Hi all .. were talking about an evo w an S&S hi volume oil pump .. it was puking pretty bad so I changed the check ball valve and it’s slowed down a lot but I’m still getting a little puke after sitting for a few hrs then almost nothing . Any ideas ?

thank you
chris

 

Did you lap the ball seat?

 

no I was kinda hoping I could do a fix while the pump was on bike and not have to take the cam chest apart ..

buy youre not the first person to suggest that so looks like I might have to go that route