Recent content by blackturbocars

........ to be clear, yes you can use the PLX narrow band output as the input to your ECM with the wideband sensor installed ahead of the turbo, just remember the "under boost" the indicated a/f ratio will not be correct.

Wideband Lambda sensors primarily count oxygen atom numbers through measuring the oxygen ion current within the molten electrolyte of the sensor’s pump cell. The exhaust gas pressure affects this oxygen ion current – more pressure means more atoms per unit volume and a higher current at the same...

The sensor is designed to operated in near atmospheric conditions. The back pressure in the headers will dilute the reference gas. (The outside air/oxygen) The narrow band sensor operates the same way and is not used by the computer when under boost.

I will work and display actual a/f ratio for non boosted conditions. Under boost the reading will be wrong, and the sensor life will be shortened.

Yes, runner up 2011 Buick Raceday at Summit Raceway Park (Norwalk, Ohio)

I vote stock springs only.

Great job! Persistence counts.

Wiring Generally, hooking up the Hall sensor wrong should not damage it. (Most of the time). Grounding the negative of the sensor at the block is fine IF you have run several grounds from the MS3 to the block as in the schematic provided by Dan indicates. Running a separate ground would...

Give me a call, I can help you troubleshoot your issues. Did you add the 4N25 optoisolators per the schematic? The output (pin 5) goes to "JS10". Do you have the 4.7k ohm pull-up resistor installed? PM sent

12LBCHEVELLE, I noticed in one of your posts you wired the injectors and coils as "cylinder A = injector 1". That's not per the drawing. A=6, B=5, C=4, D=3, E=2, F=1. You will have problems if it's not connected per the drawing! BUT, if you did wire it the way you stated, you could set the...

12LBCHEVELLE, you will need a pull up resistor to the sensor's output to get it to go high when the gap is blocked. The sensor output will be low when the "window" is open. The optoisolator allows you to apply +12VDC to the sensor for noise rejection on its input side, and +5VDC to the...

The GM manual has the wrong colors, GM training manual got it right. CAM sensor wires at the cap: Red = +12VDC , Blue = Signal , Black = Ground Wires from CCCI module to Cam sensor connector: Gray/Red = +12VDC , Blue = Signal , Black = Ground CRANK sensor: Dark Green = +12VDC ...

No updates yet, too much snow to take the car out.

MegaSquirt 3 too Dan, I also purchased a Megasquirt 3 kit just before the holidays as a winter project. I got the kit built in a day and took another day to interface it with a junk yard ECM to use as the connector board. I also installed peak and hold injector drivers on the cut up ECM. I'm...