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Upgraded clutch advice
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03-07-2013, 03:08 AM | #45 |
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I'm also in contact with a well-reknowned German tuner right now who has recently developed a single mass steel flywheel. Apparently very well done, balanced and everything, car's supposed to run even quieter than with the stock setup (has been tested on a 600hp 1M Coupé). I might go with this, depending on the price which I do not know yet.
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03-07-2013, 03:17 AM | #46 | |
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03-07-2013, 03:18 AM | #47 | |
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03-07-2013, 03:53 AM | #48 | |
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Yes, a a heavy flywheel takes energy to accelerate, so during the acceleration phase you will have more hp at the wheels..... I have an alternative method to get a clutch (but only 1 unfortunately) My brother is in Braselton, Georgia (US) at the moment with the ALMS race team he works for. There is a SPEC dealer 10 minutes from their shop, and they can get the full stage 2+ kit and ally flywheel in for $750 + $500 = $1250 or £825. So plan is my brother can pick it up and bring it home in his bag (it weighs 14kg all in). No tax risk as he is a race mechanic rushing a repaired part back to the UK We'll see..... |
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03-07-2013, 04:03 AM | #49 |
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What are the timescales?
I might wait until yours is done and see how you get on - maybe take a ride! It was a good plan of mine to tell you your clutch was slipping!!
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03-07-2013, 06:33 AM | #50 |
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Thanks, make me the guinea pig
We're talking next week - the US dealer says SPEC have 2 off 335i ally stage2+ sets in stock and can ship to the dealer by next week, then my brother returns on the 22nd March. At the moment I've had to cut out any 'spirited' acceleration as I don't want to cook the clutch or DMF by slipping it anymore than the limited amount it has already. Hopefully I can sell the OE clutch and FW, it's only done 42k and is quite capable of running in a standard or mildly tuned car for a lot of miles yet. Last edited by doughboy; 03-07-2013 at 06:57 AM.. |
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03-07-2013, 04:16 PM | #51 | ||||
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£250 is in the ball park of what I paid in labour on the clutch? It might also be worth considering replacing the release bearing depending on mileage. It's pretty cheap and worth doing for peace of mind. 21 51 7 564 027 Release module ~ €52.50 23 00 0 417 164 Set of alu. screws manual gearbox €6.55 + DP/Exhaust gaskets + exhaust bolts (so possible another £20-30)
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6MT | COBB PTF | AR DPs | Helix FMIC | Forge DV | Quaife LSD | ER Sports OC | ER CP | AP Racing BBK | Hartge ARBs | M3 suspension | Öhlins Road & Track | HPF Stg 2 clutch | Bastuck exhaust | P3 Gauge
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03-07-2013, 04:31 PM | #52 |
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335rocks, I'm surprised you still have the DMF, for what it's worth it seems a good idea to change it out while the box is off?
Spec are listing a hybrid option on the spec 2+ that uses spec 3 friction material on the full face spec 2 clutch for better wear and smoother engagement, for $75. We could do with finding out if the idle can be adjusted via inpa... |
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03-07-2013, 05:17 PM | #53 | |
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My DMF is okay as I'm not running RB's yet, so I'm nowhere near what an RB powered car would be running. Also I didn't change my DMF when the clutch was fitted, so I saved a little money there. When it was changed at 56K my car had only experienced a tiny bit of clutch slip so the flywheel looked fine and wasn't damaged. I think Marcel's experience with replacing the DMF and still getting judder proved that my judder wasn't caused by not changing the DMF. I might bump up the power a little when I get the oil cooler fitted as this is starting to restrict power on hot track days and running a little hotter that I would like. With the PROcede I could always drop it to a different map with less boost, so it was manageable. Alternatively I could lift off a little so I'll give COBB a try and see how that drives.
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6MT | COBB PTF | AR DPs | Helix FMIC | Forge DV | Quaife LSD | ER Sports OC | ER CP | AP Racing BBK | Hartge ARBs | M3 suspension | Öhlins Road & Track | HPF Stg 2 clutch | Bastuck exhaust | P3 Gauge
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03-08-2013, 03:32 AM | #54 | ||
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Fingers crossed guys but it looks like I've found a Spec flywheel so will be doing my own import. |
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03-08-2013, 03:36 AM | #55 |
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I've had some tech replies from David Norton at SPEC.
First point of interest is N54 flywheels changed from 8 hole to 6 hole after Jan 09 build, so that's a point to be aware of. Second point is the variety of SPEC models. They make clutches that will work with OE flywheels....and flywheels that will work with OE clutches. BUT their clutches that go with their own flywheels are very different, and not compatible with either OE item. Theire paired clutch/flywheel combos are a lot better drive and engagement / pedal force wise, they have their own non-SAC (non self adjusting clutch mech) which is lighter and simpler and gives higher clamping force with less pedal force. Also available only with the clutch/FW combo is the $75 'enhanced hybrid option' which is a full faced cross of the st3+ and 2+ compounds. It (quote) offers greater wear life and smoother engagement over the standard st2+. So it seems buying the paired SPEC clutch / FW combo rather than the OE compatible versions will offer a better solution? Hmmm.. I'm about to push the button on this while my brother is in the US to hand carry it back.... Darren Wood have quoted 3hrs/£150 to fit it. Last edited by doughboy; 03-08-2013 at 04:20 AM.. |
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03-08-2013, 05:22 AM | #56 | |
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Anyway, @doughboy: You said that Spec stated their flywheels should also work with other clutches. Does that now mean I can just replace my OEM flywheel with the Spec steel single mass and call it a day? I'd really like to keep the HPF in spite of the judder, as it's been f***ing expensive. Alpina_B3_Lux
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03-08-2013, 05:37 AM | #57 |
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I'm waiting on a re-confirmation from SPEC.
