Hi guys,

Would like to seek expert opinion in the way we usually set our Fuel pressure Regulator.

I have bought Aerospeed Fuel Pressure Regulator which comes with a meter to see the psi. For my Waja, I have felt good with 43 psi. However, at one time after I ported my intake manifold, the pressure ran to 45psi.

Thus, I requested the mechanic to help lower it down to 43psi. He unplugged my vacumn hose and basically the pressure went to 50 and above. Then, from there he lower to...