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Trouble Calibrating Speedometer for 33" Tires
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[QUOTE="maplemale, post: 1246499, member: 17366"] There's nothing physically on the VSS. Are you saying maybe it's an aftermarket/altered VSS? So, I did some more testing tonight. I took my tire size all the way down to the minimum with AE and it did seem to have a tiny effect. Before, it was exactly 10mph off at around 60. Now, it's 8mph off, the the speedo says i'm going 70 when i'm going 62. That's a tiny change for bumping my tire size down 2 full inches in AE. Here's the other thing that seems odd to me. If I pull up my "right front wheel sensor" in AE and drive, it is also off by a different measure. For example, i'm getting three different readings with the speedo at 70MPH 1. Speedometer: 70 2. Speed Sensor: 66.5 3. GPS: 62 :cursing: :wtf: [/QUOTE]
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