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  #1 (permalink)  
Old 10-23-2002, 05:40 PM
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Post Fuel Pump

I'm trying to get a better understanding of the fuel system in my '66 Nova. Its a '72 sbc 350. I noticed that there is no fuel pump installed on the lower right hand side of the block, where it should be. (or on the left side, for that matter). There appears to be a mounting spot for the pump, with four bolts (actually 3, one's missing) but no pump.

Does this mean the guy before me replaced the original mechanical fuel pump with an electric one? Why would he do this?

Where the heck is this thing? I looked as far as I could towards the fuel tank, and the only object I see on the fuel line is what appears to be a connector of some sort, made of rubber - - it looks far too small to be the pump. Any thoughts?

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Old 10-23-2002, 05:47 PM
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Its gotta have one if it will run, try looking in the tank.
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Old 10-23-2002, 06:01 PM
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Forgive me if I sound naive, but having an electrical device in the gas tank seems somewhat dangerous!
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Old 10-23-2002, 06:38 PM
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Follow the yellow brick road..or just trace the fuel lines until you find the pump. If the motor cranks, it has a pump somewhere.
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Old 10-23-2002, 07:07 PM
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I can tell you that's not a stock fuel system. But if you can follw the fuel lines from the carb to the tank and don't see anything it must be in the tank. But having fuel pumps in the tanks isn't as dangerous as it sounds. The pump rest in a sealed compartment from the fuel. But the cool temperature helps cool the pump(overheating) therefore extending the life of the pump. If this is so try not to run this system on a low fuel level with in mind that the fuel helps cool your fuel pump!
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Old 10-23-2002, 07:53 PM
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good evening, yea it sounds like you have an electric pump follow the above advice and follow the fuel line back from the carb if you dont see it its in the tank. to be sure just have someone put the key in the on position and listen at the back of the car you may here it turn on just don't leave the key on to long or you will flood your motor.
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Old 10-24-2002, 05:11 PM
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Can't be that dangerous, they've been putting electric fuel pumps in the gas tank submerged in fuel since they started using fuel injection. The electrical components are all sealed and connections use waterproof connectors.
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Old 10-24-2002, 06:43 PM
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This just came to me. Sometimes when the engine dies, but the ignition switch is still turned on, I hear a "whirring" sound coming from the back of the car. Could this be the (electrical) fuel pump?
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Old 10-24-2002, 08:49 PM
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Yep.
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Old 10-25-2002, 05:33 PM
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See if you can follow the sound.
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