STM (supreme tool) valve tuning for 07m1000?

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rnigro84

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Feb 24, 2009

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Gunnison, Co

• Feb 15, 2013

• #1

does any one have any tuning suggestions for the STM valves for an m1000 for 8-12,000 ft. I have a used set on the way and dont know what springs to get for them. my friend runs skidoo 800 springs in his STM valves on his m7, and STM told me polaris springs fit too. Any ideas? I am also looking for a servo motor delete box from either bdx or stm, if anyone is willing to part with theirs i would be interested!

 

Last edited: Feb 16, 2013

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rnigro84

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• Feb 16, 2013

• #2

Does any one run these supreme tool valves in an m1000? what elevation? what springs?

 

D

Desperado

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Nov 29, 2007

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New Meadows

• Feb 17, 2013

• #3

Valves

I run them in My M8 and really like them. As for tuning that is up do you on when you want those valves to open. I have mine set so they open at about 6k. Put the sled on a stand and watch when the turkey baster teet starts to move. Adjust the cap so that both are starting to move at the same time. As for a spring I use a pretty soft one 2lb I believe. I believe you can order just the delete box from stm or bdx for about 65 dollars.

 

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rnigro84

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• Feb 17, 2013

• #4

Desperado said:

I run them in My M8 and really like them. As for tuning that is up do you on when you want those valves to open. I have mine set so they open at about 6k. Put the sled on a stand and watch when the turkey baster teet starts to move. Adjust the cap so that both are starting to move at the same time. As for a spring I use a pretty soft one 2lb I believe. I believe you can order just the delete box from stm or bdx for about 65 dollars.

Click to expand...

got a BDX box from a guy on hardcoresnowmobile, for $45, stm wanted $18 to ship. do you know if skidoo and polaris springs fit? stm said "I think polaris ons fit" what a joke!

 

tatorsalad

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• Feb 17, 2013

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ski-doo fit i use 600 ho springs in mine they are a little stiffer than the 800 ho springs get both and see what ones you like the best

 

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Desperado

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• Feb 17, 2013

• #6

rnigro84 said:

got a BDX box from a guy on hardcoresnowmobile, for $45, stm wanted $18 to ship. do you know if skidoo and polaris springs fit? stm said "I think polaris ons fit" what a joke!

Click to expand...

Yes and Yes both springs fit along with ones from slp. I have a doo spring in mine. Has a yellow stripe

 

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rnigro84

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• Feb 17, 2013

• #7

tatorsalad said:

ski-doo fit i use 600 ho springs in mine they are a little stiffer than the 800 ho springs get both and see what ones you like the best

Click to expand...

what altitude do you ride at?

 

tatorsalad

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• Feb 17, 2013

• #8

6-8 K

 

R

rnigro84

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Feb 24, 2009

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Gunnison, Co

• Feb 17, 2013

• #9

tatorsalad said:

ski-doo fit i use 600 ho springs in mine they are a little stiffer than the 800 ho springs get both and see what ones you like the best

Click to expand...

what year skidoo spring?