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944 turbo UK based clutch/flywheel upgrades?

PSH

PSH

PCGB Member
Morning everyone


As the title states I'm looking into a flywheel/clutch upgrade for my car that can be sourced in the UK. So a few questions

Does anyone know a UK based supplier of Specs
Has anyone used the Helix kits, especially the 4 paddle clutch plate, if so what did you think?
911 design supply an aluminium lightweight flywheel , anyone here with one fitted, if so what are your views?
Same question for the Fidenza Aluminium flywheel.
Any other make that I should be considering? the sachs range will not be strong enough

I'm trying to find a UK based supplier for these parts rather than having to go to the likes of Lindsey in the US, Nothing against Lindsey, I've used them often but I have a lot of gear to get from the US already and if I can save a little on import duty by using an UK supplier it helps towards the overall expense.

All input good or bad will be greatly received...

Pete
 
Hi Pete,

Very different car but I have a Helix 6 paddle cerametalic clutch and uprated pressure plate, together with a Fidanza Aluminium Flywheel in my Noble.

I was a bit worried that the clutch would be too on/off for a road car and that the pressure plate would make the clutch too heavy but it's absolutely fine on both counts - really pleased with it. Just hope it lasts well!

I have a mate with the 5 paddle version and I think that is far more on/off and he didn't like it first, although I think he's got used to it now.

The Fidanza flywheel doesn't exactly make it rev like a motorbike, but does seem a worthwhile mod.

Can't remember off hand how much weight I saved overall but it was significant - I'll try to dig it out later for interest, although the 944 saving will probably be different.

Regards

Graham
 
Thanks Graham...

I wasn't aware that Helix did the 6 paddle, I'll have to re-check as I've only seen the 4 paddle listed, perhaps that's only for the 944T. Originally I had been looking at the Specs 6 paddle so I'd certainly be interested if Helix do one.

Cheers

Pete
 
Well I owe you a dept of thanks Graham, I had assumed that Helix didn't do what I needed, I should have phoned them before to check...lol Anyway after hearing what you had experienced I gave them a call to check, they do indeed make a 6 paddle to fit our cars along with an aluminium flywheel and upgraded clutch housing machined from Aluminium billet which they say will handle my planned power output with ease. The price is very good too and more importantly they will supply at trade price to my son.

Happy days.....:)

many thanks

Pete
 
I had a Sachs intermediate clutch on my turbo race car and it was lovely to drive on the road and track,it felt like it had more robust with more clamping force but with some refinement.A paddle clutch would be really not nice to drive,i tried one in my 968 and went back to sachs intermediate,tougher but drivable i reckon.
 
EMC motorsport are Fidenza dealers,they are in Birmingham sorry i dont have a link,Kev or Alex would give good advice.
 

ORIGINAL: MarkK

I had a Sachs intermediate clutch on my turbo race car and it was lovely to drive on the road and track,it felt like it had more robust with more clamping force but with some refinement.A paddle clutch would be really not nice to drive,i tried one in my 968 and went back to sachs intermediate,tougher but drivable i reckon.
Click to expand...

Hi Mark

I agree if talking about a 4 paddle clutch, I used my sons modified Cossie for a while that has one and didn't like it although you do get used to it. That and his short shift sequential box made things very interesting but geeze was it fast...:)

The 6 paddle is reported as being a lot softer but can handle far more torque, looking at the state of my old Sachs clutch and flywheel the 380 torque that the car had before was slipping more than I had felt or smelt...:)

Pete
 
My cousin is into his Cosworth's (Norris Motorsport), he builds a lot of cosworth race engines. I don't know him that well but met him recently and had a ride in his brothers Lotus Sunbeam (fitted with a 700bhp Cosworth engine).....
 

ORIGINAL: barks944

My cousin is into his Cosworth's (Norris Motorsport), he builds a lot of cosworth race engines. I don't know him that well but met him recently and had a ride in his brothers Lotus Sunbeam (fitted with a 700bhp Cosworth engine).....
Click to expand...


Wow... all that power in such a light car... bet it was rapid, my son's is around 500bhp although it's currently going through it's next round of mods, he get's a lot of hassle with gearbox failures, even though he has a Quaife box who's internals are supposedly indestructible.. he breaks them and they fix then under warranty..lol
Mind you he is an aggressive driver, very hard on components, even with his day job vehicle, 32 tonne tipper...:)


Pete
 

ORIGINAL: 944 man

You cant drive a 32 tonne tipper hard Pete, itll break!
Click to expand...


Tell my son that when he's drifting around roundabouts.. lol.. it seems that he doesn't know any other way to drive than to drift. He drifted out of a yard one day, came out at 90 degrees to the road right in front of a police car who duel y pulled him over. Using his usual charm my son explained that he must have hit diesel to the officer who took him back to the car to watch the video , at this point the other officer in the car said to his mate look at this and then exclaimed ' that driving was the best bit of control that I've ever seen, it was the tit's), thinking this was a one off my son was let off and asked to be careful. Little did they know that this is a daily event for him.... I pray he'll drive normally one day, he has slowed down, must be getting old...lol

Regarding breaking things,, yes he does often.. Diffs normally and tyre wear is the highest in the company, problem is he has the highest rate of loads each day , he also parks under the hopper in one move, often involving some type of drift...lol
Believe it or not yard bosses have actually head hunted him due to his ability to drive so well, there are youtube video's of his adventures both in trucks and Cossie Ace Cafe meets, usually donuting around the small roundabout there... btw he's not my mechanic son, I have 4 boys, all grown up..:)

Pete
 

ORIGINAL: barks944

Do you let him drive the 944 then??!
Click to expand...


