Rear axle ratio's

 

  SA VA WA
Factory specification 12:57 = 4,75 9:47 = 5,22 9:43 = 4,78
Mph per 1000 rpm 18 16,3 17,9
Mph @ 3500 rpm 63 57 63
Possible alternative spec 14:57 = 4,1 10:47 = 4,7 10:41 = 4,1
Mph per 1000 rpm 21 18,1 20,9
Mph @ 3500 rpm 74 63 73

Maximum horsepower for a standard VA engine is 54 BHP @ 4500 rpm

Maximum torque for a standard VA engine is 74,3 lb/ft @ 2600 rpm

The required gears for an alternative spec are being reproduced by SVW Spares

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