1993 Honda Accord

[aut0m4tic1]

My car is a 1993 Honda Accord with an F22a6 motor. Ported,polished head, T3T4 Turbo, Forged Pistons, Billet Rods, 690cc Injectors, LC-1 WB02, 3bar map sensor. Its almost to 300HP, but I need to go to the dyno again to see how close. I made 250 on 5psi and timing that ruined the pistons. Now I am at 15psi and have tuned it to live longer.
I only run 1 VR sensor in the distributor. I use a 24-2 wheel. 22 physical teeth with space for the 2 missing teeth. With the wheel running at cam speed it gives TCD and I run Sequential injection, but still have the dizzy, but would like to convert to COP in the future.
_|-|_|-|_|-|_|-|___|-|_|-|_|-|_ (ASCII art o-scope output)

^
^
missing tooth
gives a long low signal

[AndreyB]

is the 24 VR wheel on cam stock configuration?

[aut0m4tic1]

No. It came with a 24 tooth. 4 tooth and 1 tooth wheels all in the dizzy. All vr sensors. I still have a stock dizzy if you want a pic

[AndreyB]

No. It came with a 24 tooth. 4 tooth and 1 tooth wheels all in the dizzy. All vr sensors. I still have a stock dizzy if you want a pic

So 24/2 is part of the original configuration and you took something out for some reason? Trying to figure out how far from stock you are

[aut0m4tic1]

Stock is 3 seperate wheels with 1 sensor each wheel. 24 tooth for crank position 4 tooth for ?? Supposedly tdc of each cylinder and 1 tooth for #1 TDC. I removed the 1 and 4 tooth wheels and left only the 24 tooth wheel, but I ground 2 teeth off of it. I did this to solve noise problems (false triggers) with the megasquirt. I left the wiring for the other 2 sensors in the car, but I connected them together and taped them up by the dizzy and grounded them at the megasquirt so they worked like a sheilded wire.

[AndreyB]

Gotcha. Pretty far from stock

Do you have a picture of this dizzy? Some time ago I was looking for a VR dizzy so that I can play with VR on a bench but I have only found crankshaft VR sensor, all the cam stuff was usually Hall.

[aut0m4tic1]

Russian:
At the top you can see the 1 tooth with its vr sensor, middle is 24 tooth and bottom is 4 tooth.
As you can see from the picture, there is an offset on the 1 tooth to the 4 tooth which should be TCD for each cyl. I figure that the Honda ecu needed time to accept interrupts and having both teeth on #1 TDC would be hard for the ecu to read.

[AndreyB]

I have created a skeleton for your engine configuration.

if you upload a fresh version of the firmware and execute a set_engine_type 6 command you should get a trigger decoder for your 24/2 wheel. You can play with it you jump the emulation signal pin to the signal input pin.