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4.08 gear swap

Originally Posted by jchammond Speedometer should be dead on with factory diameter tires; as the speed sensors (2) are located on the output stub shafts...they read it there/ so 3.36,3.69,4.08,4.36

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Old 01-01-2017, 08:51 PM   #1 (permalink)
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Originally Posted by jchammond View Post
Speedometer should be dead on with factory diameter tires; as the speed sensors (2) are located on the output stub shafts...they read it there/ so 3.36,3.69,4.08,4.36 shouldn't change speedometer.....not sure about other features.
Except 370Z's are out by about 10Kmh at 100Kmh. My speedo reads 100Kmh when I'm going about 90Kmh.
Last edited by Optimiser; 01-01-2017 at 08:53 PM. Reason: Additonal content
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Old 01-01-2017, 09:25 PM   #2 (permalink)
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Originally Posted by Optimiser View Post
Except 370Z's are out by about 10Kmh at 100Kmh. My speedo reads 100Kmh when I'm going about 90Kmh.
That's 10% (6.2mph) either you have put very short tires on your ~Z~ or something else is going on....mine is near perfect with new rear tires (26.8,26.9") but as they wear down,you can get 1 to 1.5mph slower than readings of speedo....only 1-2%.
You may want to have something looked at/as i haven't heard of one being that far off.
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