The Dastek Dynamometer's repeatability allows tuners to access changes to a vehicle, either in the case of an upgrade, modification, upgrade or a fault. It's repeatability is so constant that outputs are unaffected by by length of time - or whichever Dastek Dynamometer is taking the test - providing that no changes have been made to the vehicle. This give the user a reliable and constant datum point in which, upgrades can be reliably verified, providing both user and client confidence.