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All cars should be run at high revs sometimes to prevent carbon build up
All cars should be run at very high revs (at the upper limit) sometimes to prevent carbon build up
Very high rpms produce high temperatures which burns off built up carbon
Many mechanics recommend it
Driving at very high revs can damage your car
Carbon buildup is not a problem in modern cars
If this was true, car manufacturers would recommend it in the manual
There are mich better methods, this one only makes a slight difference and isn't worth the trouble
It works just as well at 3000 rpm
This does not apply to diesel engines
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