Black993

Been waiting for this! Thanks guys.

Is there anything that is on the normal "While you're in there...." list that can't be done by using this method instead of the engine out method?

Cactus

Nice DIY sullysizzler! Sorry I missed this party.

MarkD

Excellent DIY documentation sir(s)!


Off the top of my head, PS belt should be checked/replaced.
Perhaps clutch slave

matt777

Looks like some very good references for when the time comes for my clutch.

Toga

Excellent job Neil!

Mark in Baltimore

Incredible write-up, Neil. Well-done.

Don Plumley

Great write-up!

NP993

This is terrific, thanks guys.

NineMeister

I wish I had a home garage that spacious! Well done for the write up, some excellent info there for anyone having a go themselves.

The only thing I would like to add as a reinforcement of your instructions is more detail on the correct orientation of the clutch centreplate. You did state that the spring face goes to the flywheel side, therefore by inference the flat face points towards the gearbox, contrary to normal practise. This is critical, since it is (just) possible to fit these parts the wrong way around.

I should add that if you do manage to get it wrong & start the engine, you will be faced with the boss of the centreplate friction welding itself to the end of the guide tube. You don't need to ask me how I know, but suffice to say the guy who did it no longer works at 9m....

Stealth 993

WOW, that is great!!

Any thing you would change the second time? I really want to and the RS clutch to my C4S, but most likely have a shop do it. My garage barely fits my car.

mday

Nice write up guys. Am I right in saying that following an RS clutch/flywheel install on a standard car the ECU needs modifying to up the tickover? Also can the gearbox be removed without removing the engine on a C4S?

porscheralph

I had my LWF and RS clutch installed in my 97 over 18 months ago and did not require any mod to the ECU and the car ran great - no stalling etc. This may not be the case with model year 95. Your mileage may vary.

nsully

Thanks for the great response to the DIY. It is a good starting point, and the next person to do it will refine the process even more. My car is a DD and I have to tell you it runs fantastic. I mentioned that I sent my ECU up to Steve W. for a remap. The difference in the way the engine performs is all-encompassing.
Better throttle response, smoother idle, power up the whazoo, and a real/imagined quickness thru the gears. I am very pleased. Thanks Steve!

answers to a couple of questions,
Raceit - about 2.5 to get it out and about 2 to get it back in. That includes some laying on the floor and staring at stuff-weird huh?
Porscheralph - no need to be a gopher, your in. Andreas and I need to put out a feeler next time.
Travanx - I think it is easier to drive. Throttle response is quicker and easier to apply the clutch. Clutch engages just a little lower than stock. No stalling issue in approx. 300 miles. LSD is very noticeable. I need to become a more skilled driver.
Black993 - while your in/up there, bleed the system, new slave if needed, shift rod bushes.
mday - I have only been underneath a C4 once but the front shaft does not appear to allow enough room for the tranny to slide forward. Someone with this experience may chime in.
I mentioned that I sent my tramsmission to Brian Copans first and foremost for an LSD. Because it was apart I asked for a refresh as well. Glad I did. I now have new steel synchros, pinion bearing, replaced a shift fork, and some other things that I don't know what they do. I couldn't be happier.
Colin - Thanks for your alert regarding the orientation of the disc. I can go back in and edit. Is the 993 clutch disc different from other Porsches?
Neil

NineMeister

No need to edit Neil, you got it correct, the springs go towards the flywheel, i.e. engine side and the flat face towards the cover / gearbox side.

I just wanted to mention that it is possible to put the plate in the wrong way round, a mistake which happens because this is how the disc is fitted on most other conventional clutch assemblies. Hence I thought I should pre-warn everyone to be dilligent so it won't happen to a fellow Rennlister. All the best.

RS man

You don't need a large homegarage Colin

Harry