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914World.com _ 914World Garage _ Ignition Upgrade ?

Posted by: Coldrolled Dec 7 2007, 05:49 PM

Hello all.
My question concerns the 914 stock ignition.
Can a Jacobs Ultra coil be used in the 914 reliably without compromising the ignition wiring harness?
Thanks
Mike
North Haven Ct.
1975 1.8l

Posted by: Brando Dec 7 2007, 07:55 PM

The stock ignition wiring is basically a +12V switched (from ignition) wire run to the + side of the coil.

From there, you have your triggering on the - side of the coil (distributor points or compufire/pertronix), your trigger for the fuel injection and tachometer.

Whatever system you install will have to provide an output for your tach/injection.

Posted by: p914 Dec 8 2007, 09:52 PM

QUOTE(Coldrolled @ Dec 7 2007, 03:49 PM)

Hello all.
My question concerns the 914 stock ignition.
Can a Jacobs Ultra coil be used in the 914 reliably without compromising the ignition wiring harness?
Thanks
Mike
North Haven Ct.
1975 1.8l

I have a Jacobs, ICE PAK for sale for $100. I bought it refurbished from Jacobs and replaced with MSD while rebuilding my 2.0 to a 2.7 with SDS EFI.

The Jacobs did a great job and still works if you want it. A good price too. I was able to put it in myself (and I ain't no mechanic).
Eddie