Ford Mustang Forum - View Single Post - Question for ProCal Tune owners
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post #17 of (permalink) Old 11-15-2012
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Originally Posted by cababah View Post
Enlighten us please on what exactly "catalytic impingement" is....or did you just hear that from one of the Ford Racing techs who also couldn't clearly explain it?
I'm only referencing what Ford Racing calls it...since they say it is not pinging.

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