User Login    
 + Register
  • Main navigation
Login
Username:

Password:


Lost Password?

Register now!
Fast Search
Slow Search
Google Ad



Browsing this Thread:   1 Anonymous Users





Rear Leaf Spring Caster Wedges - what's the go?
Home away from home
Joined:
2006/11/29 1:41
From Melbourne
Group:
Registered Users
Posts: 549
Offline
I see caster wedges for rear leaf springs advertised sometimes, usually for 4x4s, but I see kits advised for RWD Datsuns too. Can anyone explain rear wheel caster to me?

Posted on: 2019/10/14 7:01

Edited by SunnyDaze on 2019/10/14 10:40:07
Transfer the post to other applications Transfer


Re: Rear Leaf Spring Caster Wedges - what's the go?
Moderator
Joined:
2001/5/3 7:04
From Hawaii, USA
Group:
Registered Users
Contentmaster
Usermaster
Posts: 31182
Offline
Well when your rear wheels steer, caster helps it return to center naturally. The more caster, the more it will track straighter

Posted on: 2019/10/14 10:04
Transfer the post to other applications Transfer


Re: Rear Leaf Spring Caster Wedges - what's the go?
Home away from home
Joined:
2006/11/29 1:41
From Melbourne
Group:
Registered Users
Posts: 549
Offline
Interesting. I get the general idea of caster, but at first glance I can't quite get my head around the geometry of how a wedge could affect caster, but it kind of makes sense as the axle is travelling in an arc due to the shackles. Anyone running wedges like these?

Open in new window

Open in new window

Posted on: 2019/10/14 10:35
Transfer the post to other applications Transfer


Re: Rear Leaf Spring Caster Wedges - what's the go?
Moderator
Joined:
2001/5/3 7:04
From Hawaii, USA
Group:
Registered Users
Contentmaster
Usermaster
Posts: 31182
Offline
With jeeps and other 4WD with front leaf sprung axle, wegdes are used to adjust steering caster

The same wedges (caster wedges) can be used in the rear to adjust pinion angle. It does not adjust rear caster. The first diagram above shows them tilting the diff up a bit. That is only done for very hi-lift, off-road vehicles. Normally the diff angle should match the transmission angle

Posted on: 2019/10/14 10:42
Transfer the post to other applications Transfer


Re: Rear Leaf Spring Caster Wedges - what's the go?
Guest_
.

Posted on: 2019/10/15 1:19

Edited by unfamilia on 2020/3/29 11:49:57
Transfer the post to other applications Transfer


Re: Rear Leaf Spring Caster Wedges - what's the go?
Home away from home
Joined:
2012/2/13 1:54
From Mordialloc Victoria 3195
Group:
Registered Users
Posts: 871
Offline
Like this?

Attach file:



jpg  P1010004.JPG (158.95 KB)
16236_5da63e0055b16.jpg 640X480 px

Posted on: 2019/10/15 22:45
_________________
'79 B120 ute(TURBO EFI A15 + 60 ser.5spd )
'83 Clubman 7 ( TURBO EFI A15 + 63 ser.dog 5spd )
'73 KB110 Coupe Mild A15 5spd ( Quad carb revver soon)

keep it simple
Transfer the post to other applications Transfer


Re: Rear Leaf Spring Caster Wedges - what's the go?
Moderator
Joined:
2001/5/3 7:04
From Hawaii, USA
Group:
Registered Users
Contentmaster
Usermaster
Posts: 31182
Offline
Those can be used to correct the angle when the leaves are raised unevely. For example by using really long shackles

If you use lowering blocks or reset springs it won't require a wedge

If you raise the vehicle 5" then the railshaft angle might exceed the u-joint design. In which case if might be better to angle the pinion up -- causing a little vibration -- rather than total failure of the joint

Posted on: 2019/10/21 3:27
Transfer the post to other applications Transfer






You can view topic.
You cannot start a new topic.
You cannot reply to posts.
You cannot edit your posts.
You cannot delete your posts.
You cannot add new polls.
You cannot vote in polls.
You cannot attach files to posts.
You cannot post without approval.

[Advanced Search]