[Fot] Cleaning Out My Shop - Give Away

[Bob Kramer]

Where does one buy twisted pair wire like that?


Bob Kramer


On Tue, Nov 5, 2019 at 10:12 AM Jack Wheeler via Fot <fot at autox.team.net>
wrote:

> I've been going through my shop, getting rid of many things for which I
> will have no need in the future.
>
> By the mid-80's, when I was racing the TR-4 in SCCA, I was using a crank
> trigger for my primary ignition system.  I also tried to have a reliable
> back-up, which up until then had been a stock distributor with Lucas
> Points.  But, of course, I never adjusted the points, so when I needed the
> back-up one time, the car wouldn't run right on the stock distributor.
>
> Shortly after that, I was on the phone one night talking with Paul Trapp,
> who I'm sure some of you know.  He was a real genius with all kinds of
> engines (also dynoed my TR engine a few times).  He mentioned that he had
> used a Datsun electronic distributor as a backup in some of the cars he had
> worked on.  The model he used came in the B210 and a number of other
> Datsun/Nissan small sedans.  While we were on the phone, he had me get a
> stock Triumph distributor and a dial caliper.  He had the Datsun
> distributor.  We took measurements of the key dimensions of the two
> distributors, and they were nearly identical.  The diameter of the shaft
> that goes down into the block was exactly the same, and the length of that
> shaft was very close, such that a thin (about 1/4") shim was all that was
> required to get the correct height for the Triumph.
>
> From then on, I used the Datsun electronic distributor as my backup, and
> the performance was essentially the same as the crank trigger.  The only
> modification required was to change the drive gear on the end of the shaft,
> and I had to make up a shim to get the correct height.  An easy
> conversion.  Paul drew up a wiring diagram which showed how to wire up the
> dual system.
>
> When I was sorting through some parts the other day, I came across a spare
> lead that Paul had made up for me, that plugs into the Datsun distributor,
> and with a few feet of wire to attach to the ignition box.  I used a stock
> Chrysler brain box, which cost $25 at the time.  Some people us an MSD,
> etc.  Paul's workmanship was very professional, as indicated in the
> attached pictures.
>
> I hate to throw anything away, especially something that was made up
> specifically for me.  So, if anyone has a use for this connecting wire, let
> me know, and you can have it.  I will even pay the shipping (to the lower
> 48).  I believe it will work for most Datsun/Nissan small sedan
> distributors produced in the 80's and early 90's, and perhaps more.
>
> Jack
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