Hi,
I read this on a forum: 'the LINK ECU's (MY97-00) normally have a 10° offset, if the value for a certain ignition zone is 'x' then you'll have to add 10° to get the real ignition advance.'
http://bbs.scoobynet.com/drivetrain-11/122225-my99-ecu-and-vf-hybrid-ignition.html
and let me know if this information is reliable?
Regards