Hi again. I know I have already included some of these websites on my posts that I find useful and helpful, but I'd like to post some of them here again. They have helped me a lot in my calculations. I'm sure you will too. Check them out.

https://wahiduddin.net/calc/calc_hp_dp.htm
https://www.omnicalculator.com/physics/air-density
https://bndtechsource.ucoz.com/index/tire_data_calculator/0-20
https://bndtechsource.ucoz.com/index/tire_data_information/0-31
http://www.wallaceracing.com/dyno-cor-calc.php
https://robrobinette.com/Dyno_Correction_Calculator.htm
https://www.motortrend.com/how-to/ghtp-1109-fact-and-fiction-of-dyno-correction-real-wheel-horsepower/
https://tirepressure.com/vehicles
https://www.tiresplus.com/tires/tire-pressure/
https://www.automobile-catalog.com/
https://www.carfolio.com/car-makes/
https://www.stealth316.com/2-calc-hp-et-mph.htm
https://www.thrillist.com/cars/your-speedometer-is-wrong-speed-calibration-inaccuracy-in-german-american-and-japanese-cars
https://www.roadandtrack.com/car-culture/car-accessories/a32026968/are-speedometers-accurate/