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I've put together a few calculator programmes I'm sure you'll find useful at some point. The 'JMR Engine Calculator' allows you to play around with different engine capacities, determining optimum deck height, combustion chamber volume and compression ratios.

The JMR 'Gear Ratio Calculator' lets you input various gear, ring and pinion ratios and tire sizes. It will then calculate what mph you will be running at various rpm in each gear.

The Farenheit to Centigrade' converter will come in handy for people running Autometer gauges calibrated in degrees F but who are more familiar with Centigrade.

The 'Horsepower Calculator' will give you some idea how many bhp it will take to get your car down the quarter mile in a given time. It can't be considered to be truly accurate as it doesn't take into account torque and horsepower throughout the rpm range, gear ratios or tire size. Nevertheless, you should still have some fun trying out different weight and quarter mile times.

These programmes will all work offline, so download them and keep them somewhere handy for future reference. Hopefully you'll find them useful in assisting with your project.


engine calc.....gear calc..... temp convereter.... bhp calc

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