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Registered
Join Date: Apr 2001
Location: Vancouver, BC, Canada
Posts: 201
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Wierd carbon pattern
After takin my heads off I noticed this wierd pattern on the top edge of each jug....what is weird is its deeper on the sides than top or bottom. I still have the original honing marks on the jugs though...
Should I worry about this? Cheers, Mike 
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Mike 97 993TT Arena Red - "Scarlett" |
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01-03-2006, 05:33 PM
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Registered
Join Date: Nov 2001
Location: Weatherford Tx. USA
Posts: 98
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If you're talking about the clean part of the piston (upper right hand corner) I think it's caused by incomplete combustion/unburnt fuel.
I think Smokey Unich's books talk about this and how to remedy it. Scott
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75 911S Coupe 3.4 Twin Plug - ITB - MegaSquirt 84 Carrera Coupe M491 |
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01-04-2006, 08:54 AM
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