Main Menu

speedo runs 10 mph lower than real speed


Model: 911sc, Year:1977, Mileage:128,00, Type of use:Street use only
Can the speedometer be re-calibrated. Mine is off by about 10 mph (slower). Could a replacement transmission have anything to do with it?

You must log in to view answers associated with technical questions. Join PCA to participate in our community.
No votes yet