Schrick Cam installation

[Brendan K. Walsh]

----- Original Message -----
From: "Alan Pritchard" <apritchard at seaeye.com>
To: "'Tony Lum'" <tlum at flash.net>
Cc: "Quattro List (E-mail)" <quattro at audifans.com>
Sent: Tuesday, May 04, 2004 11:28 AM
Subject: RE: Schrick Cam installation


> How does the ecu know where tdc is? Apart from the hall sensor it has no
> other reference does it? The timing marks on the flywheel are 0, 12 16 and
> 18 iirc, there maybe others.... So I guess the hall is triggered 60
degrees,
> but the actual spark at idle doesn't take place until the 12-18 btdc
> marks..... javad has mentioned this as well that the base timing cannot be
> changed, I just don't get how the ecu knows...


isn't there a reference pin on the fly wheel for the timing in E3 cars?
Sends a signal to the hall via the ecu or vice versa? The fly wheel i have
has a ton of pins in the face around the perimeter.I would assume there's
one fro cyl 1 tdc...

"If God had intended us to walk he wouldn't have invented roller skates."
Gene Wilder, Willy Wonka and The Chocolate Factory.