FWIW, I recently ordered a new Lucas and Intermotor cap, paying triple for
the Lucas. Inside the Lucas box was the very same cap as the Intermotor. Not
only that, on the TR3/4 caps, the terminals have flat sections ground into
them forthe rotor. The grinding or cutting process was off center, some were
grounded a lot and one hardly at all. I'm using OLD, OLD parts car caps on
my racecar instead.
Bob Kramer
rgk@flash.net
----- Original Message -----
From: "Sally or Dick Taylor" <tr6taylor@webtv.net>
To: "Don Clark" <d@seanet.com>
Cc: <6pack@autox.team.net>
Sent: Wednesday, November 14, 2001 1:38 AM
Subject: Re: Is there a better brand of Caps and Rotors available?
> Don---Can you describe what happens visually with the rotor(s) that
> needed replacing? Can you see scuffing, like the rotor tip came into
> contact with the cap tower terminals?
>
> I've been using Lucas rotors and caps for years without the need to
> replace them move often than say, every 50,000 miles or more. I also use
> the MSD6A (no rev limiting feature) and I can't see any reason for this
> to contribute to rotor failure in and of itself.
>
> The rotor shoud be snug on the end of the distributor shaft, so there's
> no way it can wobble or rise upward to clash with the cap during
> operation. The rotor should also be of the proper length to come close
> to, but not contact the cap terminals. You can wipe the brass edge of
> the rotor with a marking pen to check to be sure no such contact takes
> place, as might happen, say from a very sloppy distributor shaft. Of
> course there should be evidence of contact inside the cap itself.
>
> If your distributor shaft happens to be suspect, this should show up as
> a large variation in ignition timing, and picked up with a light, at
> road speed rpms.
>
> I would start with a good set of Lucas cap and rotor. They're designed
> to work together. (I've seen TR's with some really bad combinations come
> my way.)
>
> Please let us know what you find.
>
> Dick T.
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