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**Bacadiesel** · 12-20-2013, 12:07 PM

My results showed high silicon ppm. They said it could be due to abrasives like dirty air filter or any rtv gasket material. Could also be that these engines when built have high silicon so they told me to retest in another 3500.

12-20-2013, 12:07 PM	#9
Bacadiesel Senior Member Join Date: Aug 2013 Location: Keller Posts: 256	My results showed high silicon ppm. They said it could be due to abrasives like dirty air filter or any rtv gasket material. Could also be that these engines when built have high silicon so they told me to retest in another 3500.