thinling about doing DIS ignition.

[fe66comet]

Further ignition thoughts for my FE got me thinking of using a  coil on plug DIS system on my 445. I am thinking I could  use my modified distributor for a cam sensor and use a crank trigger for a crank position sensor. I could then use a 4.6 PCM to make make stuff happen or a modified SN95 PCM?  The original SN95 is capable of waste spark 4 channel ignition but it really is not what I am after. I wonder if I could modify the camshaft sensor and trigger from the 4.6 to work with the FE arrangement, then fabricate support tubes to mount the coils to the head. I guess it would be fairly easy to just use the waist spark system but the coils and wires are still kinda backward engineering.

[TomP]

For what it's worth i've seen so many DIS systems converted back to a regular distributor, often with some tough changes (belt driven off cam or crank) to wonder if there is some major disadvantage with the extra complications of DIS. I am fairly sure coils mounted to a source of heat is one problem.

[fe66comet]

I am thinking of going that way to gain clearance  for my intake and also I have been waiting for a machinist to make a shaft for my distributor for months and he seems not too enthusiastic about the project. I am considering a possable work around at this point. The waste spark system is a doable prospect and the remote mounted coil pack could be mounted in an isolated area. I had a Mountaineer with DIS and never had an issue other than wires and plugs once in 100,000 miles. I never considered the heat issue with a coil on plug deal though, I could see that being a problem with headers and such.