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Old 09-07-2012, 12:09 AM
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sportscarpat sportscarpat is offline
Bonneville Bomber the Salt Flat record breaker
Join Date: Jun 2009
Location: california
Posts: 1,631
Default Re: vented gas cap leks fuel?

Originally Posted by Goat Herder View Post
So the tubes work better than constructing some kind of anti slosh baffle? Or do you two, Sports and culver incorporate both into the design set up?
A large anti-slosh baffle may work just fine, but I have not tried them yet. The small internal check valves, ones inside the breather of the cap, help but do not correct the problem completely. The external barb fitting and hose is really simple and works. I also find different engines have different vibration zones that lead to problems. The big four strokes, at least for me, seem to have venting issues low in the rpm range while high winding two strokes leak more at high speed cruise. I find the hose fix works well in both situations.
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