speedo still 10 -15mph off after tuning
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speedo still 10 -15mph off after tuning
Installed my 4.10s in my car tuned it with my efilive for gear ratio 4.100 the car is still off 10 to 15 mph ... read the pcm again and it says 4.100 for gear ratio....anybody know wahts going on thanks for the help
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