The speedo was reading on the - 20, so at 55, i was really doing around 75.
Of course being a used one, there could have been something wrong with it.
I am not sure how u visually tell a difference; but the used one that i got
is marked 206-20; on the inside. My original had a different set of numbers
marked on it.
Al
----- Original Message -----
From: "John & Allison Cyganowski" <janah@att.net>
To: <6parts@charter.net>
Cc: "6pack" <6pack@autox.team.net>
Sent: Thursday, August 18, 2005 7:17 AM
Subject: OD Speedometer: Was Re: tr6 overdrive
> <snip>
>
> After swapping the guts out, it turns out it must have come from an non
> O/D
> car and it was reading about 20 miles off. ( I didn't realize the gear
> ratio
> in the speedo's were different) So I ended up taking the gear keeper off
> the used one and put it in mine and now everything works as it should.
>
> <snip>
>
> Okay, this sounds familliar. What happens to your odometer in this
> situation?
> When you say 20 mph off do you mean +20 or -20?
>
> Is there a way to tell an OD speedometer from a non-OD speedometer?
>
> John Cyg.
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