shaft.
Yesterday 11:52 PM
JPi1
Quote:
Originally Posted by JoeBot13 View Post
We don't know, you didn't check.
Of coarse we checked, there was rock damage on the stabilizer. Found nothing else.
Yesterday 11:50 PM
RKCWLER
Quote:
Originally Posted by Dougzin View Post
Do you have an SYE?
No. But, I have a CV (double cardon) connected to the 241. It's a Rubicon.
Yesterday 11:49 PM
JoeBot13
Quote:
Originally Posted by JPi1 View Post
What front end parts will be worn at 1200 miles?
We don't know, you didn't check.
Yesterday 11:49 PM
JPi1
Quote:
Originally Posted by iwaxmyjimmy View Post
Did you even check out anything else? To make sure that you weren't covering it up? Alignment on it or anything? You can throw a hydro ram on something and not have any wobble too. Doesn't mean you fixed a damn thing you just nerfed the feeling of it. Shit it's a 3 min process to check all the steering joints and suspension joints to make sure you don't have a come back and fix it right the first time and not have more than one test drive bc it waste time and money. I turned wrenches for over 6 years professionally at a dealership doing everything thing from rebuilding rear ends to some body work(screw that by the way) and I know you fully diagnose a problem and get to the root cause not fix the first thing you see, then find more problems. You're putting misinformation out there bc you and I both know it's a damn band aid. I was in shock and appalled you even mentioned a stabilizer will even fix it. Look up steering and suspension geometry. Again, no disrespect by any means but I think you need a better understanding of steering/suspension geometry. Edit: you still didn't answer my question of you check the suspension/steering components, with or without the stabilizer installed.
I'm just going to say the methods we use at JPi work for us, no need to explain in a forum the how's and what for's. Our repeat customers and great reviews are a testament of doing things right. I'm not picking on the guys here that work out of your garages, I'm simply stating our experiences. You guys do some nice work, and create some interesting jeep projects. I only post on these forums to help people out with problems, and relay what we have done that works. Not saying it's the only way, it's our way.
Yesterday 11:46 PM
Zombiehunta666
Quote:
Originally Posted by Ditchdoc View Post
If I remember right I think it's called harmonizing force multiplication and that is a damper works so well on eliminating it because a dampener prohibits the harmonizing of the unsymmetrical motion amplification.
Those words are too big for WF.
Yesterday 11:44 PM
iwaxmyjimmy
Quote:
Originally Posted by RKCWLER View Post
Wish they would make one of them dampener things for my harmonic rear drive shaft vibes. I have already checked the driveshaft, the wheel balances, the pinion angle, the horizontal and lateral planes and everything else. Seems people with the 4.0 and 42 RLE automatic have this problem built-in.
So this one time I had to balance a drive shaft in a truck for ford on a 2 post lift. Interesting, ive had to balance wheels to the axle shafts on f150s on the same lift. Do you have after market gears?
Yesterday 11:43 PM
RKCWLER
Quote:
Originally Posted by Ditchdoc View Post
My cure for death wobble is wrap it in bacon at least it be a tasty death.
Just had tons of bacon bits on my scalloped potatoes and slow cooked bone in ham and steamed broccoli on the side. Yum Yum
Yesterday 11:42 PM
Dougzin
Quote:
Originally Posted by RKCWLER View Post
Wish they would make one of them dampener things for my harmonic rear drive shaft vibes. I have already checked the driveshaft, the wheel balances, the pinion angle, the horizontal and lateral planes and everything else. Seems people with the 4.0 and 42 RLE automatic have this problem built-in.
Do you have an SYE?
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