site home | 1gDSM news/home | contact | misc | projects/modlist | racing/media :. Misc .:. Model Year Differences Thought I'd put up yet another page of various calculator/estimator JavaScripts, since I find them useful, and now I'll know right where they are. HP from ET/MPH Tire Sizing - metric tire size/diameter/conversion/speedo error, etc. 1/4 Mile Calculators - HP from ET/MPH, MPH/ET from HP Engine Calculators - displacement calculator