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Old 10-21-2002, 01:47 PM
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chopper chopper is offline
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Join Date: Jul 1999
Location: Prescott Valley, AZ
Cobra Make, Engine: Previous ERA owner on break
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Default Regulators

SSSnake:

Just a random thought here. You didn't say what fuel metering system you plan to use when you get the engine installed (carb or EFI). I can't tell from your photo, but it doesn't look like you have a pressure regulator hooked up to this system (unless, of course, you are planning to add that up front). However, the Holley BLUE pump (according to their website):

http://www.holley.com/HiOctn/ProdLin.../12-802-1.html

is factory set to 14 psi output. Their graph shows relatively stable pressure output of 12 - 14 psi up to 80 gph. This pressure is more than the needle valves in most carbs can handle, so a pressure regulator is usually required for carbed engines when running the BLUE pump. Their RED pump (the one I use) is set up to about 7 psi; I've measured mine at about 6 psi at idle and decreases to about 4.5 at cruise. It's my understanding that if you run much more than about six psi, you can overpower the needle valves and flood the carbs. Just something to consider. If I missed the regulator installation in your photo, kidly disregard all after "Hello" and I'll fade quietly.
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