No pinging here at 5 BTDC--remember the 1.9l is only running less than 8:1
compression ratio.

Mark Ingalls <ingalls_mark@HOTMAIL.COM>@gerry.vanagon.com> on 02/10/2002
01:03:31 AM

Please respond to Mark Ingalls <ingalls_mark@HOTMAIL.COM>

Sent by:    Vanagon Mailing List <vanagon@gerry.vanagon.com>

To:    vanagon@GERRY.VANAGON.COM
cc:
Subject:    Re: '85, 1.9 timing questions (cont)

Hi,

Yes, 5 degrees after TDC is what they did. I believe it was a mis-guided
attempt at emission control. If I remember correctly it ended up increasing
some other noxious fume so they quit doing it.

Some of us adjust to 5 degrees before TDC.

There is a risk of pre-ignition doing this, which can cause serious engine
damage.

Mark Ingalls
85 GL

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