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 Post subject: Distributor Spindle Gap
PostPosted: Tue Mar 05, 2019 11:42 am 
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Location: Brandy Hill, NSW
Attachment:
Lucas Gap 001.JPG
Please advise correct gap for my distributor.


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PostPosted: Tue Mar 05, 2019 11:59 am 
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1275cc
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Location: Camden
All mini points gaps are .015inch (about 0.4mm) which should give a dwell angle of 60 degrees.


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PostPosted: Tue Mar 05, 2019 12:59 pm 
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Bill B wrote:
All mini points gaps are .015inch (about 0.4mm) which should give a dwell angle of 60 degrees.

I think he's talking about the gap at the base of the shaft next to the red arrow that determines how much the shaft moves up and down. ;)

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PostPosted: Tue Mar 05, 2019 2:36 pm 
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1275cc
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DOH!
Didn't see the arrow!!
Just checked 2 overhauled distributors 29D: one was 0.011inch; other was 0.013inch.

Is that better?


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PostPosted: Tue Mar 05, 2019 5:37 pm 
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Just measured my gap at 0.041 inch. Does it need another washer?


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PostPosted: Tue Mar 05, 2019 6:19 pm 
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Location: JIMBOOMBA QLD.
Up to .015" is fine but no more because the spindle jumping up and down will damage the Rotor and Cap. All you need is a gap for oil.

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PostPosted: Tue Mar 05, 2019 7:13 pm 
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Thanks Tony.


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PostPosted: Tue Mar 05, 2019 7:19 pm 
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1098cc
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Attachment:
Distributor Base Plate 002.JPG
Attachment:
Distributor Base Plate 001.JPG
I have removed the base plate and wonder if it is supposed to rotate? I ask because it seems stuck.


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PostPosted: Wed Mar 06, 2019 2:54 pm 
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1275cc
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Location: Camden
The distributor in Cooper S does not have vacuum advance, only centrifical advance where the 2 springs attach to the points cam and respond to engine revs.
If vacuum advance was included, it would cause one of the base plates to swivel over the other fixed plate.
Since it doesn't have vacuum advance, the plates have been locked together, as the factory used the same parts for both distributor types.
In other words, the 2 plates are not meant to move in S distributors.
p.s. Hope I got it right this time.


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PostPosted: Wed Mar 06, 2019 6:18 pm 
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Thanks Bill


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PostPosted: Thu Mar 07, 2019 11:44 am 
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Can anyone spare a .030" spacer they can give me. See picture.

Attachment:
AYG Distributor Stripped 003.JPG


Also looking to renew the two springs.


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PostPosted: Thu Mar 07, 2019 12:12 pm 
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cooperess wrote:
Can anyone spare a .030" spacer they can give me. See picture.

Attachment:
AYG Distributor Stripped 003.JPG


Also looking to renew the two springs.


Larry,
You might be interested in this Ausmini topic some years ago, including Lucas part numbers for the springsets in AYG0175.

viewtopic.php?f=2&t=63023&hilit=factory+Cooper+S+distributor&start=15


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PostPosted: Fri Mar 08, 2019 10:29 am 
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Apart from the brass or composite washer in the above picture there is another washer which looks like nylon I require. Does anyone know where these are available.


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PostPosted: Fri Mar 08, 2019 12:06 pm 
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cooperess wrote:
Apart from the brass or composite washer in the above picture there is another washer which looks like nylon I require. Does anyone know where these are available.

Tony can't help?

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PostPosted: Fri Mar 08, 2019 12:31 pm 
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winabbey wrote:
cooperess wrote:
Apart from the brass or composite washer in the above picture there is another washer which looks like nylon I require. Does anyone know where these are available.

Tony can't help?

Tried Tony but no joy.


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