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Discussion Starter · #1 · (Edited)
Hey Guys,
This is my CVT Blower install mod,
The Can Am kit is about $300,
I did this for under $80,

Purchase a Attwood 4" Turbo in Line Blower, I got mine on ebay,


You'll need two 4" to 3" rubber reducers Spectra P/N 9761,
I got mine from Jegs
This is a pic of the reducers and the fan,


Reducers installed on the fan


Now, remove the CVT filter cover and remove the filter, then remove the rubber filter housing, then remove the duct that goes from the filter under the dash to the side wall...where your right knee would be sitting in the drivers seat. Do not damage the rubber coupling that connects the under dash duct to the duct that sticks out of the side wall. You will need it.

Now remove the side wall where your left knee would be sitting in the passenger seat.
Once the side wall is removed you will see the CVT duct from the clutch case going forward and up under the dash.

Cut this duct with a hack saw blade and remove upper portion,
You can get an idea where to cut from this pic, I already installed the rubber coupling I said to save, its a perfect fit,


On this removed upper portion cut off the attach tang, and cut / groom it similar to this pic,


Flip it 180* from how it was installed and reinstall it,


You might have to do some more fitment till it lines up like the pic,
Here the clamps are installed,


Line up and mount the fan,


I purchased 3" flexible ducting with couplers on ebay,


Install the ducting, take some measurements and cut a 4' hole in the side wall, with the wall in place it will look like this,


I wired mine to a switch in the dash with a 5 amp fuse.... Done !!
 

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Very nice!! Was thinking about doing this too. I want to put a temp sensor in the CVT box so it turns on and off at a preset temperature on its own.
 

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Discussion Starter · #3 ·
Ya know I thought about the same thing, then I decided not to get too complicated.
I'm just gonna hit the switch when I start the thing !!
Simple !!
 

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Very Cool! (pun intendid)

Very cool and great write up.....
You might not ever be Commander of the month but you should definitely be considered for "Tip of the Month"....what an idea!
 

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Gregg...that's big time...outstanding post. Thank you for that. This will be getting done very soon.
 

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Hi Gregg, nice wright up an pictures. I do have one question. Why did you reduce the intake on the blower ??? Shoe
 

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Discussion Starter · #7 ·
Shoe,
I used a reducer on the intake for two reasons...
#1...Because to me the fan seemed too exposed without it,
#2...I wanted to balance the intake & exhaust, believe me, this thing moves a
lot of air !! I couldn't detect any discernible difference in air flow with it off.
Also IMO I think the mod looks better this way, obviously the intake reducer can be removed.
 

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Discussion Starter · #9 ·
Excellent idea, thanks.
 

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So is that routed to the passenger side of the car now? And with the extra air going in is there any need to modify the exit?
 

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That is a real good write up and pics. My buddy did the same thing a few weeks ago but I'm waiting to see how much water he sucks into the CVT housong with the blower instal. It seems we are always in the water and mud here. Looks like a great mod though.
 

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Discussion Starter · #13 · (Edited)
Sid450,
I did not mod the CVT exhaust, I didn't think it needed to be,
I gotta tell you it sure seems to move plenty of air.
I estimate there is approx 3 times more air moving thru that CVT housing,
I'm going to leave the exhaust it as is.
 

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That's a great idea but I would definitely suck up some muddy water
 

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Discussion Starter · #15 ·
Wow !!
Really ?
Mud & water up to the glove box ??
Not for me :))
 

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Is the fan quiet? Dont need anymore cab noise.
 

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and the wonder why they break down?
never have had any problems out of my commander. its not like i drive under water constantly its just where i ride we have to cross some deep streams and yes i do hit some of the mud holes also wasnt knockin the idea i actualy plan on doing it i just need it a little higher
 

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Discussion Starter · #19 ·
With the engine running the fan cant be heard.
 
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