View Single Post
Old 12-31-2013, 06:23 PM   #9
68c10owner
Registered User
 
68c10owner's Avatar
 
Join Date: Oct 2003
Location: Carmichael, California
Posts: 3,006
Re: 1997 gmc speedo recalibration

Quote:
Originally Posted by 95 S_Trucker View Post
Most factory speedometers read slow. I put 285 75 16 on my truck where 245 75 16 and the speedo is accurate right now.
Every speedo I have GPS's has been off from the factory. When it says 55mph its actually 53mph. We'll see if its off. I heard the speedo being off could effect the transmission shifting, ABS, and the airbags if I'm in a accident. Just don't want any issues.
__________________
Anthony
68c10owner is offline   Reply With Quote