[Fot] Porting and Polishing (and engine building tips in general)

[Tony Drews]

One of the circle track motor building articles I read showed the top 
of a piston that had been dimpled (looked like with a center 
punch).  The idea, as I recall it, was to promote more "swirl" in the 
combustion chamber.

- Tony

At 02:10 PM 2/28/2009, Terry Stetler wrote:
>Perhaps the term "port shaping" would better describe what is necessary?
>
>Also, it would seem that if you could put a uniform surface texture along the
>entire port, that would guarantee laminar flow, much as the dimples on a golf
>ball do, that would be the way to go.  But now we are getting into the black
>arts, and gray areas of the GCR, etc...
>
>Terry Stetler
>_______________________________________________
>Support Team.Net http://www.team.net/donate.html
>
>http://www.fot-racing.com
>
>Fot mailing list
>Fot at autox.team.net
>http://autox.team.net/mailman/listinfo/fot