Carburator

davism

New member
I am at that point in reassembly of my 150 hp Franklin that the carb is next. I have the 2 venturi MA3SP Marvel-Shebler and it has some AD's; one calls for checking to find loose venturis. Does anyone have advice re assembly kits, say gaskets, floats, needle valves? It has never caused any trouble and it passes AI inspection but it is off and available to be worked on.
 
My best advice is to spend the money, and send it back to Precision and let them go through it.. it will come back all updated, flow checked, and yellow tagged. You and your mechanic will be thankful in the long run.
John H.
 
John has a great idea, I overhauled a 150 Franklin for a guy in December, I sent the carb to my regular carb shop. He called back and said several key parts were missing, he seemed really surprised when I told him it flew in. We ended up sending it to precision and they said they thought it had a bowl from a lycoming carb on it. Apparantly the bowls have no serial or model number on them. It would not bench check proper fuel flow and was causing the engine to run way to lean at high power settings. Money well spent.................Greg
 
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