[DeTomaso] MSD Plug Gap

Matt Bradley apollo73 at yahoo.com
Tue May 5 17:34:56 EDT 2009


I went back to the archives and found my old post on my experience with this:

>Matt Bradley matt.bradley at comcast.net
>Thu Apr 14 21:34:00 EDT 2005
>
>
>Last year, after having my heads redone, I had initially left the stock gap 
>at about 45 (Autolite 25 plugs).  Well, reading the MSD instructions I
>decided to go to a 51 (supposedly my engine is 10.5:1 compression), and all
>I can say is WOW.  What a huge difference.  I was really quite amazed it
>made that much of a positive effect, but it pulled quite a bit stronger
>afterwards.  So, for those of you running an electronic ignition, if you
>haven't gapped your plugs in the past, look at doing it.  It sure was a
>cheap boost in performance for me. 



      



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