Yes... once... he took a friend with him who came back literally shaking so never again, I won't go out in a car with him any more.. getting too old. If I had the money I'd stick him in a race car and watch him clean up... my eldest has made noises about starting a race team at some point in the future, makes sense we have everything needed except cash....:(


Pete
 
Probably due to his ability to get an extra load every day!

You can do what you like when theyre empty of course - 420bhp can be fun in a 12 tonne lorry, but you need a little sympathy/empathy when theyre loaded.

Its actually a lot easier to drift a twin driven axle lorry, than it is a car btw. [:D]
 
I drove John Sims car shortly after he had a Spec clutch fitted and it was truly horrible. It had no modulation at all and felt just like an on/off switch so you either stalled or went off like a rocket. He did report that it got better with age, hopefully he'll spot this post and give us an update.

I had the Sachs Motorsport clutch fitted to my 3.2L Turbo and it was totally fine when the AFM was still fitted and it only put out 420ftlb. Very light to use and easily modulated, just like a standard clutch in reality. However once the MAF was fitted and it put out over 480ftlb it started slipping with ease and wore out in a few thousand miles [:mad:]

It was replaced with a standard Porsche Sachs 930 clutch and a KEP II pressure plate which held the power with ease. Pedal pressure was a bit heavier and it was still very easy to modulate but the bite point was incredibly low (almost as soon as the pedal left the carpet) and took a bit of getting used to. I put this down to the fact the 930 clutch is thicker than the 944 part
 

ORIGINAL: PSH

Well I owe you a dept of thanks Graham, I had assumed that Helix didn't do what I needed, I should have phoned them before to check...lol Anyway after hearing what you had experienced I gave them a call to check, they do indeed make a 6 paddle to fit our cars along with an aluminium flywheel and upgraded clutch housing machined from Aluminium billet which they say will handle my planned power output with ease. The price is very good too and more importantly they will supply at trade price to my son.

Happy days.....:)

many thanks

Pete
Click to expand...
Hey no problem Pete, happy to help! The Helix paddle should handle more torque than you can possibly get from your build. Do they also do an uprated pressure plate for the 944T? For the Noble they modify the original with an extra set of stiffer fingers.

Whichever way you end up going, I'd make sure you get the Cerametallic lining rather than organic though.


ORIGINAL: MarkK

I had a Sachs intermediate clutch on my turbo race car and it was lovely to drive on the road and track,it felt like it had more robust with more clamping force but with some refinement.A paddle clutch would be really not nice to drive,i tried one in my 968 and went back to sachs intermediate,tougher but drivable i reckon.
Click to expand...
Honestly Mark, at least in the Noble, the 6 paddle is fine. I really didn't want to go down the paddle route as I thought it would spoil the car but in the end I had no choice given the torque & power we were aiming for with the engine mods.

It's been absolutely fine though, even stop-start traffic crawling through jams is OK. You are slightly aware that it's a little more on/off than a standard clutch under those circumstances, but not to the point that it matters and I'm really happy with it.
 

ORIGINAL: GPF




Hey no problem Pete, happy to help! The Helix paddle should handle more torque than you can possibly get from your build. Do they also do an uprated pressure plate for the 944T? For the Noble they modify the original with an extra set of stiffer fingers.

Whichever way you end up going, I'd make sure you get the Cerametallic lining rather than organic though.

f than a standard clutch under those circumstances, but not to the point that it matters and I'm really happy with it.
Click to expand...


Hi Graham


I believe the aluminium machined billet cover incorporates the pressure plate, I'll check when I get around to ordering but I'm pretty sure it is as I asked if I had all the parts needed for the clutch, less the release bearing which Helix suggest the OEM is fine. Plus since the machined billet costs more than the flywheel and clutch pad together I think it's covered, however like I said I will check.

Thanks again for the heads up, that's another headache dealt with...:)


Pete
 
Pete, I tried a sprung 6-puk clutch once back when the car was driven on the road but we wound up taking it out. When you were up and going it was fine but off the mark and especially reversing / parking, it was pretty horrible. A lot of chatter and felt like it was putting too much extra stress on components. I am actually thinking about going back to one as the car is track only now. The positive about these clutches are that they do hold decent power and the change on the track is great. Feels much shorter during disengage / re-engage period of shifts. Much more 'Bang-bang' rather than the 'smudge' of a road type setup. Great for the track, not so great for the street was my impression.
 
Mines a 4 puck one with no centre springs, great for pressing on but getting a downshift wrong without heal and toe results in it feeling like the gearbox is being ripped out of the car.
You can hear the flywheel being shredded if you slip it too much.

The helix centre plate is a good price and may be my next port of call, thanks for sharing.
 
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