lished by several manufacturers include:
®′ Bigger dyno rolls are better from a tire durability standpoint
®′ Shallow tread tires are preferred to deep tread tires
®′ Used tires are preferred to new tires
®′ Limit dyno "on time" to the minimum necessary to perform the necessary vehicle tests
®′ Allow one- to two-hour cool down time between tests
®′ Use "slave tires" for longer tests
®′ Limit high torque test conditions to the minimum necessary
Information Available
Some engineers say that it may be desirable to adjust inflation pressures downward to minimize the potential for tire damage when running on a chassis dyno. But they are reluctant to recommend this without complete assurance that proper operating inflation pressures will be restored before the vehicle is returned to regular service.
Illustrative photos and additional information on dyno testing options is available in the "Radial Tire Conditions Analysis Guide," published by the Technology and Maintenance Council, which can be ordered by calling 703-838-1763.
It is highly recommended that a reliable tire industry engineer or technician be consulted for specific advice prior to running a truck equipped with regular service tires on a chassis dyno. This could save expensive tire casing damage, more a concern today with modern long mileage and retreadable radial tires.
