[TR] Name that distributor (TR3)

[Art McEwen]

Hi Bill,   I could but they're old too so probably losing smoke anyway.
 
On 10/15/18, wbeech <wbeech at flash.net> wrote: 
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> Art,
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> Can’t you just cut the ends on the leads and fit them into the side entry cap?
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> Bill
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> From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of Art McEwen
> Sent: Monday, October 15, 2018 9:34 AM
> To: Randall <tr3driver at ca.rr.com>; triumphs at autox.team.net
> Subject: Re: [TR] Name that distributor (TR3)
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> Thanks Randall,
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> Yes they sent me LU422318 according to the packaging.   It appears from britishvacuumunit.com that that part along with LU54413549 (moss 153-640) might work, although it's not clear from any of the photos if that terminal connector is meant to fit *over* the fork of LU421078 or *instead* of the fork.  
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> To further complicate things the internal contacts on my "up style" distributor cap are pretty crappy and I have a brand new sideways style unit I picked up somewhere, but that means new leads.  sigh....
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> Art
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> On 10/15/18, Randall <tr3driver at ca.rr.com> wrote:
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> > 40480D is an earlier model DM2P4 distributor.  The information I have handy
> > says 40480F (which is functionally the same and still DM2P4, the letter is
> > just a revision level) was used as late as 1959 TR3, some of which were sold
> > in 1960.
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> > That same database says cars built in 1960 got 40698A/B, which is still a
> > DM2P4.
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> > The Moss catalog is certainly misleading, as they show a drawing of the
> > plate for a DM2P4, but the listing says it is for a 25D4.  They have no
> > listing for the earlier part (which I assume means it is not available).  I
> > believe the equivalent part number at TRF would be LU421078, which they have
> > listed as NLA.  You might check with Revington, he seems to source a lot of
> > parts the others can't find.
> > 
> > Faced with that same dilemma some years ago, I fabricated a mount for the
> > low tension lead that worked quite well.  Just a stack of pieces of bare
> > fiberglass printed circuit board (from the scrap bin, no copper plating),
> > carved with a Dremel to fit snug but not too tight in the slot in the
> > distributor cap.  A small bolt through the center linked the two wires.
> > IIRC I used 3 pieces of PC board, one smaller to fit inside the notch and
> > two slightly larger to fit on either side of the notch.  A little extra work
> > to install the cap, as I had to hold the side wire to position the new piece
> > in the slot, as I lowered the cap into place, but not too bad.
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> > Later, I switched to a (used) 25D4 distributor.
> > 
> > -- Randall  
> > 
> > > -----Original Message-----
> > > From: Triumphs [mailto:triumphs-bounces at autox.team.net] <triumphs-bounces at autox.team.net]> On 
> > > Behalf Of Art McEwen
> > > Sent: Sunday, October 14, 2018 7:19 PM
> > > To: triumphs at autox.team.net
> > > Subject: [TR] Name that distributor (TR3)
> > > 
> > >  Hi  
> > > 
> > > 
> > > The backing plate on my TR3's distributor has a lot of play 
> > > in it so timing is problematic.  I ordered a new one from 
> > > Moss however that part (551-055) doesn't have the same tall 
> > > attachment for the low tension lead leading outside the cap 
> > > (see old unit on the left): 
> > > https://www.dropbox.com/s/wzxo5gpd3tnuaei/IMG_20181014_1038057
> > > 63.jpg?dl=0
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> > > 
> > > The distributor is stamped 40480D (see below) which doesn't 
> > > seem to be within the range of their 25D model matching (if I 
> > > go down the electronic replacement match-up rabbit hole). 
> > > https://www.dropbox.com/s/s1ghm1wradmp3xw/IMG_20181014_1047562
> > > 91.jpg?dl=0
> > > 
> > > Do I have a non-standard distributor?  Any idea the right 
> > > part # for my backing plate?   Or should I just bite the 
> > > bullet and go electronic?
> > > 
> > > Thanks,
> > > 
> > > Art 
> > > 1960 TR3A  TS64989LO 
> > > 
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