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Old 12-18-2017, 07:58 PM   #13
1930-Pickup
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Join Date: Mar 2017
Location: southern California
Posts: 725
Default Re: WD40 through spark plug hole???

WD-40 is: Water Displacing formula #40

If you have water inside your cylinders...ok.
If there is no water, WD-40 is not the right tool for the job.
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