Holley 1904 carb problem help please
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Tuned
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From: Seguin
Holley 1904 carb problem help please
I have: 1959 Ford F100 223 ci 6 cylinder engine with a Holley 1904 carb
problem: balance tube overflowing
tried: adjusted float level slightly down - still had problem
inspected needle and housing - looked very clean and smooth
next thing to do: check fuel pump pressure
carb was just overhauled and runs great until balance tube overflows within a minute.
Any suggestions please? Thank you for all. Chris
problem: balance tube overflowing
tried: adjusted float level slightly down - still had problem
inspected needle and housing - looked very clean and smooth
next thing to do: check fuel pump pressure
carb was just overhauled and runs great until balance tube overflows within a minute.
Any suggestions please? Thank you for all. Chris
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Joined: Oct 2015
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I'm not as familiar with the 1904, but I just went through a two barrel on my 292 and had the same problem. My kit came with the wrong needle and seat, so I inspected the old one and went back with it. It was old enough to have some kind of packing for a seal that had deteriorated more than I thought and was not sealing. If the 1904 has a similar needle and seat, check that seal. They now use o-rings. I just dug out the old packing gasket, and installed an o-ring. Although this is not for a 1904, yours may look something like the one in the link below. I really don't think the 1904 has this style, but it could be leaking somewhere around the seat even though the needle is closing.
http://static.speedwaymotors.com/RS/.../4276504_L.jpg
http://static.speedwaymotors.com/RS/.../4276504_L.jpg
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Tuned
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From: Seguin
Hardlyrider...thank you for your answer and no this is not what it looks like (wish I could copy the drawing I have). I just don't know what to do. It is a rebuilt clean carburetor that I had sent off.
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Tuned
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From: Seguin
Well, I finally figured it all out. The fuel pump I was using was at 5 lbs. of pressure. I went to Oreilly's and bought a fuel pressure reducer. I have it dialed in at 3 lbs. of pressure to the 1904 carb. Now, she is running like a champ! Yahoo!
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Tuned
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From: Seguin
Thanks Theo! It is too bad this carb acted up again. I just went to Rockauto and ordered a rebuilt one. Will write an update in the next few days. Going to keep the original carb and order a needle and housing for it.
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