It's most likely the 0.22mF timing cap. If not that, the germanium
transistors sometime develop a temperature sensitivity. I checked
several Tigers at the British Car meet in Palo Alto today and they were
all off from a little to a lot.
Check out my Tach Tech Tip on the new Web Site. It's got all the
details you need to know.
The web site server just crashed on me a few minutes ago, so it may not
be up again till about 8:00AM tomorrow PDT. I'll let you know.
Mark
______________________________ Reply Separator _________________________________
Subject: Re: Tach/Speedo Error
Author: DSand95510(at)aol.com at SMTPGATE
Date: 9/9/95 10:02 AM
In a message dated 95-09-09 04:59:26 EDT, EPX120(at)aol.com writes:
> Sometimes when the speedo is reading 70 the tach reads 3500 ( I
>have a 356 rear), a little later I notice that the speedo is still reading
70
>but the tach now reads 4200.
I've had a similar problem with my tach. Often just as the car is almost
warmed up, the tach will begin to read about 15% over actual, then after
another ten minutes it will suddenly read accurately again. The guage shows
no other obvious problems, like the needle sticking, jerking or wildly waving
etc. What component(s) would change the reading as the car warms up?
DS
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