Drivetrain (Cooper S) MINI Cooper S (R53) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain 250 HP

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Old Mar 2, 2003 | 06:17 PM
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Why not? The trick is to get mazda to build the motor not chrysler. The new rotory in the RX8 smaller engine so it would fit makes 250 hp without forced induction. I am sure most of you will not like this idea but damn what a ride that would be. If anyone does like this idea kennedy engineering sounds like a good place to have an adapter made. If it were available I would put an order in and start looking for a motor.
 
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Old Mar 2, 2003 | 06:20 PM
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>>makes 250 hp without forced induction

So does that mean you'd want to drop this engine into the MC and not the MCS? Talk about stealth. No one would see that coming when you blased off the line
 
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Old Mar 2, 2003 | 06:27 PM
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>>>>makes 250 hp without forced induction
>>
>>So does that mean you'd want to drop this engine into the MC and not the MCS? Talk about stealth. No one would see that coming when you blased off the line>>>


Only problem is the MC tranny is only rated for 150hp, I believe. That would be a bummer - either having to change the tranny or not changing the tranny and well, you know...

 
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Old Mar 2, 2003 | 06:29 PM
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I know Getrag makes trannys that can handle 400HP such as the one in the Cobra, but can the MCS Getrag handle that much? From what I remember reading, the MCS Getrag could handle 200+ horses. I guess some of us really now need to know, what's the PLUS SIGN MEAN???
 
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Old Mar 2, 2003 | 06:30 PM
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Hey I did not think about the non S. sorry. That would be even better than in the S no one would think 250 HP in just a cooper its a real stretch even for the S. And you get more interior options and more chrome.
 
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Old Mar 2, 2003 | 06:33 PM
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I wish BMW looked into that when they were making the Mini. Rotaries rock. I would be interested into dropping in a rotary.
 
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Old Mar 2, 2003 | 06:40 PM
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>>Why not? The trick is to get mazda to build the motor not chrysler. The new rotory in the RX8 smaller engine so it would fit makes 250 hp without forced induction. I am sure most of you will not like this idea but damn what a ride that would be. If anyone does like this idea kennedy engineering sounds like a good place to have an adapter made. If it were available I would put an order in and start looking for a motor.

Yes, but the torque specs were not as impressive for a motor of that much power. Anyone have the numbers?
 
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Old Mar 2, 2003 | 07:05 PM
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From Road and Track

Engine & Drivetrain
Type: 2-rotor Wankel
Bore width x chamber major axis: 80.0 mm x 240.0 mm
Displacement: 1308 cc
Horsepower: 250 bhp @ 8500 rpm
Torque: 162 lb-ft @ 7500 rpm
Transmission: 6-speed manual

 
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Old Mar 2, 2003 | 07:16 PM
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Rotories have allways had low torque #s but ask anyone who has had one if they mind the low torque. I dont want to tow a boat with my MCS, some might and that is cool. I have been confused about the torque issue for a long time but having driven and owned over 15 RX7s I must say there my favorite engine. The MINI is my favorite car so dont get me wrong I will take it just like it is. But the WHAT IF issue is why I added this post.
 
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Old Mar 3, 2003 | 10:19 AM
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If you've never seen a ridiculously over-boosted turbo K-Car kick the crap out a Corvette on a drag strip then I can see why you'd think Mazda should build the engine. Chrysler has a history of building some of toughest engines around, especially their 2.2 turbo. The problem with the MCS is you can't just throw on a bigger turbo. I forsee modified hoods and aftermarket superchargers and a 250+ HP modified MCS within 5 years.
As for your rotory idea, the rest of the auto industry does not use rotory engines for a reason. Even Mazda dumped it for several years until they could figure out how to get it to make reasonable emissions and gas mileage. The R&D cost of that would pump the price of a MINI way up. Plus if you've ever seen an RX-7 or 8 engine, despite it's tiny displacement, it is not a small engine. It is more of a squarish design vs the rectangle of an inline 4 and this is why ALL RX models have a long hood. I doubt it would fit in a MINI engine bay.
 
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Old Mar 3, 2003 | 04:59 PM
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I know I could have a 250 HP 4 cyl gernade motor built by any auto maker with the right stuff bolted on but I want 250 HP street daily driver. That is most of my point! And I have seen the size and shape of alot of rotories, built a few and they are wider than the block of the inline 4, but with the supercharger hanging off the side makes the MINI motor just as wide. The intake would be a trick to work out but it would fit. As for all RX's having long hoods as why they would not fit you should look at the RX2 and RX3 body no long hoods there same motor. Last alot of car companies have tried the rotor idea and yes droped them for a number of reasions most of all fuel economy and emissions. The MINI is not gas guzzler but it does drink its fair share and the RX8 motor should do very well with both in the new design. That is why it is coming back to the US but it never left Japan because the emission laws are not as costly there. As for any other reason why not to put in a rotory bring them on.
 
