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suspension upgrades for sand wheeling

GMC500

1/2 ton status
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Safwa
hello all,

what suspension upgrades are better suited for sand wheeling ?
the rig is a 1986 GMC K15
stock suspension
454 + SM465 + NP205 + 10B + 14BFF (3.73) + lockrights + 33" tires

thanks,
Ahmed
 
It seems like you will want more suspension travel in the front, but this basically means a lift. This is probably the right direction anyway as 33" tires at 10psi don't give a lot of ground clearance, approach angle or breakover angle. You want to keep it soft to soak up the bumps and you should think about the bump stops.

But honestly, I'm sure you can play in the sand as-is.
 
OK
how to have more travel with minimal lift ?

also what traction aids are effective in sand ? i.e. traction bars or cal-tracks ?
 
OK
how to have more travel with minimal lift ?

also what traction aids are effective in sand ? i.e. traction bars or cal-tracks ?
I take it you have seen my build if you are mentioning cal-traks. I'm the only one running a set so far. I like how cal-traks work and the cal-traks don't bind the suspension like a traction bar would.
As for travel, the limiting factor is the shocks mounted in the factory location. There is little travel with the shocks mounted there. I’m going to build some shock hoop later. As for travel with minimal lift, I don't know as of yet, since I'm still experimenting with the suspension. I will say this, I'm going to need taller bump stops or hydraulic bump stops for the front because I killed a set of 52" springs.
 
I take it you have seen my build if you are mentioning cal-traks. I'm the only one running a set so far. I like how cal-traks work and the cal-traks don't bind the suspension like a traction bar would.
As for travel, the limiting factor is the shocks mounted in the factory location. There is little travel with the shocks mounted there. I’m going to build some shock hoop later. As for travel with minimal lift, I don't know as of yet, since I'm still experimenting with the suspension. I will say this, I'm going to need taller bump stops or hydraulic bump stops for the front because I killed a set of 52" springs.

yes I've seen it, you have a nice blazer :bow:
I wonder if cal-traks will eliminate wheel-hop ?
because I experience severe wheel-hop when it is stuck and I try to move it especially in reverse ( it will shake the whole truck )


also how do you like the 52"s in the front
I do a lot of street driving and soon I will use it to tow a 22 feet boat
also I don't plan to lift it a lot since I will be using 33" wheels for now
so i believe 52"s are not for me
 
No wheel hop at all, but I haven't tried it in reverse which could be a problem. Cal-tracs are made to work going forward.
Cal-tracs are designed to prevent wheel hop while going to instant center. Hell, drag car use Cal-tracs with mono-leaf springs.
The 52" springs are just right for the sand IMO. The only problem I'm having with the 52" springs is a severe sag on the passenger side. The spring got damaged when I caught air. Taller bumpstops should solve the problem by preventing the spring going into a severe negative arc.
 
No wheel hop at all, but I haven't tried it in reverse which could be a problem. Cal-tracs are made to work going forward.
Cal-tracs are designed to prevent wheel hop while going to instant center. Hell, drag car use Cal-tracs with mono-leaf springs.
The 52" springs are just right for the sand IMO. The only problem I'm having with the 52" springs is a severe sag on the passenger side. The spring got damaged when I caught air. Taller bumpstops should solve the problem by preventing the spring going into a severe negative arc.

nice
what is the cal-trak part # ?
and kindly please post more pics of cal-trak install
 
One more thing, the side plates I’ve got didn't work with the lift springs, so I made my own. I don't think you would have a problem with lift blocks.
 
i believe the U-bolts that hold the leafs to the axle tube in 1/2 and 3/4 applications point upward

how did you change yours to 1-ton style U-bolts ?
 
The U-bolt flip was supplied by Cal-trac. The spring plate has a bracket welded on for the link mount. Cal-trac did this so their kit be a fully bolt on kit.
 
The U-bolt flip was supplied by Cal-trac. The spring plate has a bracket welded on for the link mount. Cal-trac did this so their kit be a fully bolt on kit.

great

thank you very much for your help
 
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