Weird oil leak coming from fuel pump???

Abodybomber said

About a split between 5/16"-3/8" , Khalil... I am using a Carter M6270 mechanical pump, with no regulator, 8 A.N. (7/16 " I'd) . it hits at 7 psi, with the bigger diameter line.Advertising is "120 gallons per hour@ 7.5-8.5 psi" 1/4 NPT, ran three of these ( at California elevated) , never had a problem..

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Thanks for the info Tim...

About the new vs. NOS pumps i'm gonna give one of the NOS ones a try, at ~$30 i think it's worth a shot. My only concern would be ethanol corrosion on that old rubber but i now run Lucas Ethanol Conditioner in my tank after every fillup which is supposed to negate those corrosive effects. Gives a bit more power and MPG too i've found.