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I'm Going to a Challenger Extreme 2.5 x 174 from a 163, what Rail extentions have people used???? How about Tunnel extentions???? Gonna throw on a big wheel kit too. Thanks!
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I have been thinking about the same swap... but will it be a dead dog with only the stock power turning it?
We got everything from Avid for the 174-2.5" last year, this year we did the 3" paddle and did a longer extension, Iceage rails and extended the cooler (thanks Fastrax!). All worked well. I would avoid the bigwheels, more leverage on the bearings, less track on the ground and they will almost certainly hit the tunnel with the taller lugs. You will be impressed!!
With a little clutching and maybe some gearing it will turn it just fine. Brew can help you out with that.
I've been running a 174 2.5 for a year now and it works great. Rooster built clutching, 20/51 gearing, sop pipe and head. It climbs great and in the woods works even better.
I got a pretty good handle on what i need, should be a pretty sweet ride when i'm done, gonna do some powder coating while i have it apart, and throw in a head and slp y-pipe and pipe, i'll post some pic's as the project progresses, but SHHHHHH don't tell the rest of my buddies, i plan on keeping it a surprise!
For you who have done the swap, does it hurt your maneverabilty at all?
If you are used to a 163 you will notice little to no difference in handling. You will however notice a huge difference in deep snow performance
I found this to be not true as i went from 163 to 174 and you know the extra track is back there.
Take a pull with mine up a hill and through the trees and then take a 163 and quite abite different.
Just my findings and as you say great in the deep snow and would not do back to 163 x 2.5 but would like to try the 163 x 3 to see the difference for myself and this is doing to happen this year as buddy is installing the drop and roll and 3 x 163.