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speedo still 10 -15mph off after tuning

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Old 10-26-2008, 02:52 PM
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Question 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
Old 10-26-2008, 02:59 PM
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What version EFI LIVE are you using?
Old 10-26-2008, 03:06 PM
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Originally Posted by roy
What version EFI LIVE are you using?
V1 tuning tool thats on my laptop
Old 10-26-2008, 09:33 PM
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did you set tire size on efi live?
Old 10-27-2008, 12:30 AM
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Originally Posted by quik01ss
V1 tuning tool thats on my laptop
Okay you have a V1, now what soft ware version are you running with it?
Plus what is your tire size you are using. A couple of us can double check with our tuners on your numbers that are outputed.




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