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**mongocanfly** · 07-15-2021, 08:54 PM

GPS is what I was gonna also say..I have a handheld and checked my C30..it was off..used it to recalibrate my z71 when I went to 285s..

07-15-2021, 08:54 PM	#6
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,583	Re: Wrong mileage GPS is what I was gonna also say..I have a handheld and checked my C30..it was off..used it to recalibrate my z71 when I went to 285s.. __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver