it's marked right on the face of the gauge.
I was the one that started the thread just a couple of weeks ago.
I was reading slow (speedo read under what I was doing)
I've come to find that most if not all 1500 series spits had the 1000
speedo. Your error is the gear ration of the angle drive.
When I put in my O/D tranny (that had an angle drive attached)
my speedo read correctly after the swap!
So now I have the O/D in the car, with angle drive and a 1000 speedo
and it reads correctly to within 1mph at 70mph.
Paul Tegler wizardz@toad.net http://www.teglerizer.com
-----Original Message-----
From: Patrick Baize <speedracre@netzero.net>
To: Spitfires@autox.team.net <Spitfires@autox.team.net>
Date: Saturday, August 05, 2000 10:01 PM
Subject: remember 1280 vs 1000?
>
>OK all
> A while back we had a discussion about speedometers and Over Drives.
>My Spit has an Over Drive and the speedo siezed and took out the cable
>and angle drive as well. I installed a used speedo that I got from one
>of the listers. Same year as my car, but with no overdrive. I finally
>got an angle drive and installed it this morning. Seems the speedo is
>reading a little on the high side. I'll have more detailed info later,
>after I do some checking.
>
>My question is, How do you tell a 1280 speedo from a 1000 speedo?
>
>
>THnx
>Pat
>
>
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