In a message dated 7/20/2011 5:50:36 PM Central Daylight Time,
yellowtr3 at yahoo.com writes:
> final question on this.
> J type O/D for sure
> running nicely on the freeway, not pulling hard or coasting.
> 55mph
> revs = 2200/2300
> O/D engaged or running without O/D engaged?
>
If you were running direct fourth gear you would run about 44 MPH at 2200
RPM. 55 MPH at 2200 certainly suggests the OD is engaged.
Of course all the caveats apply. Assuming your speedo and tach are
reasonably accurate. And you have a stock differential.
Dave
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