Bill Jewell Posted September 17, 2015 Share Posted September 17, 2015 Hello, I just had my Stromberg U-3 carb rebuilt for my 1930 Franklin and need to know what the float setting should be. I measured the fuel pressure and it is 6 PSI when the engine is running. Thanks for the help! Bill Link to comment Share on other sites More sharing options...
carbking Posted September 17, 2015 Share Posted September 17, 2015 The FUEL LEVEL in the bowl should be 9/16 inch below the top of the bowl at 3 psi. At 6 psi, it doesn't matter where or if you set the float, its gonna leak. Jon. Link to comment Share on other sites More sharing options...
Guest studepeople Posted September 22, 2015 Share Posted September 22, 2015 Sounds like you ar running an electric fuel pump......so now you need to regulate it to 3psi or less Link to comment Share on other sites More sharing options...
Guest newbymachineworks Posted September 22, 2015 Share Posted September 22, 2015 Or fix the mechanical pump. Link to comment Share on other sites More sharing options...
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