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 Post subject: Crank and cam sensor on YB
PostPosted: Wed Dec 06, 2017 2:11 pm 
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Joined: Wed Dec 06, 2017 1:55 pm
Posts: 40
ECU Model: S100 Pro
I am installing an S100 on my YB , This is my first time on a cosworth engine.
I purchased a 36-1 trigger wheel, and i am going to leave the original Marelli sensor VR type.

On the cam sensor side, i will also leave this in the distributer body just like oem but i will grind the one of the flags on the shaft. As the marelli uses 2 flags per 720deg.

I know that the crank sensor position is adjustable in the DTA configuration, But is there a best position where it can be installed.
Regarding the cam sensor , should the pulse be just before the missing tooth on the crank?

Thanks and Regards
Warren


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 Post subject: Re: Crank and cam sensor on YB
PostPosted: Wed Dec 06, 2017 2:20 pm 
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Joined: Sun Jan 27, 2013 6:08 pm
Posts: 246
ECU Model: S60 Pro
Firmware Version: 29
Usual CPS position is ideally about 90 degrees BTDC. Regarding cam sensor it really doesn't matter the position just that it flags up somewhere once every 720 degrees.


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 Post subject: Re: Crank and cam sensor on YB
PostPosted: Sun Dec 10, 2017 2:38 pm 
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Joined: Wed Dec 06, 2017 1:55 pm
Posts: 40
ECU Model: S100 Pro
Thanks for your reply, Katana
Just got my pulley machined now, I was going to use a trigger wheel but my engineer suggested cutting slots in the pulley itself, I agreed since it would shed weight.



Regards
Cpur


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 Post subject: Re: Crank and cam sensor on YB
PostPosted: Sun Dec 10, 2017 3:45 pm 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2852
Location: Norn Iron
ECU Model: No ECU
Looks to be a good job.


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 Post subject: Re: Crank and cam sensor on YB
PostPosted: Thu Dec 14, 2017 4:10 pm 
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Joined: Wed Dec 06, 2017 1:55 pm
Posts: 40
ECU Model: S100 Pro
Was going to get some wave forms tonight but i discovered that the connection is not a normal serial port, I need an adaptor from 15 to 9 pin dtype.
Couldn't find an old monitor to cut of the lead.

Regards


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 Post subject: Re: Crank and cam sensor on YB
PostPosted: Thu Dec 14, 2017 5:24 pm 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2852
Location: Norn Iron
ECU Model: No ECU
http://www.quantums.info/dtalead.htm


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 Post subject: Re: Crank and cam sensor on YB
PostPosted: Sat Dec 16, 2017 3:21 am 
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Joined: Wed Dec 06, 2017 1:55 pm
Posts: 40
ECU Model: S100 Pro
Hi all.
Trying to start this morning. Must have woke up all neighbourhood.
When i checked the oscilloscope . I got either 78 or 258 deg. My strobe is not working on the cop
But it should be 78 deg.
Cam signal as shown on the scope is on the 33 tooth. 35th is the 1st tooth. So the cam is at around 30 deg btdc. So should i input 330deg?
I am not sure if it is on the first 360 or the second cycle. This surely makes a difference. Am i rigth?

Regards
Backfires from malta


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 Post subject: Re: Crank and cam sensor on YB
PostPosted: Sat Dec 16, 2017 3:22 am 
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Joined: Wed Dec 06, 2017 1:55 pm
Posts: 40
ECU Model: S100 Pro
BY the way.

Thanks stevieturbo for thw link


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 Post subject: Re: Crank and cam sensor on YB
PostPosted: Sat Dec 16, 2017 5:44 am 
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Joined: Thu Jul 28, 2011 4:10 am
Posts: 813
ECU Model: S100 Pro
I wouldn't worry about the cam sensor for now, just get it started in batch mode


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 Post subject: Re: Crank and cam sensor on YB
PostPosted: Sat Dec 16, 2017 6:06 am 
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Joined: Wed Dec 06, 2017 1:55 pm
Posts: 40
ECU Model: S100 Pro
Ok got it running, and now sequential is working too.

I didn't notice the -359 to 359.

Got my answer.

Lambda next to check for Inj dead time.

CHEERS GUYS


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