The Raptor 3 can be run on gas straight out of the crate. While Colin
(9) learned last year, I kept in a purple restrictor. The last event of the
season, I pulled it and cut him loose. He still had a muffler, so a straight
pipe would add yet a bit more power.... (Now I need to get him off of the
10 year old tires... <g>)
The best thing is the price. If you look hard you can find one for under
$300.
Anyone interested can send me a direct inquiry and I'll find you an internet
link. I'm told they come in two varieties: Aluminum bore and iron sleeved
bore. I wanted the iron one for longevity. The engine runs cool. I don't
recall
seeing even 220 CHT.
We change the oil a lot. Since the engines are not governed, they can twist
themselves into destruction if too short a gear is run. I also lucked into a
source for as many new stock rod and piston assemblies I want for $40.
The seller prepares new motors for modified classes without ever firing them
first.... A Briggs parts bonus for me!
Alan Sheidler
F125 for me...
Spec FJr (for now) for the boys
Rick Crowe writes:
> Subject: Re: Jr. Cart rules
>
> 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
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