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View Full Version : 110mph speedo to 150mph speedo


94z28m6
12-25-2007, 04:31 PM
i know if i was to get a gauge overlay i would have to get the computer calabrated to rear problerly, but if i was to get a hole new cluster.. would it just be plug and play? *current speedo is in kph, but its the whimpy 110mph* or would i still need to get it calabrated in?
any one does this? its a 1994 z28. id be looking to get a new or used 95 or 96 cluster