Wka Jr Classes run on Methanol which produces about 20% more HP. add to that
the allowed blueprinting and the restrictor motors can produce as much
as7hp. The WKA briggs animal also uses methanol and produces about 8 hp
without major blueprint work.
The spec junior for solo is commonly known as "gas class" which is a local
option(non sanctioned ) at many tracks. The Raptor engine is the best choice
for spec junior. The carb flows better than the off the shelf IC engines.
and has other performance features
http://www.briggsracing.com/racing_engines/raptor3.html
rick
----- Original Message -----
From: "Jeff Cashmore" <cashmo@spec-rx7.org>
To: "team.net" <autox@autox.team.net>
Sent: Sunday, December 23, 2001 2:05 PM
Subject: Jr. Cart rules
> Steven Volpp wrote... Does anyone know where I can find Spec Formula
Junior
> or WKA rules online? Will Spec Formula Junior AND Formula Junior be ran
at
> National Tours?
>
> Yes, both classes will be available at tours.
> http://www.moutons.org/sccasolo/Rules/kart.html#appendix%20H has them from
> the Solo II rule book. Our local kart track which uses WKA rules has
> different restrictor plates for different ages on Briggs carts. 8-12 year
> olds have a .425 purple restrictor, 10-15 year olds have a .575 gold
> restrictor. I email'd Howard and got this back.
>
> "For Spec FJ, we have never required a restrictor plate, regardless of
age.
> The "restrictor" is the stock configuration and that it runs on gas."
>
> I take this to mean that 8 year olds can run without the restrictor. To
> further complicate matters I don't believe the new Briggs Animal is more
> than a 5 hp motor. ie: you still have to run the Raptor.
>
> Jeff Cashmore
>
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