I was woundering if these tires 305/50/r20 will mees up my speed sensor. going from 265 to 305 there yokohama parada spex x

 

width dosen't really matter looks like your staying in the 33" diameter range so you should be ok

FYI 305/50R20's are smaller diameter (by 1/2 an inch) than the stock 265/60R20

Stock Tire - 265/60R20
Tire 2 - 305/50R20

Section Width: 10.43 in 265 mm
Section Width: 12.00 in 305 mm

Overall Diameter: 32.51 in 825.75 mm
Overall Diameter: 32.00 in 812.8 mm

Sidewall Height: 6.25 in 158.75 mm
Sidewall Height: 6.00 in 152.4 mm

Actual Speed: 60 mph 100 km/h
Speedometer1: 60.9 mph 101. km/h

Speedometer Difference: - Speedometer Difference: 1.594% too fast

Diameter Difference: - Diameter Difference: 1.57%

 

Holy crap man thanks a lot!!!