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more tunnel clearence

drop brackets, they are around $100, you will just need to find them for your sled, but they are definetly made and would give you an extra 2-3" of tunnel clearance, they work great, I have em on my rev
 
I believe there's a lower hole in the stock brackets that isn't drilled all the way out. Drill it out and drop your suspension, if you haven't done it already.
 
I was going to drill out that hole but there isn't enough material their to be so called "Safe", I think it could bust out.
 
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I drilled out the stock bracket bottom hole and ran it that way from day one...never had an issue with it. I think it gave you an extra inch or so.

~Gaz
 
if you bring it up 3 inches in the rear, it will put alot more pressure on your skis since the attack angle has been changed, but loosening off the limiter strap a few notches will fix this.

I have a 2" drop bracket on my Rev, and definetly noticed the extra weight on the skis, but after a few minor suspension adjustments, its golden now, I love the extra tunnel clearance, makes a big difference in deep snow in my opinion, I have run them on a 98 Summit X, and now my 07 summit, and will always put them on, I love em.
 
Would you reccommend doing this on an 01 summit 500F, I have never noticed if my brackets have to bottom hole that can be drilled out, but I have thought about making new brackets before. Would it be worth it?

Thanks, Jacob
 
Older Summits would benefit more from suspension relocation, that is 01 and earlier ZX chassis. 02 is supposed to already have a lowered suspension and better approach angle compared to earlier summit ZX's, but my 02 800 summit had a major drop and roll done to it and the suspension moved down and back with aftermarket rear brackets and a plate added to the tunnel up front to reinforce. Since I never rode the sled before this, only rode an 01, I can't say for sure, but this seems to have made a difference in the sled's ability to get up on top of the snow and stay there. No point in giving dimensions I think, since the drop and roll and moveback changed everything around so much on this sled. It is running 10 tooth drivers and has clearance for extroverts to boot, and I am sure I could run a 2.5" lug track with the 10 tooth and not have a clearance problem...

I would say aftermarket rear brackets and dropping the front down a bit (remembering to make sure it is a reinforced part of the tunnel) might help clear snow out of the tunnel better and help the sled work better in general, but it will steepen the approach angle of the track a bit. Probably not enough to matter tho. The other thing to watch out for is the upper idler shaft that is in the tunnel with a couple idler wheels on it for the upper portion of the track... you might have to move it down or pull it out. Mine is gone from my sled because of the suspension relocation but mine is more extreme than what you are talking about. There wasn't room to mount it any more so the former owner yanked it, no ill effects.
 
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Older Summits would benefit more from suspension relocation, that is 01 and earlier ZX chassis. 02 is supposed to already have a lowered suspension and better approach angle compared to earlier summit ZX's, but my 02 800 summit had a major drop and roll done to it and the suspension moved down and back with aftermarket rear brackets and a plate added to the tunnel up front to reinforce. Since I never rode the sled before this, only rode an 01, I can't say for sure, but this seems to have made a difference in the sled's ability to get up on top of the snow and stay there. No point in giving dimensions I think, since the drop and roll and moveback changed everything around so much on this sled. It is running 10 tooth drivers and has clearance for extroverts to boot, and I am sure I could run a 2.5" lug track with the 10 tooth and not have a clearance problem...

I would say aftermarket rear brackets and dropping the front down a bit (remembering to make sure it is a reinforced part of the tunnel) might help clear snow out of the tunnel better and help the sled work better in general, but it will steepen the approach angle of the track a bit. Probably not enough to matter tho. The other thing to watch out for is the upper idler shaft that is in the tunnel with a couple idler wheels on it for the upper portion of the track... you might have to move it down or pull it out. Mine is gone from my sled because of the suspension relocation but mine is more extreme than what you are talking about. There wasn't room to mount it any more so the former owner yanked it, no ill effects.


Do you have any pics?
 
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