abmobil

Hey everyone,
My 93 Hardbody 4cyl 2wd came with p225/70/r14 tires when I purchased it but the factory tire size is 195/75/r14.
Does anyone have any idea how far the speedo is off with this size tire?
Thanks!

SD Frontier

Stock Tire - 195/75R14 Tire 1 - 225/70R14
Section Width: 7.67 in 195 mm Section Width: 8.85 in 225 mm
Rim Diameter: 14 in 355.6 mm Rim Diameter: 14 in 355.6 mm
Rim Width Range: 5 - 7 in Rim Width Range: 6 - 7.5 in
Overall Diameter: 25.51 in 647.95 mm Overall Diameter: 26.40 in 670.56 mm
Sidewall Height: 5.75 in 146.05 mm Sidewall Height: 6.20 in 157.48 mm
Radius: 12.75 in 323.85 mm Radius: 13.20 in 335.28 mm
Circumference: 80.14 in 2035.5 mm Circumference: 82.93 in 2106.4 mm
Revs per Mile: 815.3 Revs per Mile: 787.8

Actual Speed: 60 mph 100 km/h Speedometer1: 57.9 mph 96.6 km/h

Speedometer Difference: 3.490% too slow
Diameter Difference: 3.38%

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2005 Super Black 4X4 Crew Cab SE AT
OEM Sliding Bed Extender, OEM Mud Flaps, OEM Step Rails, OEM Skidplates, Silverstars, aFe Stage II, Sirius SportsterR, Custom Fogs, Custom 2.5" Flowmaster 40 Series exhaust, more to come...

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