[Diy_efi] re: spark advance

[Fehn, Ron G]

i dont think will rattle.  knock sensors step up to plate. might shutter
as the timing is retarded. does so on my sled(shutter).  cant hear it
with my chevy just see it.

-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]
On Behalf Of -
Sent: Thursday, January 13, 2005 3:13 PM
To: tmarstei at yahoo.com; diy_efi at diy-efi.org
Subject: [Diy_efi] re: spark advance


Hi,

as a barefoot efi'er, I suggest you advance spark timing by experience.=20
advance it until engine starts to rattle (dunno the right word for it),=20
then retard a bit. some ignition systems use this method on-the fly,=20
thus faciliating different octane fuels with maximum efficiency... :)

tom

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