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CJM Fuel Hat and 340lph Pump ISSUE

Originally Posted by bcfromfl I'm dreading this part of the upgrades. Hope I don't get in over my head... Its not too bad. But if you really dont want to

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Old 03-21-2018, 03:07 PM   #25 (permalink)
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Originally Posted by bcfromfl View Post
I'm dreading this part of the upgrades. Hope I don't get in over my head...
Its not too bad. But if you really dont want to do the fuel pump modifications, you can send yours to me and I will build it for you for $85 plus return shipping. I also have cores I can build for $250 core charge, refunded when yours gets back to me.

After the fuel pump is rebuilt and back in the tank, the rest is pretty easy. Just leave yourself a generous amount of time to route the hoses neatly. Routing the hoses takes longer than youd expect by the time you are really satisfied with how they are sitting.

If you take some time to look at the fuel pump housing and consider its layout, it will become less intimidating. It really is pretty simple after you give it some attention: fuel is drawn into the pump through the strainer, it exits the pump through a hose leading into a filter, and then a hose from the filter out the top of the tank (through the plastic flange). Attached on the side of the filter there is a regulator that bleeds pressure out to maintain 52psi. The fuel that the regulator bled out travels to a T fitting where it splits off to 2 different venturis (which are basically just pinholes that create a suction effect). And that is really it. The OP's trouble is that he has eliminated the filter, which also means he has eliminated the regulator, and thus the venturis that follow the regulator.
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Last edited by phunk; 03-21-2018 at 03:14 PM.
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