Wynn's Engine tune Up....

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Aug 25, 2003
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DELAWARE
Waste of $10. This product and the "Gunk" brand flush are snake oil. Very little return on the money spent. Just get it out of the way and get the auto-rx.
 
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Sep 5, 2006
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Chicago Area
I wish they worked well. They only seem to make your oil dirtier. Auto Rx is different, and by 90% of reports, works wonderfully well.
 
Joined
May 1, 2006
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New Brunswick, Canada
Very potent engine flush in a can. Problem with an engine flushes is it loosens up and moves hard carbon that is sitting where it won't hurt anything and moves it to places where can then do damage(getting into main bearings and between camshafts and lifters, etc) and most attack engine seals causing leaks eventually. Engines do not have to be spotless inside to function well, do regular short oil change intervals with a quality engine oil and your engine will last longer. Additives tend to do more harm than good.
 

toyota62

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Sep 24, 2005
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Australia
 Originally Posted By: mechtech2
I wish they worked well. They only seem to make your oil dirtier. Auto Rx is different, and by 90% of reports, works wonderfully well.
That's mean it is working???
 
Joined
Sep 5, 2006
Messages
19,479
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Chicago Area
I meant the Wynns and other common and cheap engine flushes have not been successful for me. I specifically noted the ARx as a good exception.
 
Joined
Oct 3, 2010
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Ontario
I use Wynn's as a motor flush. Pour it in and let the engine idle for 10-15 min then drain.I wouldn't leave it in . I just used 2 cans in our new ( used) JCB forklift ,when I changed the oil and filter.
 
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