The Classic Opel Forums - View Single Post - Entire Rear axle swap, need speedo drive gear

opelnut10 · 07-04-2009

Tooth count alone will not correct 20% error, each tooth only corrects about 2-3% (more teeth) you need the number off the face of the speedometer (under needle center about 1 inch) once you get the right speedometer head for your car then you can play with tooth count.

07-04-2009	#3 (permalink)
opelnut10 Living in the past Join Date: Oct 2005 Location: Chesapeake, Virginia Posts: 1,371 Real Name: Lloyd	Speedometer error Tooth count alone will not correct 20% error, each tooth only corrects about 2-3% (more teeth) you need the number off the face of the speedometer (under needle center about 1 inch) once you get the right speedometer head for your car then you can play with tooth count.