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Old 04-09-2015, 04:51 PM   #1 (permalink)
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Adjusting vss pulse number for tire size

Tried searching and couldn't find anything. If my tires are 3.6% bigger should I just scale the vss pulse number for my car in the chart back 3.6%?

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Old 04-09-2015, 04:59 PM   #2 (permalink)
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If your speed readings are 3.6% lower with then yes you'll want to lower your VSS pulses per mile down 3.6%
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Old 04-17-2015, 08:37 AM   #3 (permalink)
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Best way to deal with the issue is to compare your odo with the distance marks.
For example you drive for 20 miles/km and you check your odo in comparision with your MPGuino, or any other device. Then you calibrate it to show the proper number for the traveled distance.
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Old 09-02-2015, 01:03 AM   #4 (permalink)
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What is the method for adjusting the pulse?
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Old 09-07-2015, 07:23 AM   #5 (permalink)
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Mpguino calibration - EcoModder
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Old 09-07-2015, 02:32 PM   #6 (permalink)
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Vic Hickey's son, Jim, manufactured an "add-on" digital box for GM products that connected between the wheel sensor and ECM to provide digital "calibration" of speedometer readings.

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