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dodgy rotor arms
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rich3992



Joined: 20 Apr 2018
Posts: 3

PostPosted: Fri Apr 20, 2018 6:46 pm    Post subject: dodgy rotor arms Reply with quote

Anyone else suffered from dodgy rotor arms?

I have had 2 fail the same way. HT eats through the plastic and shorts to the distributor shaft.

One failed in under 50 miles.

I bought a replacement from Green Spark Plugs so I will see how this one fares.
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Rick
Site Admin


Joined: 27 Apr 2005
Posts: 21026
Location: North-west UK

PostPosted: Fri Apr 20, 2018 7:18 pm    Post subject: Reply with quote

Welcome to the forum.

I've had one rotor arm pack up in no time at all, there seem to have been quite a few ropey ignition parts in circulation for quite some time now. Hopefully your purchase from GSP will work out ok.

RJ
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Rick (OCC Admin)
Various 1920s-1960s - Austin, Morris, Commer, Dodge etc.
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rich3992



Joined: 20 Apr 2018
Posts: 3

PostPosted: Fri Apr 20, 2018 7:46 pm    Post subject: Reply with quote

Rick wrote:
Welcome to the forum.

I've had one rotor arm pack up in no time at all, there seem to have been quite a few ropey ignition parts in circulation for quite some time now. Hopefully your purchase from GSP will work out ok.

RJ


Thanks RJ.

It's very annoying to have a new part fail so soon...

Watch this space!

Three attempts to embed a picture later....

[img]0418-2 by richard markham, on Flickr[/img]


[img]0418_1 by richard markham, on Flickr[/img]
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Brad1380



Joined: 28 Mar 2017
Posts: 5

PostPosted: Fri Apr 20, 2018 8:11 pm    Post subject: Reply with quote

Chinese rubbish probably, try the distributor doctor for proper ones.


http://www.distributordoctor.com/rotor_arms.html
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alastairq



Joined: 14 Oct 2016
Posts: 1295
Location: East Yorkshire

PostPosted: Fri Apr 20, 2018 9:39 pm    Post subject: Reply with quote

I agree about Distributor Doctor, who sells his[?] own rotor arms.....Seems [the Chinese?] were contracted to make black arms, and used too much carbon in the plastic mix..

There are a lot of duff repro [repop] small service parts out there....
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peter scott



Joined: 18 Dec 2007
Posts: 6183
Location: Edinburgh

PostPosted: Fri Apr 20, 2018 9:42 pm    Post subject: Reply with quote

Not a new problem..

http://www.oldclassiccar.co.uk/forum/phpbb/phpBB2/viewtopic.php?t=8225&highlight=sceptre+red+rotor
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1939 SS Jaguar 2 litre saloon
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roverdriver



Joined: 18 Oct 2008
Posts: 1158
Location: 100 miles from Melbourne, Victoria, Australia

PostPosted: Sat Apr 21, 2018 7:49 am    Post subject: Reply with quote

I had a rotor arm fail when about 2,000 miles from home in our 1959 Rover 90. We were on the way back from Alice Springs- any help would be about 200 k's further on. I had two spares on board and decided to fit the one that I had bought only a few months previously. About 100 miles along the road, that one failed. I fitted the very old N.O.S. one, completed the journey and several years later, it is still fitted and still working well.
Both of the replacements were Bosch red ones.
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Kleftiwallah



Joined: 27 Oct 2016
Posts: 222
Location: North Wiltshire

PostPosted: Sat Apr 21, 2018 1:02 pm    Post subject: Reply with quote

Many thanks for that post, I'll get mine under the magnifying glass!

Cheers, Tony.
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peteleo



Joined: 02 Mar 2017
Posts: 3
Location: San Mateo, California

PostPosted: Sun Apr 22, 2018 6:02 am    Post subject: Reply with quote

Here's another article regarding Lucas reproduction rotors:

https://englishfordparts.blogspot.com/2013/08/lucas-reproduction-distributor-rotors.html
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lowdrag



Joined: 10 Apr 2009
Posts: 1292
Location: Le Mans

PostPosted: Sun Apr 22, 2018 9:42 am    Post subject: Reply with quote

With rheumatic fingers I have now fitted a 123 distributor so no more rotor arms for me these days.But in the boot is still a red one from the doctor, just in case it can be of use to someone else one day. And it being drive it day, it may even be this afternoon.
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MrWhite



Joined: 09 May 2017
Posts: 88

PostPosted: Sun Apr 22, 2018 11:05 pm    Post subject: Reply with quote

Fake spark plug stories have been rife on car forums, if they can fake an NGK, a rotor arm's a doddle, see here; https://www.thecounterfeitreport.com/product/400/Ngk-Spark-Plugs.html
I think you have to check everything nowodays, if it doesn't look right (Glasses on) send it back Sad
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