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Lets see your old twins and triples...

joshkoltes

Well-known member
Lifetime Membership
Dec 16, 2007
3,842
1,170
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ranchester, wy - nashua, mn
tcat

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S
Feb 14, 2012
40
5
8
Yep, just finished the rehab of my 00' ZRT.

144xx2x15 track
136 rails w/144 extensions
Tunnel extension
Rear heat exchanger fab & install
8 tooth drivers
Wahl Bros antistab kit
Relocate suspension mounting brackets
Slydog Powderhound Skis
New factory seat cover
New fuel lines
New cooling lines
Mbrp race can
Cleaned & tuned carbs
3" truvert handle bar riser
Vent screen kit
Cobra windshield
Hand guards
Handle bar strap
Tired of typing, I'm sure there's more!

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Triple_trouble

New member
Lifetime Membership
Dec 13, 2010
14
2
3
42
Marquette, WI
Here is the seat idea that I have found. I need to find myself a good used seat for cheap to do this to mine. I am kind of on the fence on ripping the 144 off the zrt and doing a long track with my zr700 that I picked up. Might take a season off snowmobiling. Guess it depends on the snow.


http://www.arcticchat.com/forum/pinned-topic-area/326216-seat-modifications-zl-zr.html


I am still looking into doing a drop and roll but the actual job isn't something most of the guys I know are aware of. They mostly just run flat land and lake race. That is not my cup of tea.
 
I'll have to take a look at that thread later, thanks for the link. I'm kinda tall at 6'3", so I'm interested in fairly tall seats for it.

we did a drop and roll on my tcat/ZRT800. I still have some decent pics of it somewhere. it was a bit of work, but well worth it. Turned out to just take some ingenuity and a couple of those 3 bolt bearing supports and bearings to make it work. small amount of welding for the jack shaft mount, which also goes through the inside of the tunnel on the new setup. I could clear a 3" track on the sled now though using I believe wahl 3.0 8 tooth extros.

just found out the shock is locked up on the suspension... stinkin polaris junk ;)
 

Triple_trouble

New member
Lifetime Membership
Dec 13, 2010
14
2
3
42
Marquette, WI
http://www.cardomain.com/ride/2437306/1999-buick-regal/page-6/

the link above is to my cardomain where I have all the pictures of the build process, including some of the drop and roll.


I have followed those pictures. I really do like what you did with yours (except for the poo poo parts) and would love to see it up close some day.


This is what the seat mod comes out to look like....

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I think this is perfect for the rider forward and stand up riding style as well as an easier transition from seated to standing.
 
S
Mar 5, 2013
2
1
3
2000 825cc P.S. with a few changes......

700cc bored to 825cc, dual carbs and pipes, aftermarket hood, tunnel & track (151" x 2"). I think that's it. Next on the list is risers and oval boring the carbs, possibly some head work, but she runs great as is.

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Reeb

Modding mini's
Lifetime Membership
Jul 5, 2001
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Twin Rivers
www.robinsms.com
I just realized I never put up the pics of my little bro's Snopro. Here's a few.

It started life as my 1999 Z440 Snopro. That would be the fan-cooled version.

I raced it for a few years in the JR Sno-X classes while my dad raced it in the Masters class. Then my sister raced it in the Junior classes after I moved up into Semi-Pro and liquid cooled sleds.

After racing, we put a 121x2 BigHorn track on it for a fun little ripper in the springtime. I was sponsored by RCS during sno-x and had a set of Ti springs for her from early on.

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My little brother was 7 or 8 years old when we decided to build him his own "Monster 440" out of the old girl. Keeping in mind that I wanted to put it back to stock once he was done with it. Considering I have all new hood, bellypan, bumpers, seat, etc etc for it. And it's a first year race sled so there's that as well.

First we started with some motor mods. Port and polish, reshaped the heads for more compression, installed a bigger fan housing, bored the carbs, installed UFO's, and ceramic coated the pipe and gutted silencer. I also used an SLP intake from Cat twins for this sled. The airbox was very similar but did have differences. So that was a small hiccup. But works extremely well so no issues.

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Then turned to the drivetrain and gundrilled the jackshaft and driveshafts. We had already trued the drivers and had a pretty phenomenal gearing/clutching set-up. Including balancing the clutches and using a Dalton helix and Ti springs.

Chassis wise, new M-series handlebars and Fly Racing risers with ODI grips and RSI elements. The steering post was already moved forward, but we wanted a better seat option for him. The width was the primary concern, so I went about designing a seat that was a bit higher, but mostly narrower. Also we turned to a friend of mine who bent up a tunnel extension for the sled. The hood was already quite light, but we added a few more hood vents and a Cobra windshield. Add some custom graphics and nobody could mistake this sled now.

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Then came the suspension, I used the chromoly front end from a KingCat which included the ACT shocks and Ti springs. This also narrowed the front end up so it was easier for him to handle. Slap on some SLP Powder Pro's and he was styling. The rear end is a combination of parts. 141" Cat rails and M7 arms and shocks with ti torsion springs. Billet wheels and ice scratchers. Wrapped that combo up with a 141x2.25 3P Camo Extreme.

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When we started with this sled, it crested 30+hp at the track on our trackdyno. After the mods we saw just south of 50hp at the rear wheels. Of course, getting that much power out of a fancooled sled requires race fuel and EGT's. And when riding at lower elevations, colder spark plugs and richer race fuel mixtures are used.

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hard to believe both of these sleds started out as '99 Snopro's. But here they are.
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More pictures in my 4M album here: Little Bro's Sled

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