I have 92-93 del sol wheels on my 00 EJ8, but they are currently very beat up and am looking to get some new wheels soon. Should I get 15" or 14" wheels that are lighter than the del sols? There is a great selection of lightweight 15" wheels, but I am concerned that 15" wheels will hurt acceleration and braking because of the increased rotational mass. Lightweight 14's would be great, but they are hard to come by. What do you guys think?

 

I think you're better off with 15" wheels, because there are a lot more and better choices of performance tires, and differences between tires matter more than a few pounds on the wheels.