CDI's in Oz

[Raymond C Drouillard]

On Fri, 22 May 1998 07:30:48 +1200 Mike Morrin <mikem at southern.co.nz>
writes:
>At 08:25 AM 21/05/98 -0700, garfield at pilgrimhouse.com wrote:
>>On Thu, 21 May 1998 20:23:03 +1200, Mike Morrin 
><mikem at southern.co.nz>
>>wrote:
>>
>>>I wouldn't recommend any CDI for a modern 4 cycle engine.
>>
>>Ehh? Wow, what about the SAAB system we've been discussing, which has
>>been in the field with nary a single design change, since '92?
>>
>>Whadamy missin here, Mike?
>>
>I must learn not to make throwaway comments...
>
>Just the reason of CDI sparks being too fast for lean burning motors.
>Typically causing a light throttle misfire. 
>
>CDI apparently needs either a rich mixture, or a combustion chamber
design
>which ensures that there is plenty of gas near the spark gap at the time
of
>ignition.
>
>I don't know whether Saab have a way of stretching the spark (the DSE
kit
>doesn't), or if they just have an engine design which tolerates short
spark
>duration.
>
>regards,
>Mike Morrin

I used a Heathkit CDI system on the 383 V8 in my old Roadrunner.  It made
a great improvement over the stock points system.  Right now, I am using
a Jacobs ignition system in my Jeep Grand Wagoneer's AMC 360 V8 with
Holley Pro-Jection 4Di.  It works great.

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