Speedometer Adjustment for 5KTQ?

[C1J1Miller at aol.com]

http://members.aol.com/c1j1miller/body.html#Spedometer/Odometer


"Swann, Benjamin R. (BSWANN)" wrote:
> 
> After comparing speedo with computer, 5 mph seems relatively consistant even
> up to 60.  I haven't had a chance to check higher speeds, but it seems the
> deviation is closer to 5 MPH rather than 10% I originally thought.  Yes it
> has probably been doing this all along.
> 
> I dont know if I want to move the needle, as this would make the speedo
> incorrect at low speeds, yes?  Also, I'm afraid of breaking it or making it
> worse than it was. I can live with 5mph deviation at 60.  At least I know
> how to correct for.
> 
> I wonder if the speedo reading inaccuracy correlates at all with the
> odometer reading.  I'll do some more sampling on a long trip.
> 
> I would be interested in any other information regarding correcting the
> reading, particularly with changing the resistor.
> 
> Thanks for all replies.
> 
> Ben
> '87 5000cstqw