Anyone else cutting tires? Patterns? - Polaris RZR Forum - RZR Forums.net
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post #1 of 9 Old May 20th, 2019, 11:06 AM Thread Starter
 
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Anyone else cutting tires? Patterns?

Started grooving my tires a couple of years ago to sharpen up my tires to get a bit better bite out of our tires.
It has seemed to help a lot but I was curious if anyone else is trying it and does anyone have any other tips?
These are my proarmor XG's.

I need to try siping a bit as well but haven't gotten that far.
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post #2 of 9 Old May 20th, 2019, 11:47 AM
 
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Re: Anyone else cutting tires? Patterns?

You will get some more "bite" but at the expense of wear. We race and asked our tire grooving expert from trophy trucks to short courses and said tire pressure above all on UTV's affects handling and traction the most.

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post #3 of 9 Old May 20th, 2019, 11:56 AM Thread Starter
 
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Re: Anyone else cutting tires? Patterns?

Yes I agree that air pressure is my biggest asset. For crawling I am running 4 psi but I did notice a big change in traction with the right grooves.

I absolutely agree tire wear goes up but to me its worth the expense. For the little bit I run our machine by the time I wear out a set of tires the next latest and greatest tire had just been released.

I haven't played with siping because of chunking concerns with too soft of a tire compound. Just the grooving I haven't seen much chunking. I would think on slick rock like I run in MOAB that siping would increase traction as well.
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post #4 of 9 Old May 20th, 2019, 12:24 PM
 
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Re: Anyone else cutting tires? Patterns?

Siping is common on ice/snow. For rock, if it's slick you want a sticky contact patch so more grooves are going to give you less traction. However, if you're looking for grip in loose rocks or lips/jagged edges, the grooving will work best.

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post #5 of 9 Old May 20th, 2019, 02:26 PM Thread Starter
 
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Re: Anyone else cutting tires? Patterns?

Yes snow and Ice around here is where I learned to sipe and stud.
The gravel type stuff on Behind the Rocks and Pritchett is where I could tell a difference so your comment is true based on my small experiment.

I only started the thread as a couple of guys at MOAB Rim noticed the grooving in my tires and were intrigued over grooving and I hadn't seen too many others doing it.

I only have one more season on these tires so I am intrigued to see how the outside lugs hold up. Most of the grooving I have done is to sharpen the existing pattern on the tires without opening them up too much. The rears I made the cuts to the face of the center lugs as the factory siping was gone but I didnt notice a huge difference in it as they were really shallow grooves.

Probably a waste of time but it gives me something else to do in the shop on our long crappy winters in Wisconsin.

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post #6 of 9 Old May 20th, 2019, 10:34 PM
 
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Re: Anyone else cutting tires? Patterns?

I have a set of Interco LTB’s I grooved extensively and they work awesome.

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post #7 of 9 Old May 22nd, 2019, 12:14 PM
 
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Re: Anyone else cutting tires? Patterns?

Quote:
Originally Posted by Trailratedcj7 View Post
Yes snow and Ice around here is where I learned to sipe and stud.
The gravel type stuff on Behind the Rocks and Pritchett is where I could tell a difference so your comment is true based on my small experiment.

I only started the thread as a couple of guys at MOAB Rim noticed the grooving in my tires and were intrigued over grooving and I hadn't seen too many others doing it.

I only have one more season on these tires so I am intrigued to see how the outside lugs hold up. Most of the grooving I have done is to sharpen the existing pattern on the tires without opening them up too much. The rears I made the cuts to the face of the center lugs as the factory siping was gone but I didnt notice a huge difference in it as they were really shallow grooves.

Probably a waste of time but it gives me something else to do in the shop on our long crappy winters in Wisconsin.
If the tires are toast... grove em for sure. Tires are good. I wouldn't.
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post #8 of 9 Old June 2nd, 2019, 03:23 PM
 
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Re: Anyone else cutting tires? Patterns?

What is the differnece between siping and grooving?
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post #9 of 9 Old June 2nd, 2019, 08:58 PM
 
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Re: Anyone else cutting tires? Patterns?

Siping is essentially cutting slits in the tread. All the little slits in your automotive tires would be sipes.

Grooving refers to opening up the voids between tread blocks or removing chunks of rubber from a tread block to make multiple tread blocks. Can also just mean removing the tread wear bars.

Google “off road tire grooving” and you’ll get a plethora of images.

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