ZUKIWORLD Online | Suzuki 4x4 Editorial and Forum
ZUKIWORLD Discussion Forum => Suzuki 4x4 Forum => Topic started by: Digger on April 25, 2005, 03:58:29 PM
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How do you correct the speedometer after adding larger tires? I know that 5.83's would do it, but I'm looking for a cheaper option...
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You can look up a SpeedO shop in the phone book and they can regear your speedo.
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Keep searching. Theres a thread somewhere on how to adjust it. Then post a link. Im getting frustrated tring to find it. >:(
I just found out mines off 17MPH :o with 5.14 gears the oldschool tranny (higher 5th) and 33's and I need to tweek it. My buddy just turnt the pointer a bit to try to compinsate,,, but the faster he go's the more he's off.
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My speedo is actually more accurate since getting bigger tires! It read about 5 mph high with the stock tires. With the 235's it is right on up til about 60 mph. After that it starts to read a little slow.
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Well, my friend and I went for a ride the other day, him in his sammy running 215-60's and me running the Silver Surfer(31-9.50's). We reset the trip odometers withing 2 miles of eachother and after a 40 or so mile ride, he was registering 42 miles and I was registering 32 miles. Now I know if I had reset mine at the same time, it would have come out 42 to 34, but that's still a pretty big difference and is one of the potential reasons I went from getting 26-27 mgp to around 18-19 after swapping tires...
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I'm gonna try this when all my changes are done. Check it out:
http://bbs.zuwharrie.com/content/topic,15339.0.html
Here is the pic from the 9th post down:
(http://bbs.zuwharrie.com/content?action=dlattach;topic=15339.0;attach=4043;image)
Good Luck! ;D
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Way back in the '70's, during my rallying days, people used a little gear box on the back of the speedo that you could change the gears in to obtain the correction factor for tire and gear conditions. I think they were outlawed when someone figured out you could bump the correction factor to 50% and only register half the mileage you were actually putting on the car. I wonder if you can still find those things anywhere?
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I'm gonna try this when all my changes are done. Check it out:
[url]http://bbs.zuwharrie.com/content/topic,15339.0.html[/url]
Here is the pic from the 9th post down:
([url]http://bbs.zuwharrie.com/content?action=dlattach;topic=15339.0;attach=4043;image[/url])
Good Luck!  ;D
 that works only so much.
  with 33s.5.89-1 and 513s my speedo is good up to 25 mph.after that my road speed is 5 mph slower that speedo reading up to 60 on speedo then it goes to about 7 mph slower.
  the wifes is the same with 31s and 462 r/p and stock t-case.
   oscar