BYPASS THERMOSTAT UPGRADE (PREVIOUSLY $28 upgrade)

[LoudHandle]

Is there anyone who has one apart who could measure the t-stat rubber size? I'm at work for another two weeks so i can't, but ordering up the parts so its ready when i am. I'm thinking an o ring would work just the same there instead of an aluminum washer.

If that's a bad idea what size does the aluminum washer need to be?

My opinion is an Oring or the "U" cup seal ring without something restraining it from pushing into to ID is asking for trouble. I'm at work also right now so I can't measure it.

 

[fullboredragon]

I found the 1"x1"x3/4" tee at the local co-op hardware store for $2.50. Hope this helps. Also after a short ride temps were @116-122F with my RK DI kit. Before was like 138-140. Going to install the proper weights today and put 60 miles on around home AB CA

 

[snobyrd]

Is there anyone who has one apart who could measure the t-stat rubber size? I'm at work for another two weeks so i can't, but ordering up the parts so its ready when i am. I'm thinking an o ring would work just the same there instead of an aluminum washer.

If that's a bad idea what size does the aluminum washer need to be?

if all else fails, cut the top and bottom hoop ,removing the guts of the stat, thats wat i did

 

[96sherm]

if all else fails, cut the top and bottom hoop ,removing the guts of the stat, thats wat i did

What I plan to do also...

 

[gopher-it!]

It works

Installed the kit in my 2011 std rmk with a fastrx cfi1000. Temps are 113-120 on a hard pull . Works perfect, thanks for all the info!!!

 

[TRS]

Please don't use a plumbing tee, it will collapse under heat. Find one made of nylon.

Washer dimensions for thermostat replacement.
OD 34mm
ID 27mm
thickness 1mm

 

[Eivel]

jfyi stogans in gp got a few of these doo stats but no tees, mountin view in Dawson creek will have one in for me this week. but I don't need it now cause I got one at stogans, I also used the stock 1"90* hose , I didn't join it, just rotated it, so I only needed a 1" x3/4" tee and I made that myself since welding is my trade. so really all a guy needs is a tee and a 3/4 90* hose. thanks to TRS for thinking outside the polaris box.
jeff

Do you have any pics of your install?
Having a hard time sourcing the parts needed.....

 

[beamslayer]

Thanks TRS I am purchasing a tee from BPR after much internet time I found no tees of that size that would stand heat . There are no tees in the west they all are back east in a warehouse they have 10 in Georgia go figure . I tried telling the local Doo dealer he should think about stocking some but feel on def ears.
It would be alot easier if you would just market them as a kit . Not all Napa stores carry the gates clamps or the hoses and some are just mystified when you ask for the clamps .

 

[m1kflyingtiger]

I'm having a little trouble seeing it, with the 8205 hose is the 1" coupler and a set of clamps no longer needed?

 

[LoudHandle]

Thanks TRS I am purchasing a tee from BPR after much internet time I found no tees of that size that would stand heat . There are no tees in the west they all are back east in a warehouse they have 10 in Georgia go figure . I tried telling the local Doo dealer he should think about stocking some but feel on def ears.
It would be alot easier if you would just market them as a kit . Not all Napa stores carry the gates clamps or the hoses and some are just mystified when you ask for the clamps .

From memory the EDGE chassis 600's used a "T" like you are looking for with the 3/4" branch, and they may still on the newer sleds. Worth a quick look at the online parts sites? My still be able to source one locally?

 

[beamslayer]

Good memory LoudHandle . #7052087 fits 98 440 xcr up until 2003 600 .1"x1"x3/4" tee

 

[96sherm]

Completed this modification last night. Those Gates hose shrink clamps are awesome!!! Hopefully get out for a rip this weekend to see what the difference is.

 

[TRS]

Good memory LoudHandle . #7052087 fits 98 440 xcr up until 2003 600 .1"x1"x3/4" tee

If my memory serves me right, I think it is a 1" tee. 1"x1"x1". Hose from the bottle was 3/4" and had a 1" slip on the end for the tee.

 

[429dhm]

Any thoughts on the Terra Alps setup?

It looks simple but I imagine the aluminum housing could get heat soaked.

http://www.terraalpsracing.com/product/thermostat-kits

 

[m1kflyingtiger]

Looks like it will do the same thing for $200 more.

 

[mountainhorse]

Looks like the Engine Tech Billet thermostat housing for the Ski Doo, but comes with a hose.

http://www.engine-tech.com/shop/product_info.php?products_id=48

Good write up on DooTalk about the billet t-stats
http://www.dootalk.com/forums/topic/274906-xp-free-hp/

 

[mountainhorse]

On second look... the TA Thermostat is bigger... He goes through a lot to show the features in his FB page

http://www.facebook.com/home.php?re...5554628.127094.175835182461439&type=1&theater

Click on the pic and it will run you through a series of pics.

 

[Race]

I like the idea of more flow with the Tara Alps, but only with only 7.35 Liters a minute difference between TA's and BRP's stat (33.4L TA vs 26.05L BRP per min.) and with the TA's FaceBook pics showing both the TA's and BRP's stats opening at 120* (at 110* BRP's starts to open and Terra Alps almost fully open) when do you start applying the cost benefit into the equation? With GoHiSK1 experience with the BRP setup (that it worked for him), I think that the BRP stat is the more economical way to go, I also like the clean install TRS did, especially the look of those gates hose shrink clamps.

Went back and reread all the recent posts and did see that DITCH1000 did post running temps before and after the BRP mod.
I have witnessed the exact same readings on my 2013 PRO after the BRP Mod.
The following information is from back to back running conditions within about 2 hrs. and the same air temps. and the same snow conditions.
With Stock Polaris set up engine temps running in 6-8 inches of fresh snow are between 125 and 137+ F.
With the BRP setup the temps are showing 105 to 109 and holding steady.
Very little fluctuation even after repeated short full throttle runs.
I can verify what TRS and GEO have said about cool engine coolant temps and improved engine performance.
My sled is a totally different animal. Can now hang skies even with the 174x3" track . Not like a short track Ski Doo but have never experienced this on my Polaris Pro before.

 

[mountainhorse]

I agree... For this mod... The Stock Doo part is a lot of "bang for the buck" in comparison.


.

 

[96sherm]

Has anyone checked to see what the flow rate difference is between the stock Polaris system and the BRP mod system?