Anyone have any info on the best apex seals to use for aircraft use.
 Racing Beat says that the cast iron ones work fine for most street
engines.

Also does anyone have any information on modifying the rotor
housings for pports?  Such as location of ports, size of port holes,
any kind of drawings etc? Royce

There is an outfit in England called Hurley engineering that makes
some interesting apex seals. Some people like them. The link is on the
ACRE NL web site but here it is again.
http://www.hurley-engineering.ltd.uk/

You don't have a lot of choice on the P Port design because you kind
of have to squeeze it in between tension bolts.

The last one is an idea Ken Powell had for a variable timing P port.


Paul Lamar

Paul Yaw has port timing specs for all years (including the factory P ports).  Really
intersting site.

Ken Powell

http://personal.riverusers.com/~yawpower/

 
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