gasoline contaminated with motor oil

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I recently had a customer that had motor delivered into his bulk gasoline tank. Oil level in several vehicles rose, spark plugs fouled and poor performance. One truck had burned 3 tankfulls before act was caught. What are the short/long term effects of this action?
I realize plugs, what about valves,ect.

7/19/073:04 PM

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bruce381Member

any idea how much oil was pumped into the gas? oils have a "metal ash" content that will cause plug fouling and cat plugging I would have it all dumped to be safe.
bruce

7/19/077:39 PM

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terrybouchereauMember

Just guessing about 300 gallons in a 1000 gallon tank. The 300 was used to top the tank off. That's 30%.

7/20/078:00 AM

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bruce381Member

I'd try to dump it or use as a diesel blend the oils metal content will most likley clog cats and plugs.
bruce

7/21/0710:10 AM

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