Hurricane turbo intake upgrade

[Phatboyc]

Does it need a second hose clamp compared to stock? One to keep the silicone tube holding on this new plastic intake tube and a second clamp to hold it to the turbo side?

 

[REDLINE 1]

Does it need a second hose clamp compared to stock? One to keep the silicone tube holding on this new plastic intake tube and a second clamp to hold it to the turbo side?
View attachment 177645

I used the original clamp on the turbo side and added a second clamp on the intake side (so two clamps on the silicone coupler) but didn’t crank it down very tight I didn't want to distort or break the plastic extension tube

 

[fatchance]

It's a nice tight fit. It's on the intake side so just a light bead of silicone if anything on the coupling to the original intake tube

 

[Srxspec]

Sled in the video ran 147.xx yesterday on 1000' speed run. Hopefully we can find 3 more mph yet with a little better track conditions.

 

[74Nitro]

Sled in the video ran 147.xx yesterday on 1000' speed run. Hopefully we can find 3 more mph yet with a little better track conditions.

Wow, that's moving.

 

[DMCTurbo]

Sled in the video ran 147.xx yesterday on 1000' speed run. Hopefully we can find 3 more mph yet with a little better track conditions.

That's impressive!

 

[Stubbs]

Sled in the video ran 147.xx yesterday on 1000' speed run. Hopefully we can find 3 more mph yet with a little better track conditions.

Did you tighten the track????
The comments on your Faceplant had me howling Allen.

 

[Srxspec]

Did you tighten the track????
The comments on your Faceplant had me howling Allen.

Most people have absolutely no idea what their track looks like under their sled during acceleration!

 

[MrSled]

Most people have absolutely no idea what their track looks like under their sled during acceleration!

I have no desire to hang out under there either to watch the track go round and round let alone to get some fat old guy stuck in it.

 

[earthling]

Most people have absolutely no idea what their track looks like under their sled during acceleration!

The track is probably the single biggest source of driveline inefficiency. With ~50% of the available crank HP being lost to the drivetrain, its worth understanding more about what is happening at the track.

 

[KnappAttack]

The track is probably the single biggest source of driveline inefficiency. With ~50% of the available crank HP being lost to the drivetrain, its worth understanding more about what is happening at the track.

Thats a fact.

When Willie Ewing set the 24 hr record with 2125 miles in that record run. The Arctic Cat engineers were onsite with their heat sensing cameras. When Willie came in for fuel, they recorded temperatures on the track that found they were equivalent to the drive belt temperatures. Keep in mind the track is being cooled by the snow and melting water being flung about under the tunnel! That will give you an idea that the track is the biggest culprit in where the power loss is going at an 88 MPH average. The clutches and chain case is very minimal in comparison. Put a wheel and slick under the tunnel and go run it on the asphalt drag strip and compare it to a track to see how much is being robbed, or go from a track dyno to a wheel dyno. You'd be surprised how much power the track really robs vs a wheel and tire. Takes immense power to spin that track!

 

[1nc 2000]

On the pro 5 f3 sled i helped out with back in the late 80's we ran a track that was single ply. We called it the 100mph track that was designed for the 340 sport indy power.
It rolled pretty free for what we had back then.
It was fast for sprint racing but when we ran for the pole at the soo I500 it started to come apart at the higher speeds.

 

[Srxspec]

On the pro 5 f3 sled i helped out with back in the late 80's we ran a track that was single ply. We called it the 100mph track that was designed for the 340 sport indy power.
It rolled pretty free for what we had back then.
It was fast for sprint racing but when we ran for the pole at the soo I500 it started to come apart at the higher speeds.

I just recently setup a stock 2001 Yamaha SRX for 1000' speed runs. Using a different track and different studs, backers, and t-nuts we were able to remove 5.25 lbs of rotating weight from the track. That added up to 4 horsepower from 90 mph + on the track dyno with no other changes.

 

[1nc 2000]

Thats a fact.

When Willie Ewing set the 24 hr record with 2125 miles in that record run. The Arctic Cat engineers were onsite with their heat sensing cameras. When Willie came in for fuel, they recorded temperatures on the track that found they were equivalent to the drive belt temperatures. Keep in mind the track is being cooled by the snow and melting water being flung about under the tunnel! That will give you an idea that the track is the biggest culprit in where the power loss is going at an 88 MPH average. The clutches and chain case is very minimal in comparison. Put a wheel and slick under the tunnel and go run it on the asphalt drag strip and compare it to a track to see how much is being robbed, or go from a track dyno to a wheel dyno. You'd be surprised how much power the track really robs vs a wheel and tire. Takes immense power to spin that track!

From reading the articles when they did This is why I put my ice scratchers down on good trails when running at the higher speeds.
Running a 1.5 lug I am trying to keep the lugs from coming off...

 

[REDLINE 1]

Anyone else seeing this. The coolant hose / fitting above the intake tube seems to be interfering with the turbo inlet. I was worried it may rub thru. I ended up heating it up with a heat gun and molding a dent in the inlet for clearance. Gonna keep an eye on it.