Aerocharger's Blog


New Model Year Testing by aerochargerandrew
December 15, 2011, 10:36 AM
Filed under: Uncategorized

In an effort to ever improve our products, we spent the last week testing new designs and preparing our RMSHA race sled for the upcoming season.  The first day was spent with Lynn Felker of Felker Motorsports in Loveland, CO working on new ideas and changing components on our Modified race sled.  The biggest change we made was in the skid.  As I am sure that all of you Ski-Doo owners out there know, ski lift with a turbo is insane and uncontrollable.  To improve on this situation, we installed the new Timbersled Mountain Tamer skid with Z-Broz Exit shocks.  To further improve the race handling, we changed out the handle bars and riser to make racing the sled much easier.   We also made a few other small changes to improve rider safety while racing.  Not only did our changes today help the handling of the sled we also lost another 15 lbs from the chassis; it now weighs 475lbs wet.

After a day of changes and new ideas we spent the rest of the week testing all of our products, including the mod sled.  We were very happy with the results.  We played with the clutching on the Polaris RMKs to find a setup that works great and controls the detonation associated with over revving the engine.  We also tested our air to water intercooler.  The system worked well and controlled the inlet air temperature keeping the sled very consistent.


We spent time with the new E-Tec, again the first thing we had to check with was the clutching setup.  With the new gearing this year, we can’t recommend our old clutch setup for the 2012 sleds.  We also spent a lot of time checking the tuning and our R.A.V.E. setup.  This also proved to work well without making changes to our system.

We did more testing with the new Arctic Cat M800.  Overall, we were happy with the way the sled ran.  The intercooler worked very well and never caused any overheating issues, even when we were trail riding on pavement as much as snow on the way to the hill.  While we were happy, it’s not perfect yet and were are going to make a few changes before we release the kit.  I expect it to be ready after the beginning of the year.


After we were done testing with all of our production turbo systems, we broke out the mod sled.  The new skid worked amazingly well, especially when compared to the stock skid on our Summit.  It even made the Freeride look stupid, keeping the ski’s planted.  Right now the shock setup isn’t right but we will have Nate and the boys over at Z-Broz re-valve the shocks for us lowering the compression so that we can dial in the coupling adjustment on the Timbersled skid.  Along with the shocks, we have a couple of other things that we want to change to make this the best sled on the hill.

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