Will it hurt or kill my engine to put in a can of the Motor Flush and let it run...

jc

Member
...for 5-10mins. b4 oil change? I have been considering giving my car a 'Motor Flush.' There are always 2 or 3 of them, and I was gonna go with the most expensive and biggest one, dump it in and let it run for the 5 or 10 minutes on the hot engine just before the oil change and filter change, like it says....

Now I have heard that these Motor Flushes do clean the engine, but may have a bad side effect. I cant think of what that is. I also want to go one grade up on the oil, to 10W-4o, to comoensate if the flush cleaned away some stuff that made it used to the thinner oil, the 10w-30.

I have a 1995 Ford Escort 1.9L and I am trying to keep it in top shape, If the flush nd gunk and old oil (previous ownder let it sit for 6 months with same oil, then I drove from NJ to IN with it then changed the oil but still, want to clean the engine...) - what will happen?

Any input on this, because i am getting all the knowledge i can.. Thanks!
 
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