How do I get the boost to ride lighter

[TRS]

Guys are jacking up the FTS spring, moving the front torque arm location down, adding a Khaos limiter strap. I’m wondering if the PRO length spindles would fix it all????
When I did a drop and roll on a turbo Pro the front end got way to light. I installed AXYS spindles and it tamed the sled down tremendously. Would going back to the PRO spindles………fix this heavy feeling front end cheaply?

 

[Teth-Air]

Guys are jacking up the FTS spring, moving the front torque arm location down, adding a Khaos limiter strap. I’m wondering if the PRO length spindles would fix it all????
When I did a drop and roll on a turbo Pro the front end got way to light. I installed AXYS spindles and it tamed the sled down tremendously. Would going back to the PRO spindles………fix this heavy feeling front end cheaply?

A few years back I put offset ProRide spindles on my 2016 AXYS. I really liked it narrower and lighter. The only downside is the less clearance.

 

[Buz]

A-Arms have adjustment holes??

Ok you got me; should have said drop the front torque arm. Just a cheap fix for old farts.

 

[mt.sledder]

Guys are jacking up the FTS spring, moving the front torque arm location down, adding a Khaos limiter strap. I’m wondering if the PRO length spindles would fix it all????
When I did a drop and roll on a turbo Pro the front end got way to light. I installed AXYS spindles and it tamed the sled down tremendously. Would going back to the PRO spindles………fix this heavy feeling front end cheaply?

How much shorter are the pro length spindles?

 

[chevy_man]

How much shorter are the pro length spindles?

About 1".

 

[TRS]

Here is a pic.

 

[Murph]

...., plus the lower compression pistons .......

Pistons/ heads same compression ratio.
Different part numbers are for more material in piston dome.
Different part number in head for different size cooling port to Throttle bodies-- head volume, comp ratio are the same.

 

[sledhead_24_7]

Agreed.
I think a Cut down doo 3” track is the answer.

A friend of mine put a trimmed down 3” Doo track on his Boost. Really likes it, over the 2.75 Polaris track.

Also the new Lynx track is also a 3.5” pitch.


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[nytro41]

My polaris feels way lighter after doing a 3" ski doo track. now jst in the process of making the power it needs!!

 

[diamonddave]

Guys are jacking up the FTS spring, moving the front torque arm location down, adding a Khaos limiter strap. I’m wondering if the PRO length spindles would fix it all????
When I did a drop and roll on a turbo Pro the front end got way to light. I installed AXYS spindles and it tamed the sled down tremendously. Would going back to the PRO spindles………fix this heavy feeling front end cheaply?

Khaos limiter and revalve shocks is all that’s needed for a Pro Matrix. Perfect balance between the 2 sleds.

I know you know this Tony but Cranking up FTS is a test to confirm next steps. Not a fix.

We went through the same changes going from Dragon to Pro. Excuse me while I pat myself on the back from my last years spring ride impressions of the Matrix.

Coil packs are now a thing too. Spongy throttle response, fouling plugs. Are they buying them from the same vendor as Honda vehicles?

You can lead a horse to water…..but like horses, people don’t always comprehend English.

 

[TRS]

I ran a 11” 175# RTS spring today with 2 turns of preload. Works very well.

 

[Scott]

I ran a P85 on my boost again today. All I can say is all smiles.

Apples to apples, what did you do differently in the setup?

 

[TRS]

Scott,
Spring rate along with weight profile. (TRS weights)

 

[Squirreler]

Toby got the air flow fixed and dropped boost temps 30*. Tractor boot and a BD frogskin filter. I’ve been running it. View attachment 387549View attachment 387550

Is there a part number for this tractor boot? And does a person need to worry about getting the intake tmap sensor into the boot or is the stock location still good enough?


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[Sheetmetalfab]

Toby got the air flow fixed and dropped boost temps 30*. Tractor boot and a BD frogskin filter. I’ve been running it. View attachment 387549View attachment 387550

What squirrel said ^^^^^

Or have you come up with a better solution?

 

[TRS]

Toby is offering them for sale.
The MAP sensor is moved to the cage. He has a short harness in the kit to accomplish that.

 

[Sheetmetalfab]

Toby is offering them for sale.
The MAP sensor is moved to the cage. He has a short harness in the kit to accomplish that.

Who is Toby?

 

[gp800]

Who is Toby?

Toby Shepherd, RMSHA racer. Shepherd Industries. His dad was one of the OG hillclimb race guys.

 

[TRS]

Shepherd Industries in Jackson MT.
Talk to Toby.
406-660-0005

 

[Squirreler]

Shepherd Industries in Jackson MT.
Talk to Toby.
406-660-0005

Thank you!


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