7A ex cam

Richard Tanimura Richard at Tanimuras.com
Tue Apr 29 21:19:13 EDT 2003


The 20V_Kruemmer group on yahoo has a file with a lot of different cams,
lift, dwell, etc. It is also the best source of info on tuning the 3B I have
seen yet.  Check it out.

Dahlback, Emil (nicknamed Slime) and Mathias are all running 550+ hp T5's.
You might want to talk to them or check out what they have done.



-----Original Message-----
From: 200q20v-admin at audifans.com [mailto:200q20v-admin at audifans.com]On
Behalf Of Brandon Rogers
Sent: den 29 april 2003 17:45
To: 200q20v at audifans.com
Subject: 7A ex cam

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I've heard the 7A exhaust cam may be an upgrade when used in the 3B and I'm
curious where this notion came from.  Has anybody dyno tested using the
different cams?  Does anybody know that the lobes are cut to produce better
power in the 3B?  If so why wouldn't Audi have used it?  Did it sacrifice
low end for high end?  My recollection is the 7A motor is pretty gutless
down low - here in Denver around 5200 ft at least.  I'm in the process of
putting a 3B together for installation into my '84 urq and will have the
opportunity to use the 7A cam if I choose.  All input appreciated.



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