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Re: [T3] Crazy speedo marks


On 12 Apr 2005 at 14:13, Jim Showker wrote:

> My son and I have been having a lot of fun driving the '69SB around.  He's
> learning how to drive a clutch for the first time.  I was pointing out the
> shift points on the speedo to him and we noticed that the marks are crazy.
> 
> So, can one of you experts explain it?
> 
> First mark, is at 10 mph, or 0 since it's the needle stop
> Next mark is 10 or 20 mph?
> Next mark is 20 or 30 mph?
> Next mark is clearly marked at 30 mph.

I believe that the PO made the same mistake that I made on my '69. On the way 
back from Parma, Dave Hall finally noticed that my markers didn't make sense. I 
realized then that I had taken the speedo apart and put it back together with 
the marker plate reversed left to right. I fixed it soon after getting home.

> Also, at a junkyard, we found a speedo in a '69 SB that is marked with a
> number every 10 mph from 0 to 120 and looks really sporty.  It appears to be
> factory and matched the clock and idiot light gauges.   I've never seen one
> of these, any idea where it comes from? Maybe from a T34?

If it has a black face, that's just a '72-3 speedo. It's main advantage is that 
it comes with a trip odometer, which the '69 would not have had. You'll notice 
that the retaining springs on the case are longer on these, so they really 
won't ever seat in the '69 dash. Odd, though, all the ones I have only go to 
110 mph.

'71 instruments still had the early style grey faces and if you put one in a 
'69 body it would mount properly in the dash. Most of the '71 trip odos also 
came with a shiny chrome trip odometer knob rather than the plastic ones that 
quickly replaced them.

OTOH, most of the units with trip odometers fail due to a weak design in the 
gear train. The odometer just puts enough extra strain on it that it's the 
straw that breaks the camel's back. I can fix these, but it costs $50.

-- 
*******************************
Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA
*******************************

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