For my TR-4, I'm pretty sure I used Jeff at Advanced Distributors
http://advanceddistributors.mybisi.com/products/distributors
After discussion with him, he built a Lucas
distributor package that used points and a Bosch
blue coil. He's very specific about the parts
used, and while the spark isn't as accurate as
the crankfire setup I replaced, I'm extremely
happy with it. Got a spare points plate so it's
a quick swap if I have an issue. Runs to 7k rpm
just fine (although I generally shift sooner than that).
Regards, Tony Drews
At 09:57 PM 7/7/2016, Joe Guinan wrote:
>Content-Type: multipart/alternative;
> boundary="----=_NextPart_000_0077_01D1D89A.984F1DA0"
>Content-Language: en-us
>
>Back in 2005 or so we had a long discussion of
>distributor problems; broken mechanical advance
>tabs, junk condensers, and expensive replacement
>parts on the Mallory Dual Point units, worn out
>parts on Lucas units that therefore became
>ammunition in catapult battles, short life spans
>and improper phasing for the Pertronix Ignitors,
>misfires on the MSD units from low battery
>charging, etc. I think the ?123 Ignition? was
>just being introduced around that time.
>
>So a decade or so later, what have we learned?
>What?s working well, and what have you given up
>on? I?m needing to decide which way to go on my
>Spitfire. I have a couple Mallory DP?s lying
>about and several different Lucas units I could
>send off for refurbishing. I?ve looked at the
>Pertronix with their rev limiter box, and it
>seems intriguing. I?ve not heard much about the
>Pertronix or the 123 systems in racing
>use. Knowing what you now know ? what would you
>recommend and what would you steer clear of?
>
>The Spitfire will have an 1147 this season, and
>a 1296 is to be built this next winter. Both
>will run Kastner A6 cam grinds that I just got
>back from Ted at TSI. I?d look at 7000 rpm as a
>limit for now. I?m almost completely
>inexperienced in regards to working on ignition
>systems, so I?d like something with a shorter
>learning curve and a good reputation for reliability.
>
>Joe Guinan
>Fremont, Nebraska
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