996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

My New Project GTXXXX

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  #196  
Old 11-29-2009, 04:43 PM
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Cleaning heads - this I what race fuel will do to you heads when they just
sit!! Massive corrosion
 
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  #197  
Old 11-29-2009, 04:43 PM
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Cleaning heads
 
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  #198  
Old 11-29-2009, 06:51 PM
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Originally Posted by jags911tt
Cleaning heads - this I what race fuel will do to you heads when they just
sit!! Massive corrosion
You might ceramic coat your combustion chambers and exhaust ports? They will stay clean.

This is an early pic.

Later pic but not final.
 

Last edited by cjv; 05-06-2022 at 02:49 PM.
  #199  
Old 11-29-2009, 08:00 PM
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Jags I've posted it before I know but why in the Heck are you spending all of this time cleaning and polishing your head when you can strap one of these on be just be done with it?
 
  #200  
Old 11-29-2009, 08:08 PM
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Jag, do you know how much cfm for the heads? Normal heads flow about 240ish.
 
  #201  
Old 11-29-2009, 08:17 PM
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Originally Posted by art4iza
Jag, do you know how much cfm for the heads? Normal heads flow about 240ish.
Alex chime in.
 
  #202  
Old 11-30-2009, 09:14 AM
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i would definately ceramic coat the chambers and valve faces. its cheap for the benefit
 
  #203  
Old 11-30-2009, 02:00 PM
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Originally Posted by OS Inspector
i would definately ceramic coat the chambers and valve faces. its cheap for the benefit
By also coating the exhaust ports ............ the head temperatures run a lot lower.
 
  #204  
Old 11-30-2009, 02:04 PM
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Originally Posted by art4iza
Jag, do you know how much cfm for the heads? Normal heads flow about 240ish.
When you get the flow numbers it is important to know if they were flowed at 25 or 28 psi as these are the two standards and it does make a difference.
 
  #205  
Old 11-30-2009, 02:04 PM
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that was a first id seen that done ona car cylinder head but the atv guys do it all the time with pipes n such
 
  #206  
Old 12-08-2009, 09:06 PM
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More progress: Heads DONE

Fluid checking for valve sealing
 
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  #207  
Old 12-08-2009, 09:07 PM
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More
 
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  #208  
Old 12-08-2009, 09:08 PM
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Heads ready for final cleaning
 
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  #209  
Old 12-08-2009, 09:09 PM
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Complete head - note valves marked for each valve seat/port
 
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  #210  
Old 12-08-2009, 09:10 PM
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Heads ready to go
 
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