Originally Posted By Nick Stevanovski
Originally Posted By lewtot184
I solder up the return orifice and then drill to desired size. keep in mind that HP440's and hemi's used higher pressure pumps that worked ok with a .060" orifice. lower pressure pumps should use a smaller return orifice.

Ok, thank you, the orifice is only one the end so I don't have to solder up the whole tube correct? Also, what pressure would be good with a 440 stroked to 500"?
just do a simple solder of the 1/4" nipple and then re-drill to the size you want.