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how do you set fuel pressure on a holley regulator?? Im using a holley blue fuel pump....i thought you jus ran the gas line in to a gas can and adjusted it what you need...but i did that and it wouldnt come up over 3psi.....but when its hooked to the carb and i adjust it, it wont go below 12???
 

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you have to have it going to the carb, dumping into a can is not going to give you an accurate pressure reading. Not sure why it wont go below 12psi, what pump are you running?
 

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You are turning it the right way to reduce pressure? Actually you need the engine running so the fuel will be used off. Otherwise the pressure will just set there. 7-7 1/2 psi is what you're looking. Pressure is resistance to flow. To get an accurate reading you have to have both flow and resistance.
 
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