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22RE exhaust port pictures

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Old Feb 13, 2007 | 03:04 PM
  #1  
Targetnut's Avatar
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From: Manassas, VA
22RE exhaust port pictures

Does anyone have close-up pics that show the detail of a ported exhaust port on a 22RE head.

I'm specificly looking for a picture showing how the little hump in the side of the port adjacent to the coolant passage was treated.

Of course any pics would be appreciated (I like pictures)
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Old Feb 13, 2007 | 07:23 PM
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From: austin, tx
DOA port work:

http://lakebox.dnsalias.com/photos/1...tportwork2.jpg

http://lakebox.dnsalias.com/photos/1...stportwork.jpg

http://lakebox.dnsalias.com/photos/1...tportwork3.jpg

http://lakebox.dnsalias.com/photos/1.../exhports5.jpg
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Old Feb 13, 2007 | 07:32 PM
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This is exactly what I was looking for

Thanks.

If anyone has others, I'd certainly be interested in seeing those as well
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Old Feb 14, 2007 | 08:13 AM
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From: austin, tx
Flow test on this head:
218cfm @ .425/16" water 103 F
200cfm @ .425/16" water 106 F
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Old Feb 14, 2007 | 08:57 AM
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I'm working on a rudementary flow bench so that I can measure the flow on the ports and make sure that i am making them better and that they are even. I don't expect to be able to determine exact flow numbers only relative flows

Am I to expect to see a nearly 10% flow difference based on a difference of 3deg F?

I know there would be a difference but I would have never have dreamed it would be so large.
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