| Tags: gearbox, r53, ratio, shorter |
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| | #1 |
| MINI2 Regular | Shorter ratio gearbox in R53 Started this thread to get some advice: My clutch release bearing is away (i think), making a screeching noise when the clutch is lifted when pulling away in 1st. So basically im going to have to take the gearbox out to fix this. So getting a sports clutch, and lightened flywheel done at the same time makes sense right? However my gearbox has had the infamous "gearbox knock in neutral" noise since i got it. Is it broken i do not know? What im wanting to know is can you get the shorter ratio box from the 05+ cars? How much this is likely to cost, and can somewhere like 1320 supply one? Some suggestions for the clutch and flywheel would be much appreciated aswell! Hoping to spend as little money as possible ![]() Many thnaks Drew Superchargedddddddddd! |
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| | #3 (permalink) |
| MINI2 Master Join Date: Jul 2005 Location: Beds Cambs Northants Local Time: 06:34 PM
Posts: 1,938
Offline | Andrew, at the moment we have a 27k 06 gearbox with factory lsd in stock at £800 plus vat Exedy chrome moly flywheel & Hyper clutch £850 incl vat You might as well uprate the driveshafts made by Quaife exclusively for 1320autos.com which will be availble in approx 12 weeks, price £200 plus vat (sorry, shameless plug, you dont need them) Good luck Slicks 11.77@115.92mph Street tyres 12.162 @ 119.02 It's not how much you spend but how well you spend it |
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| | #5 (permalink) |
| MINI2 Master Join Date: Jul 2005 Location: Beds Cambs Northants Local Time: 06:34 PM
Posts: 1,938
Offline | july 04 and its an option apart at some point it became std on the chilli pack but I cant remember when that was. Slicks 11.77@115.92mph Street tyres 12.162 @ 119.02 It's not how much you spend but how well you spend it |
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| | #6 (permalink) |
| 263bhp / 284.55Nm Torque Join Date: Oct 2006 Location: Eastbourne E.Sussex Local Time: 06:34 PM
Posts: 695
Offline | My clutch makes a strange noise when i pull away in 1st especially when its cold. Its like some sort of rubbing noise. What could be causing this and is it a common fault? BMW tell me its the auxillery drive belt tensioner???? But i think im being fobbed off!Alex |
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| | #7 (permalink) |
| MINI2 Regular | My mini has always made the noise to a ceratin extent, but its just got worse and worse. Sounded like rubbing at 1st! Now is definantly like metal on metal ![]() Ill have to start saving, cant afford to fix it this week , luckily its still running fine, and ive got a 2nd car!Superchargedddddddddd! |
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| | #10 (permalink) |
| MINI2 Master | mine makes the same noise too, when i spoke to Roland the other week on the same subject he recommended the Exceedy too. Somthing about the Fidanza flywheel he previously used ended up munching his entire gearbox. i also read some bits on the LSD and according Tony Franks the Quaife ATB is better than the standard BMW LSD. However i'm not sure i prefer the lightened flywheel due to losing even more engine braking capability. Think i may just get an uprated clutch and then a standard flywheel. |
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| | #12 (permalink) |
| MINI2 Regular | The exedy clutch and flywheel setup is pretty expensive, anyone recommend a cheaper alternative? I may even go with a BMW clutch, depending on the price - anyone had one done recently? Or would i be better, keeping the drivetrain standard, and use the money to buy, pulley, intercooler etc??? Thanks Superchargedddddddddd! |
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| | #13 (permalink) |
![]() Obsessive Car Cleaner OCC | I think your getting confused hear..... A lightend flywheel will stay in motion as you say, objects in motion stay in moton..... a standard heavy flywheel will slow down quicker and have more engine braking because of its weight. A LF will stay in motion as there is less mass/weight for the engine to turn hence less engine braking as it stays in motion longer. ![]() |
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| | #14 (permalink) |
| MINI2fosi Join Date: Nov 2001 Location: MINItorque.com Local Time: 06:34 PM
Posts: 10,681
Offline | I always thought the LSD became part of the Chili pack as soon as the LSD came out. I didn't think it came out so soon either otherwse my mate Windy would of definitly opted for it. Unless I'm reading it wrong. Do you mean the lower ratio's came out in July 04 (makes more sense) as I know the LSD came out later than the facelift.... Now when I got my car it was already available, and it was weird how they did it. They made it part of the Chili pack but had added £100.00 onto the price of the Chili pack, but you could "opt out" of the LSD and the Chili pack droped in price, but £100. Basicly making it an option for £100 ![]() Thats asuuming my memory isn't fuzzy. ![]() |
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| | #15 (permalink) |
| 230whp an counting Join Date: May 2002 Location: Mini Addiction Local Time: 06:34 PM
Posts: 3,155
Offline | LSD wasnt available till jan 05 an was included in chili pack for £100. The ratios were changed as paul said in the july cause mine is a shorter ratio box with no lsd, but it has had a quaife put in |
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| | #17 (permalink) |
| MINI2 Regular Join Date: Dec 2002 Location: Denton, Tx Local Time: 12:34 PM
Posts: 54
Offline | Nope, the reason an engine has a flywheel is so it continues to turn between power strocks. A heavier flywheel has more inertia and provides for smoother idle. It also slows down the engines change in rpm - either speeding up when throttle is applied, or slowing down when throttle is removed. That's why people change to a lightened flywheel, so the engine will speed up faster when throttle is applied. And it also allows the engine to slow down faster when throttle is removed. Alan |
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| | #19 (permalink) |
| MINI2 Regular Join Date: Dec 2002 Location: Denton, Tx Local Time: 12:34 PM
Posts: 54
Offline | The MINI OEM lsd is a friction plate lsd. It is a simple effective design, but the friction plates do wear out over time. A Quaife is a automatic torque biasing (ATB) helical lsd. It has no parts that are designed to wear as part of normal operation. Thus the warranty for life. Quaife is widely used in motorsports. I don't know of any friction plate lsd used in motorsports. If a Quaife is not used, then a locker diff is usually used. Alan |
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