But it seems clear from the parts lists that you can buy: a) StageX clutch to fit OE design flywheel b) Steel or ally flywheels to fit OE design clutches or c) Complete StageX & Ally/steel flywheel kits not compatible with clutch or flywheel. So, yes, in answer if you have any make of clutch on an OE flywheel, the you can buy a SPEC flywheel to fit an OE clutch (in theory) I'll update when I have a response, but either way you'd be best to confirm with david3@specclutch.com (David) |
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03-08-2013, 05:42 AM | #58 |
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So Doughboy..
What exactly are you about to buy? Aluminium FW Spec Hybrid Stage 2+/3+ Clutch Do you have the part numbers?
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Car: e91 330d with Viezu map
Gone but not forgotten: 2010 Jaguar XFR (Cat-back exhaust, pulley, intake mods and map), Highly Modified E90 335i LCI M Sport Manual (circa 480BHP/500lb ft) |
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03-08-2013, 05:49 AM | #59 | |
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I'm totally with you on the HPF, it judders like a mofo but it is too expensive for me to change. Last edited by idnan; 03-08-2013 at 07:51 AM.. |
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03-08-2013, 07:39 AM | #60 | |
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The upper half is the non-SAC clutches that have to be paired with a SPEC billet (alloy or steel) flywheel, you can select the hybrid option also with these combos. The lower half of the page is the OE compatible clutches and flywheels. Read the 'comments' section with each. I'm looking at: Flywheel SB53A-3 and St2+ Clutch SB533H-2 plus the hybrid option. You may also notice they only give tested torque figures with their own clutch/flywheel pairs, the OE compatible ones don't quote any such figures...... Last edited by doughboy; 03-08-2013 at 07:46 AM.. |
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03-08-2013, 08:00 AM | #61 |
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I'll probably go for:
Aluminum SB53A-2 $579.00 Stage 2+ SB533H-2 $839.00 + Enhanced Hybrid Option for Stage 2+ Kits $79.00 How big is your brothers baggage allowance!!
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Car: e91 330d with Viezu map
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03-08-2013, 02:19 PM | #62 |
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03-08-2013, 02:48 PM | #63 |
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Yep Nov 08
Heard back from the UK dist, prices as follows: SB533H-2 £646.34 each SB53S-2 £484.82 each Above prices are with 15% discount, prices inc 20% VAT, exchange rate has dropped quite a bit since my original quote, just in case you wondering why it was more expensive. If all 5 pieces are bought at the same time, They can knock £100 from the total price.
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Car: e91 330d with Viezu map
Gone but not forgotten: 2010 Jaguar XFR (Cat-back exhaust, pulley, intake mods and map), Highly Modified E90 335i LCI M Sport Manual (circa 480BHP/500lb ft) |
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03-08-2013, 06:58 PM | #64 | ||
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I would have gone down the route of Setrab if I had a VK Motorwerks bracket, but I couldn't really say no to the price I got the ER cooler for.
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6MT | COBB PTF | AR DPs | Helix FMIC | Forge DV | Quaife LSD | ER Sports OC | ER CP | AP Racing BBK | Hartge ARBs | M3 suspension | Öhlins Road & Track | HPF Stg 2 clutch | Bastuck exhaust | P3 Gauge
Last edited by fastloop; 03-10-2013 at 08:36 AM.. |
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03-11-2013, 11:47 AM | #65 | |
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£1130 (plus about £50 for the $79 hybrid option) is a great deal in the UK. What's their lead time? As I'm planning a hand-collection in the US, I'd forgotten about local US taxes, which adds 7% in Georgia, so all in I'd only save £100 by importing it myself (and thats with 10% discount off list AND ZERO shipping, hand carried in person), on a major purchase I don't think that £100 is enough saving considering the risk of import duty if my brother get collared and lack of local backup if there are any problems. I would prefer to buy it in the UK - are you up for it? |
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03-11-2013, 02:28 PM | #66 |
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Yes, But those prices were on the basis of 3 x flywheels and 2 x clutches..
Perhaps I should start a new thread in the classifieds for a group buy? Would you have them fit it too? Or want inc postage? My perspective is if they supply and fit they're much more likely to deal with warranty claims...
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Car: e91 330d with Viezu map
Gone but not forgotten: 2010 Jaguar XFR (Cat-back exhaust, pulley, intake mods and map), Highly Modified E90 335i LCI M Sport Manual (circa 480BHP/500lb ft) |
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