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90 percent of the guys are running the tire pressure to low and wonder why they have scalloping, cupping and wobble.

Sorry about that. I meant to post 70/80 on Goodyear and Michelin 1400s. 90/100 on General NATO tread 1400s

You only need to shocks, this is the way R model smacks did it. It won't be a costly projects to do. I think a lot of you bounce is coming from the sidewall deflection. You need to run higher pressure to get rid of sidewall bounce. I have all my customer run 70 PSI on rear and 90/100 on front...

I have about 8 sets of new shocks. Give me a call and I can help you out with mounting them. Matt 617-650-2108

I sold the M813 that I was doing this project on. I am now driving a M936 and they don't bounce ;)

It was put on hold.

I received my shocks in the mail recently. I want the thank 3Dangus for hooking me up with the shocks I needed. I think that they will work perfect. The shocks have 11 1/2 inches of travel. I believe they are for a HEMMT originally. I have some shock mounts off a Western Star semi for the top...

Stalwart the pictures are great! What is the travel on these shocks?:beer:

Stalwart do you have any pictures of what you are talking about? What were the shocks that you used? Do you have a part number?

You would be surprised how much shocks help. If you don't think so take off your front shocks. Your front end is under a load all the time! Thanks for the suspension travel lengths. I was planning on putting on shocks with 12 of travel anyways. I would like to see pictures some of these...

I measured my rear suspension it is 4 1/2" - 5" inches to the bumper stops. So that gives me about 10" of travel. I will order shocks that have 12" to give room for droop when one axle is hanging. If you are worried about over extension you can put on limiting straps, that is what most off-roads...

Nice pictures Cranetruck! I would not have thought of mounting the shocks that way, but it makes sense. That is the direction that the axle pivots. You would need to leave room so the shock doesn't bind against other parts while giving proper dampening.

Yes, I am singling out my tires, not bobbing the truck! I will probable use stock upper front shock mounts and fabricate lower mounts. I need to see how it lays out. I was looking at shocks today. King shocks and Road King shocks look the best. They are make shocks for heavy trucks like ours...

One would think so, but my boss has a R-model make with 44 rears and the springs are bigger than a 5 ton. His truck is having issues with the ass end being bumpy. We first replaced the tires and then found out the rear shocks were cooked. If you still don't believe me look at the your front end...

I work at a trucking company and Civilian semi trucks use shocks in the rear. Even the old Macks have rear shocks. I am singling out my M813 so there will be plenty of room on the outside of the frame off 4 shocks. I think they will help with the ride when empty. I hit some big highway seams on...