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Old Mar 3, 2003 | 05:03 PM
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Why not look into the Renault Clio throw in the flat 6.... zoom zoom
 
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Old Mar 3, 2003 | 05:33 PM
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How about if we do like the Renault R5 Turbo and put the engine in the rear.
 
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Old Mar 3, 2003 | 05:50 PM
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I agree with CooperSpeed - rotaries rock!

I would love to see a BMW/Citroen/Peugeot developed rotary in the next generation MINI! WOW! Now THAT would be way cool!

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Old Mar 3, 2003 | 06:11 PM
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9000 redline sounds a lot better to me.
 
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Old Mar 3, 2003 | 07:49 PM
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>
Plus if you've ever seen an RX-7 or 8 engine, despite it's tiny displacement, it is not a small engine. It is more of a squarish design vs the rectangle of an inline 4 and this is why ALL RX models have a long hood. I doubt it would fit in a MINI engine bay.
>


ahhh, you obviously havent been up close to a R100,x2,x3 (as kite said). We are talking mini size engine bays here. The engine itself it much smaller and more compact than a 4. If you look at a 2nd or 3rd gen 7, all the clutter makes the engine look huge. As for using it in a mini.... No way. First of all, it would be a tough fit for fwd. Second of all... well its just not a RX! :smile: I split the time between rotaries and the mini and I like the characteristics of both just the way they are!
 
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Old Mar 3, 2003 | 07:56 PM
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Hows about 340HP in your Mini Cooper S?
The Belcar Mini of the Qvick team has an M3 BMW motor installed. The story states that the engineering team had to do this within the confines of the original Mini Engine bay, which must have been some feat.
The car is also RWD (good use for the exhaust (ha!) tunnel?). It seems that AWD via a viscous coupled AWD system like the Porsches have would make the MCS nearly unbeatable.

It seems that their server has been up and down, but here's a link to the story...
http://www.pistonheads.com/motorspor...p?storyId=4301

Mini...When the road hugs back.

Cheers!
MinMax
 
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Old Mar 3, 2003 | 08:30 PM
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Another couple of links to the 330+ HP Belcar Mini

http://www.conceptcarz.com/folder/ve...sp?car_id=6238

http://www.mundomini.com/belcar.php

Cheers!
MinMax
 
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Old Mar 3, 2003 | 09:36 PM
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The M engine is not as functional as a rotary would be. I am not, but that is a sweet car.
 
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Old Mar 4, 2003 | 06:48 AM
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Im not familiar with the RX8 engine, but if the exhaust ports are positioned anywhere close to where they were for the RX7, it would be very difficult to mount the engine transversely- the exhaust ports would be going straight into the drive axles.
 
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Old Mar 4, 2003 | 07:03 AM
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You're, right, and another reason this would not work. This is why every rotory power Mazda has been a rear wheel drive car.
As for the R100,x2,x3 comments I have been up close to them and yes their engines are smaller, but you must realize that they did not have the complex electronics, vacuum tubes and junk hanging off of them like today's engines. Have you ever seen the engine bay of a '73 Vega with a 350? Compare that to a new Corvette?

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Old Mar 4, 2003 | 10:13 AM
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I have not seen this in person (I don't think many have), but the RX-8 Renesis is supposed to have moved the exhaust and intake ports to the sides. I'm not exactly sure what this translates into as far as manifold duct locations, but it might not be as big of an issue as it would be on older designs.

Also, the Renesis is naturally aspirated to 250HP (no turbo ....yet) and smaller than the previous generation rotary.

There are a lot of bonuses to the rotary, however, there would be a number of logistical hurdles to work out - and a large investment required by MINI/BMW to get into a new world of engine technology.

Alas, we may need to wait and see if Mazda will put the Renesis into the Miata..... I'd get that as a 3rd car!
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Old Mar 4, 2003 | 10:27 AM
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Lets face it guys...only in dream land. Maybe a small bird would want to wisper something in Mini's ear about the rotary and having it be RWD. Just a dream.
 
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Old Mar 4, 2003 | 02:15 PM
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Well I am glad this post seams to have as much interest as it does. About the exhaust being in the way, where should I start my explanation, the engine does or would not face the same direction in a rear and front wheel drive car. The motor is turned in a front wheel drive car and so would the rotory if you put it in the mini and leave it front wheel drive. The exhaust would point straight out the back. The problem is so would the intake but that could be worked out. As for the design change of the new rotory the main difference is where the exhaust exits the motor it used to go out the rotor housing and now it goes out the steel housings. This was a difficult task but now the motor car have a very good cam profile even though it has no cam per say. The way the motor used to be set up the intake and exhaust were both open at the same time for part of the rotation so bad gas mileage and poor emissions. ORBHOT it is ok not to like the idea even if your not sure why I dont expect eveyone to like the idea it was just my 2 cents. Last I to like both cars the MINI and the RX but I think a marrage of the two would kick ***.
 
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Old Mar 6, 2003 | 03:27 PM
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i like your picture of the cat being chased I think that is why i have a SUV for the sole purpose of killing cats, i ve already hit five and hoping to hit more :evil:
 
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