i know scotty sorry im just bad at explaining things in the the Speedo reads right.
i already did the global change in the gear and tire wizard dave from tep oked it ill post the stock file so you can see its different.
stock 2007 grand prix.hpt - Google Drive
im just saying from the stock apply release table i should scale it back a bit before i copy it to the current tune 3.29 because all the mph will be lower because of shorter ratio.
sorry if im still not explaining it right im bad at text communication.
