Hello,

the ratios are:

140mph aprox speed

direct top 1:1

1: 2.733
2: 1.769
3: 1.312
4: 1.041
5: 0.850


160mph aprox speed

direct top 1:1

1: 2.733
2: 1.750
3: 1.200
4: standard direct on shaft
5: 0.720

please reply and write me at: oppliger.cosworth@tiscali.it

best regards

Oppliger