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Old 01-19-2015 | 09:31 AM
  #4  
spaceworm
 
Joined: Mar 2009
Posts: 3,950
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From: Guilford, CT
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Originally Posted by q8cub
What would be better for breaking in a gas engine?

Ashless or Synthetic oil ?
Would breaking in an engine with synthetic oil damage the spark plugs ?
Thanks in advance!
"Ashless" suggests to me Lawnboy. No one I know will use it.
Regards, Richard
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