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Old 08-08-2009 | 11:56 PM
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Omarko
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Default Does this look ok ? Need some thoughts pls
hi guys

this is my 8 month old OS 12TZ Spec II , I run 16% nitro (5% , 5% oils) and use P6 glow plug (OS).

it works very well but has wierd stuff on top of piston and above it ...

see photos :





is this normal ?

thanks
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