The W number is stamped onto the back of the speedometer. I simply searched these forums and found that each differential ratio had it's own speedometer specifically calibrated for it. The numbers and ...
Hello, I am new to the forum and need to buy a working W=1.39 speedometer. I purchased Andy's little red '76 2002A which had (I assume) larger diameter wheels and tires on it prior to it's sale, and t ...