Rolling stock weight loss

Originally posted on 04-20-2010

I took a couple minutes and crunched some numbers:

Current wheels: 13.5 lbs (15×7 spec miata wheels)
Current tires: 24 lbs

13×7 wheel / tire combo: 23.5 lbs.

Total weight loss: 14 lbs per corner = 56 lbs of unsprung, rotating mass.

Think that’ll make a difference? I think yes. Very yes.

Also: just throwing these on will drop the car below 2000 lbs.
Yeah, I’m happy with that.

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