Lowest tire Pressure ( safe) with OEM tires on Silverado 1500 on dunes

[sardarjee]

What is the lowest tire pressure one can safely go, on dunes, with the OEM tires?

 

[AXE]

12-15 psi...... higher speeds, higher pressure. Also type of sand and compaction can affect performance. Hard sand, higher pressure, soft sand lower pressure..

Suspension setup and hook up can also affect handling. I didn't get much axle wrap in the sand on mine, so ran pretty well in coarse sandy washes at 30+ psi.

I would start at 20 psi and go up or down and experiment.

 

[NullNomad]

Personally I’d feel good at about 18-20 in my area of South Texas. Used to run 15 in my Wrangler.

First thing I did when I got my truck was drain nitrogen, fill with air.

 

[ZR2BIZON]

We are hopping to hit the dunes either outside of Walden or Medano pass in the next couple of weeks. I've ran trails on 20 psi with zero issues but haven't done sand yet.

My buddy in his wrangler runs 13 psi and another runs 15 psi. Not sure 2 psi makes a difference but that's what they like

 

[sardarjee]

Just finished dunes. They suggested max of 18 but did a 20 PSI (hot)

 

[ZR2BIZON]

Just finished dunes. They suggested max of 18 but did a 20 PSI (hot)

Pics or it never happened

 

[sardarjee]

Pics or it never happened

To start with

 

[ZR2BIZON]

View attachment 13791
To start with

Ah yes. Thank you Sire, carry on!

 

[MNNJR69]

I've run 18-20 with no issues on trails. No sand yet tho

 

[sardarjee]

I've run 18-20 with no issues on trails. No sand yet tho

The sand dune park site said 12 and 15 psi. But posted sign said 15-18 psi.

Worst part was that I had to dismiss warning for every tire. I wish they had lower tire pressure settings like in Colorado ZR2 and Baja mode.

I think I could have gone lower. It didn't look that bad on deflation, but kept it to 20 psi (hot)

 

[MNNJR69]

With a Duramax I definitely would go that low, especially if they are the stock 33s. I hit this trail in Utah with some deep sand areas and didn't even air down....

 

[sardarjee]

With a Duramax I definitely would go that low, especially if they are the stock 33s. I hit this trail in Utah with some deep sand areas and didn't even air down....

Yeah but ride was very smooth with air down. I believe tires are great and ZR2 is very capable. It was riding effortlessly.

With so many uneven whoops and vehicle bouncing crazy, I had to slow down lot of times to keep vehicle in control. I wish it had a Baja mode.

I used 4Hi all the time. Got stuck at the top of dune and used 4L to get out of that situation easily. Lower the spin rate means easy out.

 

[ZR2BIZON]

Yeah but ride was very smooth with air down. I believe tires are great and ZR2 is very capable. It was riding effortlessly.

With so many uneven whoops and vehicle bouncing crazy, I had to slow down lot of times to keep vehicle in control. I wish it had a Baja mode.

I used 4Hi all the time. Got stuck at the top of dune and used 4L to get out of that situation easily.

Hey show off. Was this in CO?

 

[sardarjee]

Hey show off. Was this in CO?

Michigan Should have done drag race. But, there is always next time

 

[ZR2BIZON]

Michigan Should have done drag race. But, there is always next time

Post moar pics please!

 

[sardarjee]

Mostly videos and few pics. Will add more on YT once I compile them.

 

[ZR2BIZON]

Badasssssss