Not Ranked
Believe the NASCAR SB engines w/o restrictor plates run at 8,500 to 9,100 RPM , but probably could not last too much longer for additional laps other than the practice sessions, qualifying and the race.
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2014 Porsche Cayman S, 2014 M-B CLA 45 AMG,
Unkown:"Their sweet lines all but take my breath away, and I desire them as much for their beauty as for their use "
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