Depending on the points style, there is a second stepped nylon washer that
has to go on the post before the spring. Sometimes, the two washers are
linked with a strip of nylon. Others use a flat phenolic washer, but the
points spring must be insulated from the post.
One alternative to the specter of having to deal with all those little parts
to be dropped and lost while sitting at the side of a busy freeway is to
keep an entire spare points plate, with points installed and gapped, in the
trunk. The points plate from a MGB or MG midget will fit a TR3 ...
Randall
59 TR3A daily driver - Crane ignition, points in the spare tire <g>
William Hook wrote :
>
> The Lucas points however have a nylon washer with a collar that
> isolates the
> "spring end" of the points and connector wire from the pivot post on the
> distributor base.
> 1. The points (spring) fit on the post first,
> 2. then the connector wire ring,
> 3. then the plastic washer with the collar down to isolate the
> wire and spring
> from the post,
> 4. then the nut on top.
> I didn't do this so my points were always shorting out to the disttributor
> (ground).... rather than breaking the circut when they normally open which
> would allow high voltage to flow thru the large center wire from
> the coil to
> the plugs via the rotor.
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