| ab4875 | -- 05-22-2014 @ 3:32 AM |
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The thread on the fuel port on my Holley 59 carburettor looks a bit marginal. Do people normally put a Helicoil in here when the thread has gone? It's 1/2" UNF. I'm not sure whether to do that or just tap it out to the closest NPT thread. Also, I bought a new reproduction fuel pump and the fuel line olive doesn't seat properly on the fuel out port. Has anyone else found this with new pumps? The chamfer in the pump housing looks ok but it leaks when the engine runs above idle. I'm thinking about just changing it to an NPT thread.
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| ken ct. | -- 05-22-2014 @ 6:02 AM |
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First of all you have put a block on contacting you. Second of all using a heli-coil on any of those threads in a NO-NO it will pull out eventually.Their is a fix with an OS added fitting that will screw into the carb hole and theline fitting will screw into that.I just sent a fella my last one. They are almost impossible to find. Their obsolete now.Same problem with the China made [cheap] FP's are in the same category. Improperly made holes,too strong a spring under the diaphragm,andpoor quality rubber in the diaphragm + valves. Call me if you want more info. ken ct. 1-203-260-5945 cell.
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| TomO | -- 05-22-2014 @ 7:32 AM |
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Send the fuel pump back to the vendor. That is the only way to curtail the dangerous parts that are being sold. A fuel leak is a very serious problem and should not be tolerated in a new part. Try the Offenhauser fuel pump fuel pump sold by Speedway Motors. I have had good luck with them. http://www.speedwaymotors.com/Offenhauser-1934-46-Ford-Flathead-V8-Fuel-Pump,25028.html Tom
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| hco41 | -- 05-24-2014 @ 8:32 AM |
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Get ahold of charlie ny on the Ford Barn forum. He may have rare fitting referenced above. I know he has had experience with junk reproduction fuel pump misalignment of inverted flare and threads. He can fix pump and has special material he uses to make ethenol impervious diaphrams.
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