Re: Ignition, wires, & plugs

From: Bob Tom (tigers@bserv.com)
Date: Mon May 22 2000 - 11:58:52 EDT


At 09:08 AM 5/22/00 -0400, you wrote:
>I have a Mopar Performance PCM on order and would like to know
>if upgrading my ignition, wires, & plugs is necessary for better
>performance? I assume the PCM is going to advance the timing and
>possibly increase the spark, is this true? What does the PCM actually do?

Terry Herrin did a dyno showing a small gain with an MSD.
      http://users.isaac.net/therrin/dakota.html

The PCM does what you mentioned plus gives a more aggressive fuel
map. It also raises the speed (don't know what) and rev (~6200, I think)
limiters and shift point rpms to about 5200 rpms.



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