[kYLEMtnCRUZr]

Yeah, the last TR LLR test is 2 years old!

Originally Posted by Fat Charlie

That'll actually raise your top speed. 195/55/16 has an outer diameter of 24.4", making 825 revs per mile. 205/60/16 is 25.7", making 785 revs per mile. When your speedo reads 60 mph, you are actually travelling 63.0 mph.

But all speedo numbers aside, it will lower my RPMs at 60mph which will produce slightly better MPG right? Which is why racers use 13/14's for better accel with a shorter ceiling on top speed.