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Old 01-19-2015 | 03:40 AM
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q8cub
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From: kuwait city, KUWAIT
Default Ashless or synthetic oil for gas engine break in?

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!

Last edited by q8cub; 01-19-2015 at 05:13 AM.