Speedometer Ratio Box

I changed the differential ratio of my E-Type about two years ago. My car was first delivered in the USA, so it came standard with 3.54 ratio. Most of the 4.2 cars were standard with 3.07. When the car was restored in the 90’s, it was converted to 3.07. However, the previous owner converted it […]

W126 Differential Ratios

The W126 range was in production from 1979-1991. I’ve never seen a comprehensive table of W126 differential ratios, so I have attempted to create my own. Not only did they vary between models and years, but in some cases countries too.

It is possible I have missed a few more country specific ratios. Please indicate […]

E-Type differential ratios

What the best differential ratio is for a straight six engined E-Type (Series 1 and Series 2) is one of those topics that generates plenty of opinions. So much so that my car has had two changes over its life. US delivered E-Type started life with a 3.54 ratio, which my car now has. This […]