head questions....

["Anthony Pelletier" <apelle62@MAIL.CAPS.MAINE.EDU>]

Hi everyone 
I am about ready to send out my head to have it P & P and I was 
wondering what they do when they do a  "3 angle valve job"
I hear the term a lot I just wanted to know what they mean.  and do 
they do this to all heads when the P & P it.  

Also does any know how much you have to shave off of the head to get 
compression up to 11.5 :1??  I am thinking of bumping the compressio 
a little....more power can't hurt right?

thanks
Tony (working on the 2.0)

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