To suit what car?? Cooper S/GT ones are different to delux ones and so on and then i think there were optionable lockable ones??

Which ones exactly?

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Cooper S ones for me

Sorry its for twin tanks on a cooper s replica so the cooper s style.

It currently has aftermarket lockables but I'd like to go back to the original no keylock type.

Thanks.

Really? How did they differ?

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SooperDooperMiniCooperExpertEngineering

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

Im not a cooper s pro, but i assume that the cooper s ones were the same as Gt ones. The centre of the cap protrudes a little from the outer. Where as a lot of other caps are just smoth all over.

The ones i see most common are (i assume are deluxe ones, but believe are 850 ones):



the ones on my GT (which i believe are the same as cooper s) look like these: (borrowed from slockos S from members mini gallery)

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Cooper S ones cost five times as much.

Cooper S tank cap = AYA5074
All saloon models except Cooper S = AYA5074
Clubman, Mini 1100 = AYA5074
Clubman GT = AYA5074

Yeah that's what I remember too. My mate's original `66 S had the same caps as my `61 850.

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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.

It may have been the source that was different, perhaps the caps came from the UK with the right hand tanks and the rest of the Cooper components??

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SooperDooperMiniCooperExpertEngineering

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

Where did the flat ones come from then??

Cause the risen centre ones are correct for GT's and i always believed were correct for cooper s's.

So your saying ALL mini's (roundies) came with the risen centre caps as per the white mini above?

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Well i just checked a clubman parts manual and it appears the clubman vans had a different cap AYA5075

I always believed they were non cooper s roundy caps. Thats why i need to buy a roundy to learn these things

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My Mini K book says the K one was a AYA5074, as Morris said.
I doubt the Cooper S one of the same vintage (Mk2) would be different.

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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.

that's what I've always thought, but only from looking at cars, never researching.... but then maybe since they don't lock, every one of them got pinched!

I don't think BMC thought Cooper S's were special enough to warrant their own special fuel filler cap - any differences to standard cars were by necessity rather than exclusivity