[ Moparts Family Site - Keep it Friendly ] does garbage and fire trucks have to do with this? So many outside variables.

The answer is lighter wheels have such a minor gain that most gains will go unnoticed but here is a fact, they will not hamper the performance. It brake better, turn better and for sure accelerate better.

I like the ankle weight example and here is another one for those who are not convinced. Jack your rear wheels off the ground. Remove the rear wheels and drums. Punch the throttle in neutral, punch it in gear and repeat with the drums and wheels on. The throttle response should be a great lesson for you.