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The mkiv Supra Owners Club

What clutch for BPU?


a98pmalcolm
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hay all i think i got a bit of clutch slip tonight and its been on and off this month. So looks like the clutch is on its way out...

 

 

What would you guys/girls advise to get for my BPU+ supra (approx 420BHP)

 

Dont need anything to fancy but i think an upgrade to a stock one would be a good idea due to the extra 90BHP im running from stock.

 

What is a reasonable price to get one fitted?

 

Thanks

Paul

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IV herd of RPS clutchs.....Maybe thats the one to start looking at then...What kidna cost would that clucth and fitting be?

 

TBH might as well put a lightened flywheel on at the same time, any suggestions for that aswell?

 

Thanks

Paul

 

Wouldn't have thought a lightened fly wheel would be worth it on a BPU, its just gonna be noisey aswell.

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I have an RPS clutch and flywheel and am pleased with it. Like miko said, flywheel is noisy at low revs, but I can live with that as my Supra is no daily driver.

 

However, I don't see much need to upgrade the clutch for a BPU setup, as the stock one will be fine (I was running on stock clutch when I was BPU @ 1.3 bar)

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hay all i think i got a bit of clutch slip tonight and its been on and off this month. So looks like the clutch is on its way out...

 

 

What would you guys/girls advise to get for my BPU+ supra (approx 420BHP)

 

Dont need anything to fancy but i think an upgrade to a stock one would be a good idea due to the extra 90BHP im running from stock.

 

What is a reasonable price to get one fitted?

 

Thanks

Paul

 

 

Hi Paul

 

Have you dyno'd your Supe - is it actually 420bhp?

 

A stock clutch may well be good enough.

 

Mine seems to work fine on my BPU which has 390/400/420 approx bhp. :)

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I have a brand new one on the shelf, please see below. No clutch releasing issues with these!!

 

I use the stock, brand new driven plate, as it is correctly

balanced, doesn't judder and will hold all but mega torque

highly modded engines or cars used for drag racing.

I modify a stock brand new cover to give more clamping force.

The reason I tooled up to do these is some of the aftermarket

US clutches I have fitted SEEM to be built from used cover

assemblies with reground friction surfaces, and a stronger

spring. I have had hellish trouble getting these to fully

release, because due to this seemingly thinner cast iron

friction face, the geometry of the clutch goes to pot, and

being a pull type clutch (the hydraulics pull the bearing

away from the engine, rather than the more normal push type)

it is a lot harder to effect a cure.

 

For 495 pounds, you get a brand new driven

plate, a brand new modded cover, and a brand new release

bearing. I would rather fit myself so any complaints are down

to me, I see too many clutches juddering due to someone without

the right gear allowing the gearbox input shaft to bend the driven

plate. The gearboxes weight is allowed to swing on the plate centre,

bending the centre, or clutches fitted to patently buggered flywheels.

 

However, I might be persuaded to sell to people using bona fide fitters to install one.

Toyota use a dual mass flywheel (the flywheel is in 2 parts, an inner and

outer assembly, damped in the middle) which is now showing signs

of wear causing a lot of rattle when idling or on very light

throttle openings. For God knows what reason they are charging

about 270 quid for a new one, they look more like they should be

over 500 to me, but don't say anything :-) So if the flywheels

old enough or abused enough to be scored it's best replaced.

If pressed I will sell the clutch kit, which includes a new release

bearing for a 3rd party to fit.

 

Fitting by myself will cost £175.

 

Reply privately if interested please. [email protected]

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CW's clutch is also be worth a look though I haven't heard any feedback on it from members.

 

I've had one for years, drives like stock and does its job, what more can you ask for?

 

CW uses a stock OEM clutch with a modified pressure plate I believe, which IIRC is all the RPS Street ones are too.

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Guest EncoreWRC

I had an RPS and that did not last long on BPU, but I am sure its a one off as I have heard lots of good things. I just bought a Southbends clutch on a good exchange rate. Set me back £368 delivered + import tax....

 

Looking forward to the results....

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I had an RPS and that did not last long on BPU, but I am sure its a one off as I have heard lots of good things. I just bought a Southbends clutch on a good exchange rate. Set me back £368 delivered + import tax....

 

Looking forward to the results....

 

Was that for the rally stage 1 series or the TZ series 2 clutch bud? How long did it take to ship? my clutch started slipping tonight but it will be after xmas before ill be able to get a new one.

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Another vote for southbend, loved my last one and it lastest for 36k miles (last 6k of which was on a single). Drove like stock, no noise and very positive feel.

 

CW's clutch is also be worth a look though I haven't heard any feedback on it from members.

 

36k that sounds very low mileage to change uprated clutch is that right 36k.

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I've been selling a lot of Competition Clutch clutches lately, very very good and have a "proper" UK distributor for them so any problems you might have there is someone to talk to. You can see there clutches here http://www.competitionclutch.com/ , any questions just give me a shout. Oh and there available next day normally, if not 3 - 4 working days.

 

Ta

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I have a brand new one on the shelf, please see below. No clutch releasing issues with these!!

 

I use the stock, brand new driven plate, as it is correctly

balanced, doesn't judder and will hold all but mega torque

highly modded engines or cars used for drag racing.

I modify a stock brand new cover to give more clamping force.

The reason I tooled up to do these is some of the aftermarket

US clutches I have fitted SEEM to be built from used cover

assemblies with reground friction surfaces, and a stronger

spring. I have had hellish trouble getting these to fully

release, because due to this seemingly thinner cast iron

friction face, the geometry of the clutch goes to pot, and

being a pull type clutch (the hydraulics pull the bearing

away from the engine, rather than the more normal push type)

it is a lot harder to effect a cure.

 

For 495 pounds, you get a brand new driven

plate, a brand new modded cover, and a brand new release

bearing. I would rather fit myself so any complaints are down

to me, I see too many clutches juddering due to someone without

the right gear allowing the gearbox input shaft to bend the driven

plate. The gearboxes weight is allowed to swing on the plate centre,

bending the centre, or clutches fitted to patently buggered flywheels.

 

However, I might be persuaded to sell to people using bona fide fitters to install one.

Toyota use a dual mass flywheel (the flywheel is in 2 parts, an inner and

outer assembly, damped in the middle) which is now showing signs

of wear causing a lot of rattle when idling or on very light

throttle openings. For God knows what reason they are charging

about 270 quid for a new one, they look more like they should be

over 500 to me, but don't say anything :-) So if the flywheels

old enough or abused enough to be scored it's best replaced.

If pressed I will sell the clutch kit, which includes a new release

bearing for a 3rd party to fit.

 

Fitting by myself will cost £175.

 

Reply privately if interested please. [email protected]

 

It's as simple as that. Apart from MOT, nobody is going near my car but Chris.

 

I'm no expert but clutch/bpu job has kept a grin on my face for the last 4 months!

Edited by stinboy (see edit history)
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I've been selling a lot of Competition Clutch clutches lately, very very good and have a "proper" UK distributor for them so any problems you might have there is someone to talk to. You can see there clutches here http://www.competitionclutch.com/ , any questions just give me a shout. Oh and there available next day normally, if not 3 - 4 working days.

 

Ta

 

they look like a nice alternative :)

good prices aswel

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