- Fri Nov 05, 2010 4:29 am
#221670
The OEM dizzy uses a mag reference sensor. It produces a wave pattern sorta like a heartbeat in other words its a simple high to low or low to high trigger. It produces its own current/voltage.
The triggers is what the ecu is looking for.
The TDC uses 1 trigger per revolution. Since the cam turns at 1/2 the revs of the engine, this sensor only triggers when #1 cylinder is on firing order hence the TDC designation. Motec calls this the Sync sensor.
The CKP sensor is 24 trigger per rev. Since the cam turns at 1/2 the evs of the engine, this sensor matches the 12-tooth CKF sensor used if front of the oil pump on the OBD-2 models. Motec calls this the Ref sensor.
The CYP sensor is redundant but its what Honda decided to use. It has 4 triggers per revolution. Its just another way for the engine ecu to run the vehicle in case the CKP sensor were to fail. Most standalones don't use this sensor.
The K-series use a hall effect output. Most hall effect sensors use a magnetic field that is broken with a trigger wheel. GM is very fond of using these on their crank pulleys. Hall effect sensors give a "cleaner" digital signal. They simply go high to low like an on-off switch. The voltage is usually 5,8,or 12 volts so the chance of noise interferance making a chnage in the output is slim to none and the wires don't need to be shielded. However, the K-series and other sensors that make a hall effect digital output work off a mag reference sensor that has a transistor built in that changes the output to a digital sensor.
If you want to change the setup to individual coils it can be done.
The first step is to install an OBD-2 oil pump, crank timing gear and CKF sensor and use its output for the CKP sensor input. Next install triggers on the OEM cam gears to trigger a TDC output and CYP output. That would be 1 and 4 triggers respectively.
Once that is done the dizzy will only be the cylinder selector for the spark interval. Then you will need at least either another ignition trigger for waste spark or 3 more triggers for individual coil on plug.
CBR 600/929/954 coils will work with IK20/24 Denso iridium plugs since the terminal end can be unscrewed. The coils will fit under the B-series plug wire cover but they will more than likely need a CDI like an M&W pro-14 4 channel trigger to ignite them since the coils are fairly weak along with a 4 channel igniter (or an acura legend 6 channel igniter).
Since the OEM igniter sends out a tach output, it would also be necessary to have an igniter that could have a tach output built in.
So to answer your main question, yes it could be done but I'm not so sure who would want to go thru with all that.
COPIED FROM=
http://www.hondata.com/forum/viewtopic.php?t=7759
Due to the way the stock honda ECU is, you cant do like a plug and play.
D16z6. Golden Eagle. AFI Turbo. Precision Turbo. Hondata. CG racing.
618hp, 407tq SOHC 10.68@137
My 92 hatch SOHC build. Quest for +600hp. Check it!
Reminds me of mine, minus the huge Turbo, cage, and a few other things. What's low boost like 26psi?
