[Healeys] Power band of two different motors, or is it the rear end?

[Per Schoerner]

Ira
100/six without overdrive was 3.909:1, with overdrive was 4.1:1.
3000 without overdrive was 3.545:1, with overdrive was 3.909:1.

Per

I Erbs skrev 2011-07-09 00:38:
> I was always told that they had different gearing for over drive and
> non-over drive cars, but they do accelerate differently.