Want the best numbers? Bring your car during January / February. This is not always realized on the dyno though. The colder temperatures of winter often bring boosts in power numbers. Fix your leaks before you head to the dyno.ĭyno numbers change with the seasons.

Oil soaked wires can lead to electrical issues, like spark blowout. It may cause a higher reading, but it offers less protection to your motor. This is because old oil is often worn out and thinner than when it was new. If your oil is old, it will actually increase power output vs.If your tire pressures are low, this will rob power and cause a lower reading.Vehicle maintenance issues can change power readings as much as 30hp. This type of dyno should have measurements on it to make sure it is properly set up for each vehicle. If the dyno has a test bed that can change length to accommodate different vehicles, changing the length can change how the tires contact the rollers, changing the power reading by as much as 30hp. This causes more deflection in the tire which absorbs more power and turns it into heat. The tighter the straps securing the vehicle to the dyno, the harder they pull the tires into the rollers.

Depending on how the vehicle is secured to the dyno can change the numbers as much as +-30hp. Some of are easy to account for, others.not so much.ĭyno setup. Dyno Shop Denver | There are many variables that can change the power output of your vehicle.

Etunes vs dyno in the winter