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Ever since I rebuilt my top end on my '96 Heritage, I have been getting a lot of oil blowing by my air filter. My rebuild included S/E Heads, S/E flat top pistons(.005" over)EV-46 cam, S/E ignition module. S/E coil, S/E adj, pushrods, and new rockers. I used Harley top end gasket kit C/W umbrella valves. Any ideas what is going on here.?? Thanks for your ideas.
 

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IronButt
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You need to check out pump common on a evo for trach to slightly damage pump and it not scavage as well. Or are you talking when you start it is pukes oil on the ground??
 

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also have seen oil return passages on those heads being almost closed with casting flash and did you replace the breather gear?
 
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