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Track questions...please chime in w/ your thoughts.

B
Nov 26, 2007
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Have a 2004 MC 151.

currently has 2.52 drivers. wouldn't mind upgrading to a 3" pitch and run w/ a 2.5" lug.

what was stock on the king? 8t x 3"P

i am running 9" wheels...if i went to a 156" track, do you think that wheel would suck up the slack? or do i need to drop to a 150" track?

what was the stock gearing on a king?

thanks for the help
 

Meatman

Well-known member
Lifetime Membership
Nov 26, 2007
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19/43 gearing, i got a kingcat drive shaft with drivers if your interested
 

Rixster

Well-known member
Premium Member
Oct 20, 2005
3,781
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Springville, UT
Stock gearing on the king was 19/43. That works great in the higher elevations. With a shorter track (150 or 156) you might be able to gear up to 19/41. depends how much you weigh also. I went from 159 to 162 using a mountain machines two axle and 9 inch wheels. I think that 9 inch wheels will eat up the difference between 151 and 156. If you get a set of drop brackets you can set your skid back like 2 inches and that will take care of it. Or just get a camo extreme 153. Should bolt right in after you change your drivers.
 

Idcatman3

MODERATOR: Premium Member
Staff member
Nov 26, 2007
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Idaho Falls, Idaho
Biggest problem with going 153" is you can't get the Camo Extreme 2.5. Only the 2.25.

However, you could get a 153 Powerclaw, and supposedly it's as good or better than the Extreme 2.5.
 
B
Nov 26, 2007
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track

cool, thanks guys.

i've also got 19/43 on mine, and i put SJ's on it with a 16 x 151 x 2.31 track. it rips, would like to try the 2.5" track. plus it's a little lighter.

do you guys think it's worth it from what i'm running now? thinking i'd put a 156 x 2.5 x 16.
 

Rixster

Well-known member
Premium Member
Oct 20, 2005
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Springville, UT
What kind of snow do you ride? If you ride powder most of the time I would buy the claw! It is hard to beat!!! The extreme tends to trench a bit in soft snow.
 
B
Nov 26, 2007
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track

whatever is there when i'm west. i'm a flat lander...unfortunately.

i suppose it also matters what driver i went to, if i'm running a 2.52 right now, that must be a 9T?

if i drop to 8T, that would be a larger diameter than a 9T, correct?

a 7T would be smaller than a 9T x 2.52...

so stock, the king was running an 8T x 3"pitch with 19/43 gearing?
 
2
Nov 26, 2007
510
41
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Kent,Wa.
YUP! You are correct.

If you do go with the 3.0 pitch track, I would highly reccomend an anti stab kit of somekind. If you do a search on here, there is some good info to be had. If you would like I can post some pics of mine. Maybe others can post theirs as well. Lots of good ways to achieve the same results. -00's
 
B
Nov 26, 2007
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thanks- good advice. heard about stabbing.

am now just trying to decide if i need to adjust my gearing, or anything else.

the 8T x 3"P will be a larger diameter- unless i'm wrong, someone please correct me if that's not true.

so, that would be like gearing up with a larger driver, however, lighter track.

i think this is the correct math:

9T x 2.52 x (19/43) = 9.98"

8T x 3 x (19/43) = 10.60"

so by moving to a 8T x 3" pitch, i'm actually gearing up. for every revolution of the driveshaft, the track moves 10.60" vs 9.98"...correct?

does that much of a difference justify moving the gears around? or dropping the helix angle? i've got a straight 53 in it now....could go to a 51 to keep her in low range longer? thoughts?
 
B
Nov 26, 2007
353
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track

thanks- good advice. heard about stabbing.

am now just trying to decide if i need to adjust my gearing, or anything else.

the 8T x 3"P will be a larger diameter- unless i'm wrong, someone please correct me if that's not true.

so, that would be like gearing up with a larger driver, however, lighter track.

i think this is the correct math:

9T x 2.52 x (19/43) = 9.98"

8T x 3 x (19/43) = 10.60"

so by moving to a 8T x 3" pitch, i'm actually gearing up. for every revolution of the driveshaft, the track moves 10.60" vs 9.98"...correct?

does that much of a difference justify moving the gears around? or dropping the helix angle? i've got a straight 53 in it now....could go to a 51 to keep her in low range longer? thoughts?
 

Idcatman3

MODERATOR: Premium Member
Staff member
Nov 26, 2007
2,234
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Idaho Falls, Idaho
You are more or less right, although for each revolution of the driveshaft, you travel ~24" with the 8T x 3" pitch drivers, and ~22.68" with the 9T x 2.52" pitch drivers.

So yes, you are gearing up, but the values were a little wrong.
 

Ol* Geezer

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Dec 2, 2007
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Stock drivers on a 1M was 10T so you would be gearing down. 25.2" to 24" per rev.
 
B
Nov 26, 2007
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ah- they were 10T. ok, thanks. that makes a little more sense with the math.

especially since kings were all 162 vs some smaller tracks offered that year on the regular MC's. thanks for the help everyone.
 
B
Nov 26, 2007
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track

will do.

it's a 2.3 x 151 x 16 that i ported w/ (2) 1" holes in the center. very good condition, no tears that i know of or missing lugs.

do you guys think that's a worth while upgrade to go from what i have to the 2.5 and 156? the pitch length, probably makes the 156 & the 151 a wash...?
 
7

76FOMOCO

Well-known member
Apr 18, 2007
4,446
1,235
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Nampa, Idaho
I would go 153 Power claw if you run in a lot of deep powder or 156x16 (9975) if you have a mix of hard pack and powder. each you can just run a 8" or 9"big wheel to take up the slack and still use your rails. the 151 you have is a good all around track tho. hard to say if you gain what makes the cash difference to swap.
 
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B
Nov 26, 2007
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76- yea, like 6+ beans for the track....drivers and shaft....all in $700+

could recoup some if i sold my track...might just be better off leaving it.
 
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