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Timing advance setting with Engine Management System
- Subject: Timing advance setting with Engine Management System
- From: dswalterwi at gmail.com (Don Walter)
- Date: Mon May 2 20:57:19 2005
Okay with the TEC 2 I can set an 8x8 grid for the Advance based on RPM and
MAP (manifold air pressure). I have a 16V 2.0L with Autotech Sport Cams and
have looked heavily throught the Bently on an idea how I should be setting
the advance table. As near as I can find the idle advance should be around 4
to 8 degrees with the full advance by 2500 rpm as 13 degrees mor than base.
Quote from Bently:
CIS-E rpm-dependent timing advance:
total timing @ 2500 rpm = measured base timing value (4 to 8 degrees BTDC)
plus approixmately 13 degrees
In the TEC 3 grid I have it set on average as:
12 degrees at 816 rpm
17 degrees at 1628 rpm
34 degrees at 2440 rpm
36 degrees at 3252 rpm
36 degrees at 4064 rpm
36 degrees at 4876 rpm
36 degrees at 5668 rpm
36 degrees at 7000 rpm
36 degrees total I am thinking about turning down to 28 degrees total.
Does anyone have any input as to how they have theirs set?
--
Don Walter - Waukesha, WI
1986 2.0L 16V TEC 2 Black Scirocco (see progress at
http://www.cardomain.com/memberpage/708939)
1986 2L 16V Toronado Red Scirocco (under repair)
1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
1984 1.8 8V Pewter Scirocco (sold years ago)
1971 Karman Ghia (sold)
1969 Karman Ghia (sold)
1969 Beetle (sold)