Clutch/belt temps

[jlinstruth]

Doing a little clutching to my winder, currently running excell primary weights with 3_2_0_0 for magnets, bronze Dalton primary spring, tp orange secondary spring with 33/35 helix at 60 degrees. With mod/stock can both clutches are around 110 to 120 degrees after 5 or 6 long pulls in 1 ft powder. Rpms 8600. Threw on dial a boost, turned up to 240 hp, same clutching, primary 120 degrees, secondary 150 degrees after 6-7 long pulls in same conditions. 8750 rpms. The extra heat tells me the secondary is slipping, also belt temp about 200 degrees. I am working to get more efficiency for aggressive trail riding with few long pulls, my skidoo 800 etec was only 105 degrees both clutches after day of hard riding. I am wondering if a 33 finish would cool secondary a little or if theressecondary springwith more finish rate, or if 6-1 wrap would increase finish rate, thinking this just changes starting rate.

 

[@123]

Doing a little clutching to my winder, currently running excell primary weights with 3_2_0_0 for magnets, bronze Dalton primary spring, tp orange secondary spring with 33/35 helix at 60 degrees. With mod/stock can both clutches are around 110 to 120 degrees after 5 or 6 long pulls in 1 ft powder. Rpms 8600. Threw on dial a boost, turned up to 240 hp, same clutching, primary 120 degrees, secondary 150 degrees after 6-7 long pulls in same conditions. 8750 rpms. The extra heat tells me the secondary is slipping, also belt temp about 200 degrees. I am working to get more efficiency for aggressive trail riding with few long pulls, my skidoo 800 etec was only 105 degrees both clutches after day of hard riding. I am wondering if a 33 finish would cool secondary a little or if theressecondary springwith more finish rate, or if 6-1 wrap would increase finish rate, thinking this just changes starting rate.

maybe you won’t believe me but try 50 degrees you are to stiff

 

[jlinstruth]

I have a 35/39 will try

 

[cannondale27]

Isnt 8750 rpm low for you guys? Always was told you dont lug a Turbo. Bad things can happen.

 

[jlinstruth]

max power at 8800, unless a tune is added, HP is 202 to 204 from 8200 to 8800

 

[cannondale27]

max power at 8800, unless a tune is added, HP is 202 to 204 from 8200 to 8800

OK thought guys with tune were shooting for 9000.

 

[jlinstruth]

8800, no offense, keep thread on track, clutching question to high temps

 

[cannondale27]

8800, no offense, keep thread on track, clutching question to high temps

That's why I brought it up. Sir.

 

[jlinstruth]

Sorry no tune in this sled, just dial a boost so peak rpms 8800, but there's more than adequate power down to 8200, at least according to dyno sheets

 

[Doowithblue]

Get some dalton or heavy hitter weights. Try again.

 

[jlinstruth]

Already have excell weights, adjustable, not quite as aggressive as tp weights

 

[jlinstruth]

Anyone check clutch temps with tune, are guys wrapping 6-1 to hit peak rpms

 

[stevewithOCD]

I will be testing next weekend. I have my tester in my handlebar bag waiting for a straightaway. I plan on checking all the sleds in my group at once.
I to am very curious. Wish i could run my Apex at the same time.

 

[Joe ltx-le]

I'm also running 33/35 helix with the dalton black orange spring. Stock primary.

I found after a few big pulls my clutches where relatively cool (no temp gun) but compared to all the other sled ( winders and 850 ) my clutches where the coolest.
I'm going to try the dalton straight 33 helix.
Keep you posted

 

[jlinstruth]

Wondering if a 35/33 might be the ticket