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Author Topic: driveshaft angle  (Read 1490 times)

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Offline Justink

  • Budget Lift
  • Posts: 278
  • '89 comanche 5'' lift, 33's
driveshaft angle
« on: December 21, 2009, 07:24:59 PM »
so i know back driveshaft angle has been gone over alot but whats a decent front driveshaft angle or do i have to worry?  i blew 2 cups out on the cv joint and was wondering if driveshaft angle had anything to do with it, or if  i just put it in bad.   :-[  I am currently runnin a 4.5 inch lift if that matters
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'89 Comanche 5'' 33's, dana 44 playtoy
'91 cherokee 4.5'' 31's DD
'88 Nissan 300zx just for fun
If it seems like a good idea at the time it probably isn't!

Offline dac

  • That CB Yapper
  • Posts: 516
Re: driveshaft angle
« Reply #1 on: December 21, 2009, 07:34:05 PM »
Don't quote me on this but I think your caster is more important than drive shaft angle.
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Offline Justink

  • Budget Lift
  • Posts: 278
  • '89 comanche 5'' lift, 33's
Re: driveshaft angle
« Reply #2 on: December 21, 2009, 08:04:47 PM »
caster is the angle of the diff, or what is it?
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'89 Comanche 5'' 33's, dana 44 playtoy
'91 cherokee 4.5'' 31's DD
'88 Nissan 300zx just for fun
If it seems like a good idea at the time it probably isn't!

Offline dac

  • That CB Yapper
  • Posts: 516
Re: driveshaft angle
« Reply #3 on: December 21, 2009, 08:26:52 PM »
Quote from: Justink on December 21, 2009, 08:04:47 PM
caster is the angle of the diff, or what is it?

more or less.  Think shopping cart front wheels.  Diff angle kind of falls out of it.

http://en.wikipedia.org/wiki/Caster_angle

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This is not 'Nam, this is wheeling.  There are rules.

Offline Justink

  • Budget Lift
  • Posts: 278
  • '89 comanche 5'' lift, 33's
Re: driveshaft angle
« Reply #4 on: December 21, 2009, 08:38:45 PM »
so i know on the back you can get sloped blocks to improve the angle, but what about the front being as its coils? 
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'89 Comanche 5'' 33's, dana 44 playtoy
'91 cherokee 4.5'' 31's DD
'88 Nissan 300zx just for fun
If it seems like a good idea at the time it probably isn't!

Offline dac

  • That CB Yapper
  • Posts: 516
Re: driveshaft angle
« Reply #5 on: December 21, 2009, 08:48:23 PM »
Quote from: Justink on December 21, 2009, 08:38:45 PM
so i know on the back you can get sloped blocks to improve the angle, but what about the front being as its coils? 

You stumped me on that one.  You may or may not have cams on the lower control arms?  You can also get adjustable arms.
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Offline Justink

  • Budget Lift
  • Posts: 278
  • '89 comanche 5'' lift, 33's
Re: driveshaft angle
« Reply #6 on: December 21, 2009, 08:52:01 PM »
i just thought of the control arms  :-[
I am running procomp control arms. which brought the diff down.  So by buying longer uppers i should be able to cancel out the effect of a longer lca?  or do I have to go out and buy adjustable control arms?
« Last Edit: December 21, 2009, 08:53:43 PM by Justink »
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'89 Comanche 5'' 33's, dana 44 playtoy
'91 cherokee 4.5'' 31's DD
'88 Nissan 300zx just for fun
If it seems like a good idea at the time it probably isn't!

Offline dac

  • That CB Yapper
  • Posts: 516
Re: driveshaft angle
« Reply #7 on: December 21, 2009, 08:57:15 PM »
So you just put the lowers on?  I wouldn't get solid uppers, go adjustable and save the headache.  As for dialing it in, I can't remember what the angles should be.
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Offline esi

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  • Posts: 633
Re: driveshaft angle
« Reply #8 on: December 21, 2009, 09:08:56 PM »
doesn't your diff have cam bolts at the diff end of the LCA's. If not a set of them might solve your problems.
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Offline Mudhawg

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  • Rig Life
Re: driveshaft angle
« Reply #9 on: December 21, 2009, 09:25:44 PM »
both cherokee's ive had 1990/1996 dont have cam bolts on the LCA's
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1984 Chevy 6" Lift 40" Boggers

Offline Justink

  • Budget Lift
  • Posts: 278
  • '89 comanche 5'' lift, 33's
Re: driveshaft angle
« Reply #10 on: December 21, 2009, 11:12:40 PM »
pretty sure mine aren't cam bolts.  whats the difference?
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'89 Comanche 5'' 33's, dana 44 playtoy
'91 cherokee 4.5'' 31's DD
'88 Nissan 300zx just for fun
If it seems like a good idea at the time it probably isn't!

Offline esi

  • That CB Yapper
  • Posts: 633
Re: driveshaft angle
« Reply #11 on: December 21, 2009, 11:13:16 PM »
Quote from: Mudhawg on December 21, 2009, 09:25:44 PM
both cherokee's ive had 1990/1996 dont have cam bolts on the LCA's

Did they have the grooves for them?
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Formerly of Boots & Boost Inc
Back farming and fabricating again.

Offline Mudhawg

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  • Posts: 1747
  • Rig Life
Re: driveshaft angle
« Reply #12 on: December 21, 2009, 11:45:56 PM »
dont think so
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1984 Chevy 6" Lift 40" Boggers
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