Bob:
<<<Snip>>>
It takes 4500 rpm to go 60 mph.
<<<snip>>>
One of your instruments is off or you're using very small diameter
tires.
<<<snip>>>
Does anyone know of any other car manufactured in the '50s with gearing
that short?
<<<Snip>>>
Probably not US built, but many European. Other Nuffield products used
the same rear axle such as the Riley or Wolseley.
<<<Snip>>>
Has anyone else heard of this piston velocity rule?
<<<snip>>>
Yes, it mainly has to do with a wear index. When UK dropped the
ridiculous HP tax, those long stroke engines also were dropped.
60-70 MPH. 70 MPH is 4,500 RPM
Blake
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