I can think of a couple of ways. Too thick an oil won't flow through the
little passages in the head and could starve the cams and lifters.
On a longer term basis the wrong quality oil can easily destroy an engine. Use
SA oil in an engine that requires SM oil your engine won't be happy.
Sent from my iPhone
> On Jul 5, 2014, at 10:41, I Erbs <eyera3@gmail.com> wrote:
>
> Was ready complaints about JiffyLube and came across this complaint. How
> could the "wrong" oil destroy an engine?
>
> [2102] *April in Hurst, TX Wrong Oil Destroys Engine*
> My wife recently took her Dodge Charger to Jiffy Lube in Hurst TX for an
> oil change. The oil was changed and my wife went on her way. Later in the
> day she double checked her receipt and noted the wrong oil was indicated.
> She took the car back immediately and Jiffy Lube admitted it was the wrong
> oil and agreed to change it. Immediately upon start up by the tech
> performing the oil change, the engine sounded horrible and wouldn't
> continue to idle. My wife called me and I went to the shop. I asked them
> to leave the car alone and not try further to get it to run. I didn't need
> to hear it. The manager and I went to the office to discuss next steps.
> During our discussion I hear them out in the shop trying to start the
> engine again. To make a long story short, the car was towed to the dealer
> and disassembled. It's going to cost 10k to replace it (it's destroyed)
> and Jiffy Lubes insurance company Zurich is denying any claim for damages.
> Ira Erbs
> IT Teacher
> and Consultant
> Portland, OR
>
> b Money may not buy happiness, but I'd rather cry in a Jaguar than on a
> bus.b
> b FranC'oise Sagan
> <https://www.goodreads.com/author/show/1357577.Fran_oise_Sagan>
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