V6 Ignition

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Page created by T Dec 4th 2007:

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VN Series 1 DFI Module. Click to enlargen. Photo and info by HQ_SS

V6 Ignition:

VN Series 1 Coilpack.  Click to enlargen. Photo and info by HQ_SS

Direct Fire Ignition:

The V6 uses a Distributorless Ignition System called DFI otherwise called Crank Triggered because the triggering source is the Crankshaft and not the Camshaft.
VN Series 2 and later. DFI Module and coils, 1 removed. Click to enlargen. Photo and info by HQ_SS
There are 3 double ended coils. The end of one coil connects to the plug of one particular Cylinder that is at TDC on the Firing Stroke and the other end connects to another Cylinder whose Exhaust TDC coincides exactly with it. The Exhaust Stroke spark is wasted which explains why this Ignition type is called "Waste Spark".
Series 2 and later DFI Module.  Click to enlargen. Photo and info by HQ_SS
The same connections are true for each of the other Coils.
Series 2 and later Coils and DFI Module.  Click to enlargen. Photo and info by HQ_SS
At the front of the Engine is a complex set of indentations in the Harmonic Balancer that tell the Engine the Crankshaft position. It is actually  a device called the Crank Angle Sensor (magnet on one side, hall effect sensor on the other side, steel interrupter vanes on harmonic balancer) is used to determine the position of the Crankshaft at any time.
Early adjustable V6 Commodore crank angle sensor. Click to enlargen. Photo and info by HQ_SS
Later non adjustable V6 Commodore crank angle sensor. Click to enlargen. Photo and info by HQ_SS
VK Commodore with 3800 V6 Engine. Click to Enlargen. Photo by Schmee.
 
VK Commodore with 3800 V6 Engine. Click to Enlargen. Photo by Broken Spanner.
 
VK Commodore with 3800 V6 Engine. Click to Enlargen. Photo by Broken Spanner.
 
VK Commodore with 3800 V6 Engine. Click to Enlargen. Photo by Broken Spanner.
 
  

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