[Diy_efi] Distributor cap Q

[Barry]

Do you mean the tip of the rotor & the terminals in the cap around the 
outside?  In every distributor I've ever seen, there exists a gap between 
these two parts.  There never IS any contact between them.  Gaps can vary 
between .010" and .095" (measured on my Sy 4.3L) depending on what cap / 
rotor brand you use.  Great quality control, eh?

Barry - Sy#26
Bangor. MI

At 12:03 PM 12/7/02 -0800, Adam Wade wrote:

>I've seen this, from arcing due to spark advance being
>such that the spark fires before complete contact is
>made between the cap terminal and the rotor terminal.
>IF your ignition TIMING is not set by the distributor
>body (i.e., if you have solid-state ignition and the
>pickup is not in or on the distributor body), rotating
>the body so the contacts line up better at the time of
>full advance spark would be my advice.  And of course,
>replace the cap and rotor.  ;)


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