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Originally Posted by 3Hummer
what i want to know is when you move u how do you re-adjust the speed gauge so it shows the actual speed my friend just moved up from 32" to 33" on his rig and it shows 78 when hes going 75 etc.... so anyone know how you re adjust this?
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Originally Posted by Sewie
You can reprogram the PCM for the difference in tire size, so that the speedo and odometer are correct.
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First sentence in the post above yours.
