Subject	Thats a tough decision
Posted by	-Grimm- on December 04, 2013 at 10:38 AM
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In Reply To	small hole in combustion chamber need help !! posted by Snake9289 on December 04, 2013 at 09:57 AM
Message	Carbon will deposit into that 'hole' (indent) and may lead to pre-ignition (detonation). The easiest thing to do would be to polish the combustion chamber (would be a good idea to do all of them similarly) to remove the indentation. This will lower your combustion slightly (probably an undetectable amount in the range of 0.08 static compression for ~1cc) The other option is buying a new head. ------------------------------------------------------------------ 1992 300ZX NA 5 Sp (Dead) 1990 300ZX NA Auto 2+2 (Dead) 1990 300ZX TT 5 Sp (Building) 2004 G35 Sport 6MT (DD)
Follow Ups	small hole in combustion chamber need help !! - Snake9289 09:57:17 12/04/13 how deep is this hole? pics please (n/m) - aliaZ 10:33:26 12/04/13 Thats a tough decision - -Grimm- 10:38:02 12/04/13 Got to have a picture. A good picture. (n/m) - zellamay 11:18:56 12/04/13 Re: small hole in combustion chamber need help !! - Snake9289 17:22:53 12/04/13 Re: small hole in combustion chamber need help !! - Snake9289 17:39:36 12/04/13 Here - -Grimm- 10:13:52 12/05/13 I think I'd grind/polish it out, if it was shallow. If not, - zellamay 16:20:19 12/05/13 I was considering suggesting having it welded, polished, and - -Grimm- 17:00:39 12/05/13 Re: small hole in combustion chamber need help !! - Snake9289 18:27:05 12/05/13
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