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nytro tunnel block off plate?

Joined
Aug 30, 2011
Messages
161
Location
Churdan, Iowa
Country
USA
Snowmobile
13 xtx nytro stage 1 turbo
I was wondering if this is a must do to keep build up back there? I have not rode my nytro yet still waiting for snow!! I have seen on schmidt brothers motorsports he has a block off plate and just wanting some other ideas. Thanks
 

I am installing one on my Nytro xtx because of ice build up. It didnt always build up just under certain condtions. I hope it helps.
 
I took a two foot by one foot piece of sheet aluminum and made my own. First make a template out of cardboard and then start cutting. Slap it in there and rivit it in. I only used 0.025 sheet I might yank it out and use somthing a bit thicker. I have a couple of months to look at it. I had a bad problem with ice build up last season.
 
I also made my own plate, you can see it in my garage thread in the garage section. My plate is specifically designed to fit the mcx turbo kit. I know OFT makes a block off plate for non-turbo applications.

IMO a block off plate is a must on these sleds..
 
I suggest removing the tunnel protectors. That made a bigger difference for me than the block off plate I added first. Night and day difference in my opinion.
 
The ice build up is bad news no question imo. Not only does it add weight but every now and then an chunk of ice will fall off and jam up the track at the front heat exchanger. Im going to remove the tunnel protectors and go from there.
 
canoehead said:
Daranello said:
Ok I wanna make my own also, is there a step by step how to?

Btw I thought a cooler muffler makes more HP??
Try this
www.ty4stroke.com/download.php?id=64083

If you don't want to remove the protectors this plate works well. I have no icing problems now and it was a cheap fix.

http://s589.photobucket.com/albums/ss33 ... ose%20Off/
DSC04217.jpg
 
Schmidt Bros tunnel plate satisfied customer...

I installed the Schmidt Bros plate on my machine last season, and it stopped the ice build-up. However, realize that it is only about a foot long, and nestles around one end of the stock muffler. If you want to fully close off the tunnel (which isn't necessary), you'll need to also cut and install an additional rectangular piece of aluminum between the Schmidt Bros plate and the front of tunnel opening near the header.

The back of the track is what kicks the snow up and onto the exhaust, where it starts accumulating as ice. I'm not sure what real benefit you would get by blocking off the rest of the tunnel.
 
I myself believe "more is better"! I think this length would close the gap between production plates, and also doesn't expose any of the pipe or muffler to snow dust except right at the triple joint. And that def. won't hurt anything.
 
Re: Schmidt Bros tunnel plate satisfied customer...

sr12345 said:
I installed the Schmidt Bros plate on my machine last season, and it stopped the ice build-up. However, realize that it is only about a foot long, and nestles around one end of the stock muffler. If you want to fully close off the tunnel (which isn't necessary), you'll need to also cut and install an additional rectangular piece of aluminum between the Schmidt Bros plate and the front of tunnel opening near the header.

The back of the track is what kicks the snow up and onto the exhaust, where it starts accumulating as ice. I'm not sure what real benefit you would get by blocking off the rest of the tunnel.

If you look to the right of the plate you can see two rivets holding in my first plate which is similar to the Schmidt bros plate. It didn't total cure the icing problem so I installed the second plate to the tunnel protectors. I agree that the icing accumulates mostly toward the rear of the tunnel but where do you draw the line. I didn't want snow and ice building up on top of the plate so I believe extending it forward beyond the problem area is beneficial.
 
Tunnel protectors

kkraus said:
I suggest removing the tunnel protectors. That made a bigger difference for me than the block off plate I added first. Night and day difference in my opinion.


I was thinking of removing the tunnel protectors as well but I'm still not 100% sure. I don't have studs or ever plan on studding the track. After every ride last year i had to get underneath with a broomstick chipping all the ice away. Do the tunnel protectors really make that much of a difference to ice buildup? It seems easy enough, remove the seat and drill out a few rivets. What about the protector on the heat exchanger, shouldn't be much of an issue with ice buildup?
 


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