Quote:
Originally Posted by ehmach
I have and auto mach, if i install 410 do i need to reprogram right away or is the speedo the only thing affected?
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The speedometer is the only thing that will be affected. You can drive it all you want until you get it calibrated. Just keep in mind that it will be reading about 15.5% faster.
When it says you are going 40 you are really only going 33.8
50 = 42.45
60 = 50.7
70 = 59.15
80 = 67.6
This can make a big difference on your odometer if you don't ever fix it, but it won't hurt anything.