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PostPosted: Wed Mar 23, 2016 8:43 pm 
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848cc
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Joined: Tue Jun 26, 2007 3:16 pm
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Location: Brisbane - south
Hi,
Does anyone know what car a Lucas 29D distributor stamped AYR0340 or AYR0370 would be from?
Sorry I'm not exactly sure of the number and don't have access to it at present.
Cheers
Rod

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1967 New British Racing Green Mk1 Cooper S, 1967 Lake Green 1275 MG Midget, 1969 Jet Red / Crystal White Mk2 Cooper S, 1972 Gambier Turquoise Clubman GT (ex police), 1972 Camino Gold Clubman GT, 2009 JCW Challenge Edition, Megane RS265, Clio RS220.


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PostPosted: Thu Mar 24, 2016 1:46 pm 
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1098cc
1098cc

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Location: st marys
The 29d was used on a few cars other than bmc and Leyland cars

Off my sealed set of nos target L19 points yes target sold car parts once apon a time I remember it well

I brought my first set of spanners and sockets off them in the early 90s and still have some wheel bearing grease with a target price sticker on the castrol container after cleaning out my grandfathers garage when he went in a nursing home

try going in there today for car parts and tools the service staff will look dum founded if you can find one

L19 suits Lucas systems
Holden 6cyl 1965-74
Torana 6cyl 1969-75
Datsun 4cyl 1968-75
Ford escort 1970-74
Hillman 4cyl 1962-73
Jaguar all 6cyl
BMC mini/1800/1956-75
Land rover 1971-77
Toyota corona/crown 1969-75

I don't think all the cars listed there had the 29d but it gives you a idea what cars used the same points used in a 29d


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PostPosted: Thu Mar 24, 2016 2:45 pm 
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1360cc
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Location: Melbourne, VIC
rodmac wrote:
Hi,
Does anyone know what car a Lucas 29D distributor stamped AYR0340 or AYR0370 would be from?
Sorry I'm not exactly sure of the number and don't have access to it at present.
Cheers
Rod

Rod,

AYR is not a typical BMC part number prefix so you'll need to have a closer look to determine the exact stamping of the complete part number. AYG is a typical prefix for the Mini range. In any case it looks like it was used on a vehicle in the BMC range.

The Lucas part number (8 numerics and one alpha) and date should also be stamped on the body. Does it have vacuum advance?

If you post those details I should be able to assist.

Picture below of the 29D4 on my MK II S.

Cheers,
Doug

Attachment:
AYG0175.jpg


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PostPosted: Thu Mar 24, 2016 3:10 pm 
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1275cc
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There was an AYH0580 629411039A fitted to the Morris 1500. Mechanical advance only.
viewtopic.php?f=2&t=85582


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PostPosted: Thu Mar 24, 2016 3:49 pm 
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848cc
848cc

Joined: Tue Jun 26, 2007 3:16 pm
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Location: Brisbane - south
The distributor is a few hundred kms away but I'll see if I can get some more info. It did not have a vacuum advance and I don't recall seeing a date stamp on it.
Thanks
Rod

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1967 New British Racing Green Mk1 Cooper S, 1967 Lake Green 1275 MG Midget, 1969 Jet Red / Crystal White Mk2 Cooper S, 1972 Gambier Turquoise Clubman GT (ex police), 1972 Camino Gold Clubman GT, 2009 JCW Challenge Edition, Megane RS265, Clio RS220.


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PostPosted: Thu Mar 24, 2016 6:27 pm 
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1098cc
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Location: st marys
I think the late cooper s run a 29d with out a vacuum advanced so I've been told

If you need a cap for it mini kingdom online is probably the only place in Australia who have them while stocks last id say

John still had stock of them on the shelf at the open day show and shine the other week


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PostPosted: Thu Mar 24, 2016 7:25 pm 
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Location: near Baulkham Hills, NSW
No Cooper S or GT had vac advance.

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PostPosted: Thu Mar 24, 2016 7:57 pm 
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998cc
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Location: Victoria
Can I ask a question, maybe it's dumb. Why do Cooper S and GT's run without a vacuum advance.


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PostPosted: Thu Mar 24, 2016 8:08 pm 
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1275cc
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Minicooper4me wrote:
Can I ask a question, maybe it's dumb. Why do Cooper S and GT's run without a vacuum advance.

Race engines don't need the vacuum advance because they are operating at either wide open throttle or no throttle. The advantages to vacuum advance is better economy at light loads.


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PostPosted: Thu Mar 24, 2016 8:15 pm 
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998cc
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Location: Victoria
So why don't road going S and GT need them. My engine is only a 1098 with twin SU's but no spot for a vac hose anyway. It still went pretty good.


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PostPosted: Thu Mar 24, 2016 8:29 pm 
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1275cc
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They put the Mechanical only dissys on the performance engines back in the day.
There must have been a good reason to do it but using a vac advance dissy will be better for the engine. They will run cooler and more economically. You get the optimum spark at varying loads.
I guess there is less to go wrong with a Mechanical only and a lot of the time your at full load.


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PostPosted: Thu Mar 24, 2016 9:10 pm 
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Vacuum advance is a fuel economy device, nothing more. Without it the top dizzy plate is fixed, so there is less spark scatter. One thing less to go wrong and cause damage. It is safer not to have it on a car that may likely be raced, the Cooper S was homologated with none for this reason.
Back in the 60s most sporty European cars had no vac advance- Alfas, Fiat/Lancia twincams, etc.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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PostPosted: Fri Mar 25, 2016 11:15 am 
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1275cc
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drjbeam wrote:

If you need a cap for it mini kingdom online is probably the only place in Australia who have them while stocks last id say


The top entry caps were in short supply for a while but now seem to available again.


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PostPosted: Fri Mar 25, 2016 12:50 pm 
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I'm glad they made a batch. I have some dusty old Bosch and Lucas 29D caps here. I was thinking I was going to have to clean them up and try to use them!

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All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.


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PostPosted: Fri Mar 25, 2016 12:55 pm 
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1360cc
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Those who strive for originality will know the Bosch caps are brown whilst the original Lucas ones are black. I wonder if anyone has bothered to paint a Bosch one? MKO seem to have plenty in stock.

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