pundit
12-12-2004, 12:17 AM
Has anybody heard of an aftermarket anti-knock sensing system?
I know the M50 engines come with it as standard. Of course implementing it with an M30 maybe impractical or impossible? I'm thinking of water injecting a M30 which will allow for increased ignition advance. Of course the static timing can be advanced manually to suit - though one needs to make sure the water doesn't run out! Normally the knock sensor (usually a piezo transducer) feeds the ECU which is programmed to 'listen' to the sounds of detonation. These anti-knock systems rely on electronic control of the timing (not mechanical) ie. a crank angle sensor firing separate coils via the ECU. Properly implented water injection can allow for quite large increases in timing advance with improved power/economy figures. Any thoughts?
I know the M50 engines come with it as standard. Of course implementing it with an M30 maybe impractical or impossible? I'm thinking of water injecting a M30 which will allow for increased ignition advance. Of course the static timing can be advanced manually to suit - though one needs to make sure the water doesn't run out! Normally the knock sensor (usually a piezo transducer) feeds the ECU which is programmed to 'listen' to the sounds of detonation. These anti-knock systems rely on electronic control of the timing (not mechanical) ie. a crank angle sensor firing separate coils via the ECU. Properly implented water injection can allow for quite large increases in timing advance with improved power/economy figures. Any thoughts?