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Old 03-07-2011, 06:56 PM
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fishguts fishguts is offline
Motorized Bicycle Elite Member
Join Date: Sep 2010
Location: southeastern MA
Posts: 313
Default Re: Something new and kinda sorta 100 years old looking

Originally Posted by Ted View Post
Looks good but you may have to lengthen out the tube to the filter and maybe make the holes a little bigger, reason being the piston displaces X amount of air/oil and if the tube is long enough the outgoing air/oil will still be in the tube as the piston rises letting the crank case breath but not push the mixture out the holes and the reason that you may have to make the holes bigger would be to let the mixture out without putting it under pressure, once you get it running it will be clearly evident if you have to do this.
I was wondering too if the holes are adequate, but there isn't much of an opening in a stock carb either. I guess I could do the math, but you know, if it isn't enough I bet it just pops that press-in tube cap right off. If it doesn't, then I'd say we're all set. How's that for scientific?
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