Originally posted by fst4dr:
My 98 SVT came with 205/55/16's.
My next set was 215/50. They made my speedo read about 5 mph too high at 60-70 mph.
According to the handy dandy tire size calculators available on the internet, that would indicate you speedo was already off. Going from 205's to 215's should make you only 1mph off.
As far as
In reply to:
215/50/16 is .4 inch under OEM, 215/55/16 is over .4 inch from OEM... I wont even explain why i pointed this out.
You're right, you probably won't explain this, because as APT said, 215/50/16 is OEM, so 215/50/16 is exactly .0 off.
