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[quote user="SouthPenn"] Watching programs on TV and taking tours of some assembly plants, I would say the break-in of new car motor is a maximum of 5 minutes. And that is not self powered. You might be an 'old guy' but the sales people are 'clueless'. <div style="clear:both;"> </div> [/quote] Shelby GT500s still have a break in period (at least the 2007 model did).  The computer limits you to 4k rpm for the first 3000 miles or so.
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