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What psi is recommended for the Tusk Terrabite 8-ply radial UTV tire? I do about 50% paved road and 50% gravel fire road riding. I’m looking for the best psi for tire life on pavement.
 

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Discussion Starter · #6 ·
Well, what does Tusk recommend? PSI is so subjective.
I've checked and all they say is the max psi for the tires which is 22psi. I'm going to start with 20psi back tires and 18psi fronts and work my way down. I'm concerned about running too low of psi on pavement and wearing the tires out prematurely.
 

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I've checked and all they say is the max psi for the tires which is 22psi. I'm going to start with 20psi back tires and 18psi fronts and work my way down. I'm concerned about running too low of psi on pavement and wearing the tires out prematurely.
Yeah, I can see that. Might be a bit high with 20 / 18? But it's one of those try it and see deals.
 

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Pavement will wear the tires out prematurely, period. I run about 12 psi, 99% desert trails. If you run higher inflation all you do is wear out the middle of the tire faster. For maximum wear you'll want a wider contact Patch. Fully load your car and rub sidewalk chalk on driveway in front of each tire about 2" wide. Roll the tires over the chalk at different psi to see what gives you a good amount of tire contacting the road. Now with all that tire grabbing the asphalt you can probably expect to wear out your CVs and bearings faster plus the car will be 'twitchy' driving asphalt but your tires will wear more evenly. Choose your poison because UTVs are designed to be driven off road. Don't think I've ever seen an advertisement from Polaris or can am of a UTV being driven on highways.
 

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going to watch this thread because i'm going to be picking up a set of these tires once my ride gets here
 

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I wanted to thank everyone on this post for inputs! I just got back from a trip to the Arizona Peace Trail riding from Quartzsite to Parker and I found 15psi worked perfect for me! No flats despite lots of sharp rocks everywhere! I could tell the tires were a little more ballooned and round than I would like but still, seemed to work great! 🤙
 

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To clarify: I usually run 8-10 lbs on normal so-cal or San Felipe trails and it works great for these tires. However, my more experienced friends recommended higher pressures for the Arizona trails with some big/sharp rocks… worked great, never had to use my spare!
 

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Has anyone had set 8ply and 10ply tusk Terrabite tires? If so what was the difference between the two sets? Here in Lake Havasu Az the train is like gravel with washboard with rocks. I am thinking that 8 ply would be better for the washboard but am concerned about the rocks.
 

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Has anyone had set 8ply and 10ply tusk Terrabite tires? If so what was the difference between the two sets? Here in Lake Havasu Az the train is like gravel with washboard with rocks. I am thinking that 8 ply would be better for the washboard but am concerned about the rocks.
We had 8 ply Terrabites on our '15 OG XDS Turbo car, and currently have 10 plys on our '20 XRC Turbo RR car. However, beings these 2 cars/suspensions are night and day different, I couldn't begin to advise.
 

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We had 8 ply Terrabites on our '15 OG XDS Turbo car, and currently have 10 plys on our '20 XRC Turbo RR car. However, beings these 2 cars/suspensions are night and day different, I couldn't begin to advise.
Thanks for the honest opinion it is greatly appreciated. Have you had any problems with the 8ply tires that you think you would not have had with 10 ply?
 

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Thanks for the honest opinion it is greatly appreciated. Have you had any problems with the 8ply tires that you think you would not have had with 10 ply?
We use our machines from rock crawling to asphalt and everything in between. The 8 plys worked fine on the OG with 7/7.5 psi cold pressure... they usually get to about 10/10.5 psi warmed up. Never had any issues with tire pinch nor jagged rocks ripping the sidewall on them. I will admit that when crawling in rocks and high speed trails, my priority is to always pick a line that steers away from any embedded rocks that look to be a "sidewall ripping mofo"...

I just put our 10 plys on the X3 this summer after getting over 7,000 miles out of the Liberties....still run the 7/7.5 psi cold pressure all the time....hope this helps.
 
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