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Posted by Rider on December 21, 2007, 4:24 pm
Mike Corey wrote:
> ricortes@earthlink.net (Rick Cortese) wrote:
>
>
>>Can you point me to where the 350cc class
>>requirement is so I can remember it for future
>>reference?
>
>
> Be glad to. A new class was formed in 2007 at the yearly Antique /
> Vintage National Half Mile held in Davenport Iowa the friday before
> Labor Day. It's called the "250cc two stroke / 350cc four stroke" class.
Thanks for the info! Makes me jealous since I am out on the left coast
and won't be able to have a look see. I love the old bikes!
Congrats on finding a flexible promoter too. That is the most reasonable
compromise on 4 stroke vs. two smoke I have seen. The current 125 vs.
250 or 250 vs. 450 in MX or AHMRA rules should go to school on this.
Only other thing I have heard and I am sure you have heard it too is
welding up pistons crowns to increase compression and change combustion
chamber shape. It has been so long since I have read anything about it I
assumed the newer alloys make it impossible.
Rick
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