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Speaking of the oil lines are u guys running the 0.40 restrictors...i did not and to much oil up in head and the vacuum pump tank filled up in one pass....and overflowed..installed a baffle in the valve cover and moved the fitting to the front of the valve cover...any other secrets???? sorry for jumping on thread pattyboy

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I use a #10x32(maybe #6x32 sbrass set screws, CRS) screw in Holley air bleed with .021 orifice size and then drilled it out to .039 I installed both of them, one for each line, in the bottom of the male 8/ NPT to 1/4 inch flare adapter going to the oil line to the heads from the T in the block I have a set of single shaft T&D on my SR headed street motor and a set of Harland Sharp single shafts on my 440-1 bracket motor, both with .039 ristrictors now. I treid .120. 085 and now the .039, they seem to work the best so far, I'm a little leary to try and go smaller.