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A series or A+?

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A series or A+?

Post  lin and tony on Sun Jul 27, 2014 10:51 pm

We are consdiering buying an electronic ignition for Pepe as we have had all sorts of problems recently.
The problem is... does she have an A series or A+ engine. Does anyone have an easy way of finding out?
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Re: A series or A+?

Post  Steve G on Mon Jul 28, 2014 12:45 am

What size engine is it ? If it's still got it's original paint either red for a 1275cc or gold/yellow for a 998cc. I think it was only these two colours that were the A plus.
I think A plus engines only came with the Verto clutch and had short alternator brackets.
Are you trying to find out if you have a Ducellier or Lucas distributor ?

I fitted a Luminition system on my Mini but have had Aldon Ignitors on other cars. The ignitor seems to do the job just as well and if far simpler, all I had to do was remove the ballast resistor and fit a 12 Volt coil. I think Mini wiring looms have a ballast resistor wire which you might need to change along with the coil.

It's likely there is something obvious to tell the difference but I haven't really worked on Minis for a long while.

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Re: A series or A+?

Post  Rum Tum Tugger on Mon Jul 28, 2014 7:39 am

A+ blocks have:

  • Stiffening ribs on the outside (Mini Magazine's guru Keith Calver suggests these were necessitated by the use of inferior cast iron!)
  • Cap-type (recessed) core plugs rather than the earlier flattened domes
  • Distributor held in by a forked bracket with one retaining bolt (the dizzy body is also different)
  • Dipstick fitting directly into block, not via a tube
  • Alternator bracket nearer front of engine, alternators are shorter than dynamos


Last edited by Rum Tum Tugger on Wed Jul 30, 2014 9:25 am; edited 1 time in total (Reason for editing : Silly mistake corrected)
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Re: A series or A+?

Post  lin and tony on Wed Jul 30, 2014 12:40 am

Many thanks to both!
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Re: A series or A+?

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