I'm looking @ a 1998 Camaro 3.8 5-Speed car. The owner has a 150-MPH speedo in the car. He says when he changed the speedo the mileage of the car didn't change because it is stored in the computer not the cluster. IS THIS TURE? I'm pretty sure the speedo in the car now came from a 2000 Z28 so I think it has more miles than it is showing. Any input?

Thanks

 

well i don't know about the milleage but i do know that the tach is a little off. the speedo part is correct the the tach is off. hardly noticable at low rpms but very noticable at high rpms. might want to check out www.v6fody.com and look under v6 faq. they have a section talkin about switching a 150 speedo into a v6 fbody. l8tr

 

Are you sure about that? I am pretty positive that on a 98 V6 and 2000 LS1 the tach would read right and the speedo would be off, unless he some how fixed it.

 

The mileage is stored in the PCM and in the cluster.

The cluster mileage is what is displayed.

The pcm mileage is used for turning on the change oil light.