new tires and gears. vs. speedo


ranger

15+ Year Member

Joined
May 12, 2008
Messages
378
Points
3,101
City
Pittsburgh,Pa
Vehicle Year
2001
Engine
4.0 V6
Transmission
Manual
Ok i know if you change tire sizes you have to recal you speedo, and if you change gears with same tires you have to recal your speedo. If i get bigger tires and regear so that it is close to stock will i still have to change my speedo or does it even that out too:icon_confused:
 
get it all installed and then see how close you are to stock. easily done on the freeway, just drive it at 60mph and measure the time between the mile markers. if it's 60 seconds to drive 1 mile, then you are dead on. a couple of seconds either way won't make enough difference to recalibrate, imho.
 
If you have a GPS that you use for travel, most will tell you your current speed. I used one to find out my speedo is about 5 mph low in the 50-60 range, and a bit more higher than that. Thats with 31's.
 

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