My clutch just started to slip in 5th gear under boost. Only done it twice and seems to drive fine when I'm not in it. I already have a new clutch and LWFW but I'm waiting on some other parts before going into the shop. How much time do I have left before I strand myself?

 

out of boost, plenty of time...boosting...not so much, maybe one good drive, maybe a couple days playing...?

 

was told under boost if you keep pushing it you'll ruin the flywheel..........i was told to go ahead and bring it in to avoid destroying a perfectly good flywheel........new to the turbo so i could be wrong but the guys who work on my car are yet to fail me so anyone else have any input on this?

 

Agree with ttboost. Stay off the boost and you'll be fine. Those other parts should be here any day now, right?

Jon

 

Can the dual mass flywheel be re-surfaced?

 

some say yes 9/10 shops will say they cannot be.

 

If I wasn't going the LWFW route I would have had mine resurfaced. My indy says it can be resurfaced unless it's too warped.

 

Sorry to hear it's slipping.

Just out of curiosity, how many miles are on the clutch? If it's chipped, how many miles was it chipped on the OEM Clutch?

 

I think it's hard to say....my friend the 6speeder ThePunisher has gone through flashed k24's and now 18g's with injectors upgrade on STOCK clutch...He tracks his car too.

 

I resurface the dual mass flywheels all the time. It takes a shop with a surface mill from what my machine shop tells me. I have probably turned 100-200 DMFW over the years.

 

Thanks, good to know. Hopefully I haven't damaged it yet.

 

Clutch has a total of 26,xxx miles, of which 17,000 miles were flashed. The 17,000 miles include 3 track seasons.

 

Well this was the last clutch I pulled out of a boxster, and the DM flywheel wasn't damaged, so you should be just fine.

 

That's a pretty solid record on that clutch then. I didn't think OEMs held up so well. Good to know!

 

Their is alot of mis-information floating around about resurfacing flywheels and clutch jobs IMHO.

Myth 1. dual mass flywheels cannot be resurfaced.

The truth is almost and flywheel can be resurfaced at least once, but if it is a stepped flywheel(the pressure plate mating surface is not level with friction surface) then both the step and friction surface must maintain the same height difference. So if you only machine the friction surface you will reduce the amount of pressure plate clamping distance which will effect the clutch when the disk is worn down. This will mean the clutch will start slipping earlier in the clutch life. You also should replace the pilot bearing when resurfacing the flywheel.

Myth 2. You cannot reline an old clutch disk.

You can reline a used clutch disc with high performance friction material at a quarter of the price that you can buy a high performance disk. The wear on a sprung disk is only the friction material unless it is worn to the metal. The sprung hub assemblies are rarely effected by the first wear cycles. 18 wheelers get the disks resurfaced all the time and those clutches see alot of wear compared to our cars.

Myth 3. You should always replace the pressure plate when doing a clutch job.

In most cases the pressure plates are warped or burnt to the point of not being able to be re-used. If the pressure plate is in good condition then re-use it. It is on condition IMHO. The issue is in most cases people put their cars down and already have the whole clutch kits ready so they both get replaced.

If you want to save some money buy a stock clutch kit and get Clutchmasters to modify the pressure plate for more pressure. The clutch disk does not always need to be super high heat tolerance friction material unless you are drag racing or doing alot of track events. Clutch technique makes a ton of difference on clutch life. It's all about get in and get out when it comes to using the clutch pedal.