Has vapor lock been a problem using auto gas?  Do you forsee any problems using this
engine and auto gas at high altitudes?

I am asking about torque because it does have some bearing on the overall engine/aircraft
performance as well as P-factor on take-off and other high power setting attitudes.

Thanks for the forum.  The discussions have been quite entertaining and improving my understanding
of this engine.

Mike Lilja

Mike:

I'll let others answer your other questions.  Vapor lock is a non-issue
when using the automotive-type high-pressure fuel-injection pumps that
return the excess fuel back to the tank.  That is the system that I use
and most others flying that are using fuel injection.  I suppose vapor
lock could still be a concern if you were using a carburetor and low
pressure pumps.

Perry

 
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