We called that blowing the carbon out. And actually it did that with my parents Corolla. After years and years of running at less than 3000 rpm, teen son gets into it and flogs it up to redline, emiting a big black cloud out the exhaust. Was good after that!
Quote:
Originally Posted by bcj
That's the "Italian Tune Up"
Need to flog it once in a while to knock dust out of the corners.
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