calling all engine gurus.

bertsmobile1

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The carbs for gravity feed and pump feed are different to account for different fuel supply pressures .
 

sgkent

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the only time fuel ends up in any crankcase due to the fuel pump is a perforated diaphragm. Usually it is a problem in the carb when gas is in the oil.
 

sgkent

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the only time fuel ends up in any crankcase due to the fuel pump is a perforated diaphragm. Usually it is a problem in the carb when gas is in the oil.
 

wheelie

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the only time fuel ends up in any crankcase due to the fuel pump is a perforated diaphragm. Usually it is a problem in the carb when gas is in the oil.
yes as I mentioned.. Wound up I had both.. Fixed the carb and still had the issue of gas in the crank case AND the issue of when running it would run smooth for a bit then start the popping and coughing and smoking.. and eventually shut down.,.. Carb was not doing that..
 
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