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Professional computing power, designed for the drag racer with engine dyno data . . . just $265!
QUARTER Pro offers the professional drag racer and race team engineer serious computing power. Over twenty years of development and refinement went into QUARTER Pro to achieve an accuracy of better than .01 seconds at every point on the drag strip.

The QUARTER Pro input screen requires much more detailed information than does QUARTERjr. There is a complete engine power and torque table from the dyno. Clutch data, transmission and rear gear efficiencies, and polar moments of inertia are also included. Aerodynamics of the racecar are completely described. QUARTER Pro includes powerful worksheets and extensive on-screen help to assist you in determining the proper values for many of these input variables.

Compare the sample QUARTER Pro input screen for a typical NHRA Pro Stock Car to the QUARTERjr input screen to see the many differences. All of the data values may easily be changed using the simple editing features fully described in the QUARTER Pro User's Manual. Technical support is always available to all registered users.

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QUARTER Pro is particularly useful for drag racers having engine dyno data (or simulated engine dyno data from software like ENGINEjr or ENGINE Pro). Simply enter the the horsepower or torque figures from the dyno and QUARTER Pro will help you figure out the best possible combination to get your racecar down the track as quickly and consistently as possible.

 

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The calculated output from QUARTER Pro includes the Time slip, Detailed Parameters and Vehicle Performance Graphs just like you get from QUARTERjr. In addition, you get an Engine RPM Histogram to show you exactly at which RPM your engine spends the most time while your racecar goes down the quarter-mile. This feature is particularly useful for focusing your racing engine development efforts. Concentrate on the engine RPM range that matters the most!

If you're racing in classes like Pro Stock, Top Sportsman, Competition Eliminator or Super Stock where the last hundredth of a second can make the difference between winning and losing, QUARTER Pro is the software for you.


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