Gumout AIO review

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Sep 27, 2014
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Missouri
So, I have ran a tank of it through the Sable. After some hard runs and normal driving.
My butt dyno says the car revs quicker and is a lot smoother. I did clean the throttle body with CRC.
Over all I will use it again.
I did notice the oil turned darker in color. Guess I will change it before winter hits.
 
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