The tachs are the same. They read off the ignition coil. The gearing for
the Syncro is very close. Tire size will have an impact. If using a
185/82-14, (~26") 3800 rpm + 68 mph. The 205/70's will be noticeably
slower. The tachs do go bad so that may affect your readings. Most VW
speedometers tend to be overly enthusiastic. Borrow a GPS to determine
true readings for bot the speedometer and odometer.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of Jason Willenbrock
Sent: Sunday, April 11, 2004 10:14 AM
To: vanagon@GERRY.VANAGON.COM
Subject: syncro tach ques

hey all,
i posted this question a couple days a ago but i will post again for
some
more insight.  are the tachs in a syncro the same as tachs in 2wd
vanagons?
i am using a tach from a 2wd in my syncro and the rpms seems to be
reading a
hair off.  also, when i fill up with gas to full, the gauge only reads
3/4
full, now i am not a pessimist but i would like it to read properly.  is
that due to the tachs being different?  or is something else going on
here?
also, do syncros go as fast as 2wd vans?  the reason i am asking is
because
my speedo is not working and when i am at 4000 rpms in my syncro it
feels
like 63 or 64 when i am at 4000 in my 90 gl it reads 70 mph.  any
insight
here is greatly appreciated
thanks
jason
87 westy syncro project almost done!

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