I did read somewhere that the X-radials which are Costco's exclusive in-house tire made by Michelin are a LRR tire. I have them on the Previa and they do roll really well. I have no comparison though. They are a rib tire so that's a plus. I'm happy with them.
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Vortex generators are old tech. My new and improved vortex alternators are unstoppable.
"It’s easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.
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