: pivot perch


GONZO86
09-21-2002, 08:53 AM
does anybody run these on a daily driver.? are they worth the $ or effort-

Rockit
09-21-2002, 10:01 AM
I've been on an EB with them on, they work great off road. They make the back end articulate very smoothly, and increase travel. But when we were doing some dirt road jamming they also allow the rear to move side to side, made for some strange handaling. I don't know if I'd want them on a DD unless they could be locked out.

GONZO86
09-21-2002, 09:20 PM
tttop

SMC
09-21-2002, 10:02 PM
Originally posted by GONZO86
tttop

Why? :rolleyes:

GONZO86
09-22-2002, 08:32 PM
no other opinions

SCOTTS_4X
09-22-2002, 10:42 PM
I am also interested in these srping rockers and am looking for info on handling characteristics ect. just wondering how they would let the axle move side to side? doesn't the bolt run front to back? maybe they get sloppy after lots of use? just curious because I am very interested in running something close to this design. thanks in advance.

-Scott

Rockit
09-23-2002, 11:33 AM
Originally posted by SCOTTS_4X
I am also interested in these srping rockers and am looking for info on handling characteristics ect. just wondering how they would let the axle move side to side? doesn't the bolt run front to back? maybe they get sloppy after lots of use? just curious because I am very interested in running something close to this design. thanks in advance.

-Scott
Yes, the pivot bolt does run paralell to the spring and this removes any bind where it attatches to the axle. Normally, when the axle encounters a side load the spring bushing recieves a latteral load because the axel it trying to keep the bottom portion of the spring in paralell corelation to the upper bushings. With the pivots, there is no spring twist so the bushings revieve more is a twisting load. You are no longer using any spring resistance to keep the rear located, just the bushings.

Rockit
09-23-2002, 11:37 AM
Ok, I just read what I wrote, and I'm not sure I understand what I was trying to get across. Someone out there has to have used them and be able to explain it better!

D60
09-23-2002, 12:16 PM
Once you've installed these isnt' the rear basically doing nothing to keep the vehicle upright? I mean say you installed them front and rear on a vehicle which has leaf springs all around; what is to keep it from just flopping over to one side until the rockers bottom out?

Ok, so maybe you wouldn't use them front and rear......still it illustrates my point/question above.

Ok, so then run them on the rear and install lockouts for the street, great. But you wanna use them on the trail, right? So you remove the lockouts.......now you're on an off-camber shelf road, is it only the front suspension which is responsible for keeping the vehicle from tipping over the edge?

Seems to me these are great for ramping and crawling.... but make it so that only the front axle is preventing severe body/chassis roll.

I'm not ripping on them, but this is how it seems to me? Please correct me if I'm wrong.

SMC
09-25-2002, 02:50 AM
No, your correct. Cool concept, but not realy the best thing. Mutch like the Revolver Shackles. Sound like a cool idea, but dont realy do mutch good.

Hobe
09-25-2002, 08:53 AM
Originally posted by D60
Once you've installed these isnt' the rear basically doing nothing to keep the vehicle upright? I mean say you installed them front and rear on a vehicle which has leaf springs all around; what is to keep it from just flopping over to one side until the rockers bottom out?

Ok, so maybe you wouldn't use them front and rear......still it illustrates my point/question above.

Ok, so then run them on the rear and install lockouts for the street, great. But you wanna use them on the trail, right? So you remove the lockouts.......now you're on an off-camber shelf road, is it only the front suspension which is responsible for keeping the vehicle from tipping over the edge?

Seems to me these are great for ramping and crawling.... but make it so that only the front axle is preventing severe body/chassis roll.

I'm not ripping on them, but this is how it seems to me? Please correct me if I'm wrong.

I have seen them in action and agree that you lose some stability in the rear end alignment, but I don't think it is exactly what you are stating. What you will have is more of a side to side movement, or a change in the rear alignment.

This can have the effect of increasing body lean when off camber but it is more a result of weight shift then it is body tilt. Because you have the pivots on both springs they have to move together, to tip over as you mentioned you would be required to lift the offside axle. I'm not sure what force there is that would be responsible for this in the tipping that you mentioned.

Now due to the side to side movement it can create a situation where youcan have more body contact with an obstacle in an extreme off camber situation. This is due to the body shifting slightly to the low side into the obstacle.

Of course this is all just an opinion I have after seeing them in action on several trucks.