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 Post subject: Cam sensor signal - when used?
PostPosted: Thu Mar 08, 2018 6:08 am 
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Joined: Tue Jan 16, 2018 9:38 am
Posts: 31
Location: Aberdeen
ECU Model: S100 Pro
Distributor: DTA
Hi All,
My engine builder is currently fitting a cam trigger pin and sensor to my GSXR1100W engine, and is worried that the small diameter of the trigger pin rotation circle (Pin in the end of the cam similar to a Hayabusa setup?) may trouble the GT1 Honeywell sensor I was planning on using. He's concerned that the pin arrangement/spacing doesn't meet the specs required in the sensor spec sheet.

Does the S100 only need the cam signal to get going, or does it need it continously to run sequential?

I'm pretty sure I've seen these GT1 sensors being used as a cam sensor on Hayabusa engines - so despite not offically meeting the specs, may well be up to the job?

All help appreciated,
Cheers
Steve


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 Post subject: Re: Cam sensor signal - when used?
PostPosted: Thu Mar 08, 2018 7:51 am 
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Joined: Fri Feb 28, 2014 1:03 pm
Posts: 1030
ECU Model: S40 Pro
Distributor: DTA
Firmware Version: 79
Hi Steve

The ECU can be set to ignore the sensor for starting purposes. The injectors are batched, and the coils are fired in wasted spark mode until the RPM threshold has been reached.
However, once the ECU has switched to sequential, losing the cam sensor will cause the engine to stop running.


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 Post subject: Re: Cam sensor signal - when used?
PostPosted: Thu Mar 08, 2018 8:23 am 
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Joined: Tue Jan 16, 2018 9:38 am
Posts: 31
Location: Aberdeen
ECU Model: S100 Pro
Distributor: DTA
Excellent, thanks Alex.


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 Post subject: Re: Cam sensor signal - when used?
PostPosted: Thu Mar 08, 2018 1:57 pm 
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Joined: Sun Jan 27, 2013 6:08 pm
Posts: 246
ECU Model: S60 Pro
Firmware Version: 29
I put a M6 screw in my GSXR 1460 inlet cam for a cam sensor - stock Busa one was a bit flakey but a Magnetti Minareli Ducati Hall effect type worked fine - rotating dia was no more than 35mm.


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 Post subject: Re: Cam sensor signal - when used?
PostPosted: Sun Mar 11, 2018 5:57 am 
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Joined: Tue Jan 16, 2018 9:38 am
Posts: 31
Location: Aberdeen
ECU Model: S100 Pro
Distributor: DTA
Good info Katana - I've not seen a picture of how mine's been done, but expect something similar.
We'll try with the GT1 hall sensor, but may also try a Suzuki magnetic one as it'll mount better in the cam cover.


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