Rear bump stop math for dummies

travisk

NAXJA Forum User

Location

Fullerton, CA

• Mar 16, 2013

• #1

Here's a bump stop measurement of my rear end just about as compressed as I'd like it to get.

I'm thinking of adding these bump stop u-bolt plates from Dirtbound. I'll still be about 3 inches short. What's the cheapest way to get the rest of the way there? Hockey pucks bolted to the U bolt plate? The extended bumpstops that go up from the u-bolt plate are another 50 bucks.

 

ROBZ95Xj

NAXJA Forum User

Location

Keene NH

• Mar 16, 2013

• #2

id run pucks

 

I

ibjeepin95

NAXJA Forum User

Location

Weyers Cave,VA

• Mar 16, 2013

• #3

I dropped my upper bumpstop with piece of 2x2 square stock and added 1 puck to the plate.

 

whitexj98

NAXJA Forum User

Location

Cali

• Mar 16, 2013

• #4

http://www.naxja.org/forum/showthread.php?t=1070332

 

travisk

NAXJA Forum User

Location

Fullerton, CA

• Mar 17, 2013

• #5

I'm thinking of welding a piece of 2"x2" square tubing on top of the U-bolt plate with one hockey puck bolted on top of it. Will that be enough? I don't know how much that stock bump stop will compress.

 

C

clean4drxj

NAXJA Forum User

Location

CT.

• Mar 17, 2013

• #6

Hockpucks, PVC(solid pastic pipe), delrin if you have a drill and a bandsaw/portaband and a drill/press you can even make a set of those bump plates. I made my own and it cost be a total of 13 dollars.

 

ktm racer 419

NAXJA Forum User

Location

ROW DIALIN

• Mar 17, 2013

• #7

I spaced the upper bump away from the chassis with some square tubing. Also, poly progressive bumps are a great low buck upgrade too and come in lengths from 2.5" to 4.5". Much softer than the stock rubber when they hit.

 

xjtrailrider

NAXJA Forum User

NAXJA Member

Location

Roanoke VA

• Mar 18, 2013

• #8

I made my own adjustables, cost nothing!

Here they are with the axle out of the Jeep

 

GordoSmasho

Nevada Raisins

NAXJA Member

Location

Virginia City, NV

• Mar 18, 2013

• #9

Very clever. Putting that on the todo list

 

Lowrange2

NAXJA Forum User

Location

Abbeville, SC

• Mar 18, 2013

• #10

travisk said:

I'm thinking of welding a piece of 2"x2" square tubing on top of the U-bolt plate with one hockey puck bolted on top of it. Will that be enough? I don't know how much that stock bump stop will compress.

Click to expand...

This is what I did.

I welded a ~6" long piece of 2x2 straight to the top of the stock u-bolt plate (Hanging off the side of the u-bolt plate about 3 inches towards the inside) angled both ends and used the 4.1" rear bumps up top. Works great.

Cost 20 bucks for the rubber.