Hi,

I find there are many compaines that sell pulleys for MCS, so would like to know which is the best or they all give same power

M7 16%
Alta 15%
Mini Madness 15%
Ultrik 15%
Alta V2 15%

Karim

Well, there are a ton of threads on this but I'll give my .02 as I have installed 4 of the 5...

The MM is on my car installed by me and it was a pretty straight forward install with no problems. It is a nice pulley with good build.

The Alta V1 is nice, but the V2 is a much better build. It also uses the same collar on the 17% so if you wanted to upgrade to the smaller pulley you could with less effort.

The M7 that I installed had a very tight fitting collar (we had to use a rubber mallet to get it on).

Overall the design is the same from pulley to pulley with the collar clamping down on the shaft and the pulley bolting to the collar. The biggest choice is who you want to give you money to. ;)

True there are so many threads about them, and I read most of but wanted to know which one was the best. I thought M7 will be the best because it's 16% compare to others. So which one is the cheapest. I might go with MM because of the easy install.

Well, there are a ton of threads on this but I'll give my .02 as I have installed 4 of the 5...

The MM is on my car installed by me and it was a pretty straight forward install with no problems. It is a nice pulley with good build.

The Alta V1 is nice, but the V2 is a much better build. It also uses the same collar on the 17% so if you wanted to upgrade to the smaller pulley you could with less effort.

The M7 that I installed had a very tight fitting collar (we had to use a rubber mallet to get it on).

Overall the design is the same from pulley to pulley with the collar clamping down on the shaft and the pulley bolting to the collar. The biggest choice is who you want to give you money to. ;)

Ultrik MM is £90+vat and includes a reduced belt
MINI Coopers by Mini Mania (http://www.minimaniauk.co.uk/web/SUBTYPE/SearchText/CarSearch/NEW_MINI/Search/pulley/AddedFrom/FrontPage-Search/Search_Inventory.cfm)
You can also revert to stock sizeagain without problem -withthe Ultrik

With where you are in the world I defintley would be more worried if I could afford an intercooler to go with the pulley rather than the pulley on its own.

With where you are in the world I defintley would be more worried if I could afford an intercooler to go with the pulley rather than the pulley on its own.

Depends if you ask me... Daily driver (no track) you can get away with stock. Track of any kind, uprated is the way to go.

UK prices is $$ compare to US.

Ultrik MM is £90+vat and includes a reduced belt

You can also revert to stock sizeagain without problem -withthe Ultrik

Yep, with the dollar in the toilet, you can get more bang for you buck in the US.

So do you any prices and where is the best place to buy .


Yep, with the dollar in the toilet, you can get more bang for you buck in the US.

Any update

Any of the vendors listed here or from the source like Alta. You just need to shop around and find the price that fits your budget.

THink will go with M7 as have heard can use the stock belt.

Personally I wouldn't recommend a stock belt. I went with a 15% and the stock belt was slipping a bit. Smaller belt made a huge difference and you are going with even a smaller pulley.

Why did you install so many pulley, did any gave more power than other.

Personally I wouldn't recommend a stock belt. I went with a 15% and the stock belt was slipping a bit. Smaller belt made a huge difference and you are going with even a smaller pulley.

No, I have done them for many other MINI owners including myself. 15% is 15%...

So MM is the easiest one to install.

So MM is the easiest one to install.


They are all about the same and require the same amount of work to install. The differences lie in the way that they clamp to the shaft. However, I have yet to have any that I have installed slip so I have no complaints on any of them. Just pick on that fits your budget and run with it.

Thanks man. Asked you so many question, so will just look for a pulley that is cheaper than other. Btw do you need pulley remover or any good work shop can take it off with tools.

Thanks man. Asked you so many question, so will just look for a pulley that is cheaper than other. Btw do you need pulley remover or any good work shop can take it off with tools.

A pulley remover is recommended so that the shaft is not damaged in the process of removing it.

So any diffrence in 15% and 17%

Try doing a search on this as there are a lot of opinions. All of the questions you have asked have been covered numerous times.

15% safest for WOT

anything above 15 and you have to start to worry about heat soak and cavitation of the water pump at WOT.

What is the weight of the 15% pulley.

Varies pulley to pulley

Alta 15%

Have heard it's 5 pound.

Have heard it's 5 pound.

Even if it was that much (which I doubt it is) weight will have very little overall effect on it is it is balanced to spin. I believe that it is lighter than the stock pulley anyhow but I do not have the specifics. I recommend that you contact the vendor with questions like that.

Alta says 1 pound

I recently bought an Alta 15% V1 pulley from Alta directly. It was on sale for a very good price. I have not installed it yet. I asked if there was a performance difference between V1 and V2. They said no. Just a few design concepts they wanted to try out. V2 is slightly lighter than V1 but my guess is V1 is around 1 pound in weight.