Serious competition for all of you boost maniacs...

[Alatalo]

Doo 1200 Turbo prototype at 436 hp...
http://www.youtube.com/user/6y6t6?featu ... j5cduZVTq8
http://www.youtube.com/user/6y6t6?featu ... o-WTc77rtA

And one more dyno test...
http://www.youtube.com/user/6y6t6?featu ... 2uEAhHqWkc

 

[birkebeiner]

And one more dyno test...
http://www.youtube.com/user/6y6t6?featu ... 2uEAhHqWkc

Ha ha

 

[EsonPZ]

Erik Marklund on the leg dyno :exc: 1,2hp!

 

[birkebeiner]

Saw this in a norwegian sled mag recently as well. This one is running at 2 bar pressure, which related to 29 psi. It's sick! Just to give some comparison, a Porsche 911 Turbo runs at 0.8 bar pressure, and the most powerful Porsche, the 911 GT2 RS runs at 1.6 bar.

Link to the article (norwegian only though): http://motomedia.k2.no/article.jsp?id=433

According to the article, they have only changed the cams and to stiffer valve springs.

 

[Alatalo]

According to the builders:

* MCX 550 single entry charger
* Custom made exhaust manifold with separate wastegate
* 2.5" exhaust without silencer
* Custom made camshafts
* Custom made valve springs
* Ported cylinder head
* Cylinder head spacer
* Everything else box stock...

436 hp at 8500 rpm...

http://www.pixbox.se/alb_show_id1206416_page0.html

The mounting and the positioning of some components are a bit "prototypeish" simply because this is a prototype for turbo development.

 

[birkebeiner]

But, adding a turbo to a Ski-Doo doesn't really make it more reliable, doesn't get my vote

 

[brian73]

That's ok when that doo blows up to ill tow that home too with my yamaha 4 stroke

 

[ShootToThrill]

It's not that impressive after watching and seeing the numbers the One Stop crew has been putting out. 40+ psi on the boost.