A little bit of a friendly debate has broken out between Dale Earnhardt Jr. and Michael McDowell about a horsepower increase.

The No. 71 team of Michael McDowell will have one less team member for the longest race of the season, the Coca-Cola 600.

While it is generally believed that an increase in horsepower would improve NASCAR's racing product, Michael McDowell begged to differ.

NASCAR will tread beyond familiar ground. The post Chevrolet Driver Unsure of Mexico City With Track Feature Jeopardizing ...

Michael McDowell and the No. 71 Spire Motorsports team had its car chief ejected for the remainder of the Coca-Cola 600 race ...

Spire Motorsports driver Michael McDowell also presented his opinion on the topic.

"Could we at least go back to the 750 horsepower, which is only 100 more than what we got now, which would at least be a step ...

A little bit of a friendly debate has broken out between Dale Earnhardt Jr. and Michael McDowell about a horsepower increase. It appears that NASCAR is finally ready to try to bump up the power in ...