Head machining for boost?

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Old Mar 11, 2003 | 05:11 PM
  #1  
Rydaddy's Avatar
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Default Head machining for boost?

I have a spare '99 d16y8 head sitting in my garage that I was going to use for a mini-me on my EF, but I abandoned that project in favor of a SOHC turbo on my EJ8. Im getting the Greddy kit w/ intercooler FYI. Would any type of machine work be beneficial for boosting? I thought I read somewhere that a port job actually decreases performance on an FI motor. Since I have the head off, what should I do to it to prepare it for boost (nothing too extreme...Im already bending over backwards for the kit!)?
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Old Mar 11, 2003 | 07:35 PM
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Default Re: Head machining for boost? (Rydaddy)

ttt
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Old Mar 11, 2003 | 08:14 PM
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Default Re: Head machining for boost? (Rydaddy)

I guess all the smart people are already sleeping?...
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Old Mar 11, 2003 | 09:28 PM
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Default Re: Head machining for boost? (Rydaddy)

ttt until I get some responses.....so just get it over with....
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Old Mar 11, 2003 | 09:33 PM
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Default Re: Head machining for boost? (Rydaddy)

well you can think of it like this
you do port and polish when you do N/a set up with better springs and valves and cams.. and dyno it N/a you will have lets say 140 to the ground.. just putting up a number there.. now if you go turbo .. and not drop your compression...you woulld start out at that hp instead of being 127 to the crank... get my drift...
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Old Mar 11, 2003 | 09:37 PM
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Default Re: Head machining for boost? (romeo619romeo)

Right...thats what I figured, but I read that porting the head decreases power in FI motors. So its good then? Thats all Im looking for....what is recommended, not some technobabble article.
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