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Discuss all things tuning in this section. News, products, problems and results.
I want to raise a topic which is most important for any tuner when he first try to get starting the engine.
Most tuners get confused when it's come start searching about Ref & Sync information setup for any specific engine.
During my long research in this subject, I didn't find anyone that explain how to extract this data in practical way.
(How to find the crank degree by using a timing degree wheel, how to count the teeth, trigger type, teeth number etc....)
A lot of information have to be correct to get the engine start.
I just want to point you that if you can do this you will see a huge turnout of people in this subject.
What ECU are you using? Since you use the term "Ref & Sync" I will assume Motec. Have you viewed their webinars and read the ECU help file on the subject? Even if you are not using Motec, the same principles will apply to most ecu's.
Introduction to Ref/Sync: [url=https://www.youtube.com/watch?v=mv0-9_JS8oA]https://www.youtube.com/watch?v=mv0-9_JS8oA
How to set up Ref/Sync: [url=https://www.youtube.com/watch?v=87_SRTuGZu4]https://www.youtube.com/watch?v=87_SRTuGZu4
Ref/Sync Troubleshooting: [url=https://www.youtube.com/watch?v=9e5JJHwaehw]https://www.youtube.com/watch?v=9e5JJHwaehw
How to use Ref/Sync capture: [url=https://www.youtube.com/watch?v=weVDPIcYaPE]https://www.youtube.com/watch?v=weVDPIcYaPE
Also take a look at : https://www.hpacademy.com/previous-webinars/148-trigger-systems-explained/
Actually I'm using both M800 & M1 software.
So it's no need to open the engine and do the processes that the Motec said ? Because the Motec company said that you have to use a degree wheel to find the Reference offset number !!!
One time I tried to hook the timing light in #1 coil in cylinder #1, I disconnected fuel injector but I kept the spark plug fitted in place. I start to cranking the engine but my timing light sometimes flashing and sometimes doesn't !!! I did check the coil with spark plug if it's work or not on the chassis and it was work, but when I hook the flash light to the coil and start cranking sometimes flashing and sometimes doesn't !!! I don't know what's the problem !?
My main question is what I should use ( tools or an oscilloscope ) to know which is the exact degree to fill the (Engine Reference Offset on the M1) or (Crank index position on the M800)?
Also for the picture No.3 how to start do this procedure?
Use a timing light, you do not need to physically measure anything. If your timing light doesnt flash then you either have a spark energy problem or a timing light problem, you need to fix that before you proceed.
Even if you did physically measure the crip with a degree wheel, it will only give you a close starting point, you will still need a timing light to confirm it is correct and fine adjust it once its running.