benefits of a three angle valve job?

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i would say so, i think a good valve job is something like 10-15 horses. Also it affects duration a small amount.

i am getting a 3 angle on my e7s once i get done porting them....
 
dastang2 said:
i thought it was just to refresh the seal of the valve and restore it to the stock performance


cutting more angles in the valve and the seat, makes it a smoother turn. If you look at the stock seat, its just flat. a 3 angle will make the seat and valve have 3 angles i believe, a 5 angle, makes 5 angles which is better flow.

more air = more fuel = more hp blahblah