I've seen these sets advertised as "to suit A+" and also as "suit any gearbox".

What's the go?

A+ gearbox gears are cut at a different helical angle, so you can't mix pre & post gears.

Cheers Shane

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If it's not a Cooper S, the mini was designed to be modified!

This is correct however you can run A+ diff gears in any gearbox. Some may need a little clearance work around the pinon but is not that hard.
Cheers Pete

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A recent study found the average Aussie walks about 900 miles a year
Another study found Aussies drink, on average, 22 gallons of alcohol a year
That means, on average, Australians get about 41 miles per gallon

Kind of makes you proud to be an AUSSIE

I am running a 3.1 a+ in my non Aplus box.

You have to machine the 3rd motion shaft retainer a little to get clearance for the pinion.

You will also need less diff shims as the crown wheel is slightly wider.

Cheers

Kiwiinwgtn

Ya I knew the gear sets were different teeth but knew there must be a reason major parts suppliers list them as 'all boxes'.

Thanks for the info.

I'm going the other way - A series NOS 3.93 gearset into an A+ box. So I will need extra shims I guess.

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Brett Nicholson
Greendale (near Ballan) VIC.
1971 Morris Mini Moke
1966 Austin Mini
1965 Morris Mini Traveller
1973 LR Series 3 88
2007 LR Freelander 2