Thread: Ignition Timing
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beepbeep beepbeep is offline
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Join Date: Jun 2001
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Originally Posted by billjam View Post
Can anyone explain why the Europe and ROW models are timed at 4000 rpm and not at idle?
Knock insurance. 930 engine is low C/R design that is unlikely to develop any boost at idle. Knock will occur where torque/VE is highest (around 4000 RPM).

That's why you want to be dead sure that advance is absolutely correct around 4000 RPM. If it's incorrect at idle, it will mess up emissions and do other stuff but it won't destroy the engine.
Thank you for your time,
Old 02-10-2009, 12:34 AM
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