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350 GM - Trigger Pickup


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Hi Guys,

We have a G4+ Atom which we are wanting to install into our boat.

It is a new GM 350 motor with standard GM TBI fuel injection. The current motor does not have a crank sensor however, the ECU only relies on the distributor unit for pickup, and a live +12V on cranking from the starter.

Will we be able to set the trigger up with this? Or will we need to retrofit a crank angle sensor and run the wiring?



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  • 2 weeks later...

Thanks - so this would be setup as Optical / Hall, priority on trigger 2 as cam? 

What should I set the cam pulse to? Unfortunately the Atom does not have a trigger scope.. which makes things a bit harder.


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