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08-02-2012, 02:29 PM | #1 |
Senior Member
Join Date: May 2010
Location: Napanee ontario Canada
Posts: 395
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%% electric p ump
When i put a clear plastic hose on the gas line after the filter about 8 inches from carb on my 55 272 cu in it takes about 20 seconds before fuel starts to comefrom my eectric pump and even then almost no pressure..When fuel comes it seemto come in spurts like 6 in of fuel then an air bubble about an inch long another 6 in fuel another air bubble...The same type pump works great on my 36 flattie but the one on the 55 does not help for starting and it is installed as on my 36..Both are Macs pumps THNKS in advance Ford coupe
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08-02-2012, 04:07 PM | #2 |
Senior Member
Join Date: May 2010
Location: Star, MS
Posts: 4,024
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Re: %% electric p ump
I would first disconnect the hose from the carb and put it in a container and run the pump to check output. If you are pushing fuel through a mechanical pump, disconnect on suction side of pump. If it is still inconsistent, look for air leak between pump and tank. The pump should be mounted lower than and close to the tank. Next, install rubber hose from suction side of pump to fuel in container and run/check again. You have to eliminate as many possible causes as you can to isolate the pump to see if it is defective
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08-02-2012, 04:24 PM | #3 |
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Join Date: Jul 2011
Location: Redondo Beach, CA
Posts: 5,849
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Re: %% electric p ump
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