Quote:
Originally Posted by TerribleONE
When I had my G37.. I saw 173 on the speedo and it was not tuned... Wondering if the governer is not always set from the factory? I have been in some BMWs that have blown past the governer as well untuned..
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The speedo can be WAY off so I wouldn't go by that. It's possible the governor is RPM based and you weren't quite at that RPM, but the speedo was reading much higher.
You really need to be looking at your RPM and use your gear ratios and tire heights to back your way into your speed. And verify things with GPS (which also has a margin of error).