July 20, 2009 "Mark and Jason absolutely transformed my 2002 Trans Am WS6! I'm now running 407hp at the rear wheels on factory cats and still maintain great street drivability. Their top-end build up of my stock LS1 engine is just fantastic - as Arnold said, 'I'll be back!'". Jeff Y.>, LaPlata, MD
Take a look:
May 20, 2008
"Yes Mark I am very please with the performance of the motor. It has performed flawlessly and been deadly consistent. It has won money at all but one race this year and is currently leading the points at my home track. This past weekend I went to a bigger money 1/8 mile race. I made 6 out of 8 passes in the right lane and the car only varied .007 at the 330 ft and the two passes that I went to the finish line under full power it went 6.2611 and 6.2614. Even a knucklehead like me can turn on win lights with consistentcy like that. LOL I know that there is more left in it, but I have put a larger tire on it now for the summer heat which has slowed it down a little now. Later this year once things start to cool off again I am going to be trying different fuels and gears to put the car into the 9.50's."
Chris Minchew, TX
September 6, 2007
"If you're serious about building an 8000 RPM [351] Cleveland, contact Mark and Heather McKeown at McKeown Motorsport Engineering Inc. [301-932-9292] Mark is a wizard with Clevelands and will work with you to design whatever you want. He and Heather are straight up people - they still understand what excellent customer service means."
October 2003 "Scientific Performance; An interview with Mark McKeown..."
"The husband and wife team of Mark and Heather McKeown, owners of McKeown Motorsport Engineering, are two of the nicest, most sincere people you'll ever meet". Jason Reiss, NMCA/NMRA