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about the knock control

Posted: Fri May 11, 2012 1:56 am
by newpassport
why the 'ignition(mbt)' be lower than the 'knock ignition limit' and ' low octane knock limit ignition advance' before 60kpa?thanks

Re: about the knock control

Posted: Fri May 11, 2012 7:38 am
by Hondata
That means that maximum power is achieved before the engine knocks. Black line = MBT = max power, red/blue lines = where knock starts.

Re: about the knock control

Posted: Tue May 15, 2012 1:01 am
by newpassport
Hondata wrote:That means that maximum power is achieved before the engine knocks. Black line = MBT = max power, red/blue lines = where knock starts.
thanks you.

more advance igniton timing not equal more power.