if I understand it right to me if you had a 1" tube with it being 3 inches silenced that is a total of 3 SQ inches so that means 45 holes. I as a tech guy would enforce it that way .

From what I understand is that the champ rules voted upon on the 26th are set in stone exept the weight rule. All these rules are set to take effect on the 2016 season and are frozen for 5 more years . At this point the weight rule is a trial at the 2015 eagle river WC and then will be reviewed next...

I have been following this post and some of the recent posts on this forum and sitting back and thinking about it a lot . I am all for a combined weight. right now the way the racing is or has been over the last couple of years is it is real tight racing but look at the majority of the drivers. Most...

motor is sold.

Pipes are still available

Xp race more 600cc
hand built pipes. complete with wiring harness ecm carbs.
Built by Larry Rugland.
have dyno sheets.

Call or text 715-556-1680

Pro Champ 440 Sunday Final 13, Nicholas Van Strydonk - Tomahawk, WI - 2012 Polaris 8, Travis Macdonald - Lockport, MB - 2009 Skidoo 28, Pj Wanderscheid - Sauk Centre, MN - 2012 Arctic Cat 355, Matt Ritchie - Minocqua, WI - 2012 Polaris 39, Brian Bewcyk - Winnipeg, MB - 2009 Skidoo 56, Ken Kitzman - ...

BUNKE racing

i agree with Terry! With the ORA we DO NOT allow any ethanol. We set the meter at -55 and if it is on the postive side it is illegal. If it is even between a -10 and 0 we will dig further into the testing because something is not right. Most pump fuel and race fuels i have seen that is totally legal...

why isnt sawdust used anymore. i have been told that it worked pretty good back in the day. it did keep the snowdust down from what i hear.

A person would be suprised how visible a round rotating flashing light is. you can see plow trucks pretty easy through snow dust with them on and rotating. I also agree with the use of radios. Why do you think nascar uses radios? Cars move so fast and with crashes and the smoke they go through alot ...