Carburetor/Fuel Pump Issues
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Carburetor/Fuel Pump Issues
I have a 76 Ford Ford F100 with a 302 with a Motorcraft 2100 Carburetor. My issue is when I start to drive down the road and "shower down" on it, the truck bogs. I can feather through it and accelerate a little more but it wants to run sluggish at around half throttle.. The carb is like new and have replaced the fuel filter and had a little trash in it. I went ahead and pulled the carb apart and found only minimal debris in it. I have adjusted it every way possible and still the same thing. Could my fuel pump possibly be going bad and getting weak?
Postmaster
Joined: Oct 2010
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From: Northern and Southern Cal
It could be but I doubt that is the cause of your truck falling on it's face when you jump on it.
You said there was debris in your carb.
Sounds like a rebuild is in order.
You said there was debris in your carb.
Sounds like a rebuild is in order.
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Yeah it was very minimal in the very bottom and otherwise the carb was very clean and is only like 5 or 6 months old. I replaced the fuel tank also. The engine was rebuilt a couple months ago, and I put a new distributor cap, rotor button, plugs and wires so just trying to narrow it down. The only thing that I hadn't replaced was the fuel pump which is probaly 20 years old and the truck sat from like 95 till recently when all this stuff was done.
Postmaster
Joined: Oct 2010
Posts: 4,656
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From: Northern and Southern Cal
Ok so everything is fairly new, cool.
Remember though that when you step on the gas you are using the fuel already in the fuel bowl so the fuel pump is out of the immediate equation.
Now, along those lines, the float in your fuel bowl could be (I said could be) adjusted to low.
Regardless I would start with carb adjustment assuming everything else is correct.
When you look down into the throat of the carb and give it gas with your hand do you see fuel being shot into the throat?
Remember though that when you step on the gas you are using the fuel already in the fuel bowl so the fuel pump is out of the immediate equation.
Now, along those lines, the float in your fuel bowl could be (I said could be) adjusted to low.
Regardless I would start with carb adjustment assuming everything else is correct.
When you look down into the throat of the carb and give it gas with your hand do you see fuel being shot into the throat?
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