> The engine speed for 60-65 mph sounds about right, I have an 85' 5000s
> with automatic transmission and at 60-65 mph it's engine speed is
> around 3000-3500 rpm, it varies between that range depending on the
> load it is carry and also the gradient of the road that you are on.
One of the nice things about the 5 speed from this time period was
that both 4th and 5th were overdrive gears. In 5th at 3000 rpm, I'm
going 74 mph. Makes for great gas mileage too.