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Re: [T3] Need Speedo


on 12/11/2002 3:28 PM, Peter Legault at one-pioneer@cox.net wrote:

> So please donât out do me. I doh! headed it and removed the
> speedo needle to tighten the face up, donât do that. It now reads about
> 40MPH at 60 or more.
> I new I should have sent it to Jim but I am on a budget and somewhat
> stubborn. I can generally fix most things on my own. The reason I messed it
> up in the first place was to fix the odometer thing that inadvertently goes
> at one time or another on our cars. I hope I can obtain the one online I am
> bidding on.

You can recalibrate those using a electric drill, and a stopwatch. You will
also need a piece of old speedo cable with the speedo end on it (or I just
used a square drive bit when I recalibrated mine).

You use the electric drill to drive the speedo, and you have to hold it at a
constant speed, it doesn't really mater what the speed is, as long as it is
constant. You make a note on what the odometer is on, then start the drill
and stopwatch at the same time. Let it run for a while, until your finger
gets tired on the trigger of the drill ;-) and then stop the stop watch when
you stop the drill.

Divide the time it took in minutes by 60 to convert it to hours, then divide
that figure by the amount of miles that ticked over. What you get should be
the reading in MPH that was on the speedo during the test.

Do this a few times and get the average of your readings, then you can
adjust the needle higher or lower as needed, and re-test to see if it is
right. 

HTH,
Ben Doughney

'75 1200L
'63 1200 - Ringo
'71 1600TL

http://members.tripod.com/~superkafer/ 


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