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Looking at studs, Woody's Gold Diggers, GDP6-1325-S series, on a 136" XCR 850, 2.52" pitch, 1.352" Cobra track which is really a 1.250" track with
.100 nubs on the tip of the lugs, anyways on the fence between 108 with round backers or 162 with a combo of double backers and round backers. Is 108 enough for trail riding or is 162 the only way to go with this HP? I rarely ride lakes and where I ride in northern Maine conditions are usually very good hard packed, rarely drag racing with buddies and if so usually with a rolling start. This stud will give me .348" reveal over top of lug. So what's everyone gonna go with?
 

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I was thinking 3-2-3 pattern which would be about 135 studs. single round aluminum backers. I'll probably use sno-studs brand because they're made in my home state. I emailed them about recommendations but haven't heard back yet.
 

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2022 xcr 850 136 captain america black tunnel red rails
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I will be doing 108 (2 per window) fast trac 1.375 round backers stainless nuts. xcr 850 1.35 cobra track. Most everyone i ride with is 850 sleds and 2 per window on the studs.
 

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2020 Indy XCR 850
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I found I bent quite a few with two per bar (with tall nuts) on my 19 XC850 129. I had the 1.5 track. Studs were long to clear the paddles. That may have contributed to the bending. If I conventionally studded again, I would do three per bar minimum.
 

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I found I bent quite a few with two per bar (with tall nuts) on my 19 XC850 129. If I conventionally studded again, I would do three per bar minimum.
Makes sense that too few creates too much stress on the studs and will bend them. Thinking 135 or 162 is the way to go for an 850.
 

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I always use 1.450" Gold Diggers in the Cobra. I doubt you will have .348" penetration with 1.35 studs. One of my riding buddies did that and it doesn't hook up near as good as mine.
For comparison, I installed GD 1.575's in my cobra and I have less than .5" penetration.
 

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2022 Polaris XCR 850
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I had 180 count Woodys GD's 1.45" in the XC 850 '19 with a 1.35" Cobra. Launched like a missile!! Never a tear out or rip of any kind in 2800ish miles. Made sure they were tight throughout the season(s). I will be doing the same with the upcoming '22 XCR 850 next season. That should mean a 216 count. Double backers only.
 

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I had 180 count Woodys GD's 1.45" in the XC 850 '19 with a 1.35" Cobra. Launched like a missile!! Never a tear out or rip of any kind in 2800ish miles. Made sure they were tight throughout the season(s). I will be doing the same with the upcoming '22 XCR 850 next season. That should mean a 216 count. Double backers only.
216 studs sounds insane. That's a lot of extra weight.
 

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Looking at studs, Woody's Gold Diggers, GDP6-1325-S series, on a 136" XCR 850, 2.52" pitch, 1.352" Cobra track which is really a 1.250" track with
.100 nubs on the tip of the lugs, anyways on the fence between 108 with round backers or 162 with a combo of double backers and round backers. Is 108 enough for trail riding or is 162 the only way to go with this HP? I rarely ride lakes and where I ride in northern Maine conditions are usually very good hard packed, rarely drag racing with buddies and if so usually with a rolling start. This stud will give me .348" reveal over top of lug. So what's everyone gonna go with?
I also have a 136” XCR on the way. I plan on going 108, 2 per bar, double backer, 1.63 trigger. Traded my 2020 tuned sidewinder on the XCR, ran 144 1.630 triggers up the middle on the winder with the rip 2 track, same as I’m having swapped into the XCR. I ride in western NB, and live just across the boarder from bridge water and presqueisle main, our trails would be the same as yours and the 2 per bar is plenty for the 850’s. Ran 4/2 pattern in the winder or 3 per bar because i trail rode that at 290hp and needed them. I also had 96 1.6” chisels on the outside to play on the ice and the thing was bad. Hurt some feelings for sure.
 

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I found I bent quite a few with two per bar (with tall nuts) on my 19 XC850 129. I had the 1.5 track. Studs were long to clear the paddles. That may have contributed to the bending. If I conventionally studded again, I would do three per bar minimum.
Run triggers and bending will be a non issue
 

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2012 Polaris Assault 800
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Don't waste your money on 1.325 studs.....they will barely go past the lug. Here is mine with 1.575 Triggers and Chisels. Plenty of clearance and plenty of penetration.......less then 1/2" but more than 3/8". Go with 1.450 or 1.575 for some good penetration.

 

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I'm usually a 3 or 4 per row guy. I was concerned that a 144 might want to go straight all the time. Others here were doing two per row with no issues, so thats what did this time. This is my 144 cobra with 1.575 gd's and studstar backers. Lots of penetration, no pull outs or bent studs, hooks great, very happy.
20200304_104707.jpg
 

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2022 Polaris XCR 850
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216 studs sounds insane. That's a lot of extra weight.
I know it is, I just don't like single backers. My alternative is the 2, 4, 2, 4 rotation with doubles. That makes for a 162 count. There is no way I'd go less than that. My last masheen with 180 picks was a beast & no apparent loss of top end with a 118 (speedo not gps)
 

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I use double 5* angle plates exclusively for many years. Outstanding when you look at benefits they provide both in terms of attack angle, stud (bending) and mounting stress/fatigue (tear outs) or not) sharing the load. I rip on everything I can hook up on all the time I am a traction fanatic. Heck, I remember installing Hooker plates and then T-nuts...
 
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