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Old 06-05-2011, 09:59 PM   #7 (permalink)
gone-ot
...beats walking...
 
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Quote:
Originally Posted by phord View Post
...if some potrion is clean put dimples in there (clean means fuel wash condition exist ) dimpling restores boundary layer action and improves burn efficiency.
...+1, but do not make "sharp-edge" dimples as they can become "hot-spots" leading to pre-ignition!
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