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Fuel pressure Reg issue

DynaSlim

TCG Elite Member
Aug 13, 2012
5,538
18
Plainfield
Ok, I just hooked up my mallory 140 pump with 1/2 line and 3/8 return coming off my regulator. The old setting on the reg before was getting about 5 psi. Now I'm getting 9 and with the reg backed all the way out i can only get the pressure down just below 8 psi.

Is this normal for a more powerful pump and bigger lines?

Any ideas for me to get the pressure down around 6 psi would make me happy.
 
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