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I just started using the RXT Twin Disk Clutch from McLeod pn 6921-03 along with the 14025-22 Throw out bearing. The bearing also requires a spacer and a device to keep it from rotating. I believe those parts are available from Pantera Performance.

The combo should be good for 900+ hp. The engagement is smooth and pedal pressure is much lighter than the old 3 finger McLeod pressure plate I removed.
quote:
I just started using the RXT Twin Disk Clutch from McLeod pn 6921-03 along with the 14025-22 Throw out bearing. The bearing also requires a spacer and a device to keep it from rotating. I believe those parts are available from Pantera Performance.

The combo should be good for 900+ hp. The engagement is smooth and pedal pressure is much lighter than the old 3 finger McLeod pressure plate I removed.


Is that for a windsor or cleve?
Will
quote:
Originally posted by 4NHOTROD:
quote:
I just started using the RXT Twin Disk Clutch from McLeod pn 6921-03 along with the 14025-22 Throw out bearing. The bearing also requires a spacer and a device to keep it from rotating. I believe those parts are available from Pantera Performance.

The combo should be good for 900+ hp. The engagement is smooth and pedal pressure is much lighter than the old 3 finger McLeod pressure plate I removed.


Is that for a windsor or cleve?
Will


I'm using the clutch with a 408 Cleveland.
John
The Centerforce 10-1/2" is said to have a maximum of about 800hp.

It is lighter in feel than the McLeod.

It does have a strange break-in though and takes some driving with it before it is seated. The Mcleod is ready as soon as you put it in.

I had the Mcleod in the car and took it out for the lighter clutch pedal.

I do not baby this car. I drive it like I stole it. I am not sorry for using the Centerforce. Not yet anyway. Wink
That centerforce is the upgraded one that most people dont use. The most common Centerforce is rated for ~550hp. However, I know a few guys that have had good luck with the lower rated CF having big power. I was worried about the peddle pressure on the 3 finger Mcleod but its no more than the lower rated Centerforce.
Youre right about the Mcleod not needing a breakin period. Put it in and light it up.
Will
I never looked at at a hp chart. Discussion amongst racers is that they think the Dual Friction CF is about an 800hp unit.

I also think people worry too much about that in street cars. It is more closely rated to torque than HP. Unless you are going with a stroker you are really pressed to make much over 550 hp with 357 ci, or 450 to 500 ft-lbs of torque.

If you are making 800 hp on the street you are using a Mountain "Motor", a lot of nitrous oxide, or very serious supercharging.

If that is so, the ZF is going to go long before the clutch will. There should be a fuseable link. The clutch makes a good one.

The wear and tear on the linkage is very important, I think. It was designed for a stock clutch. Many clutch issues now are related to that increase in pressure on the linkage.

For sure both the CF and the Mcleod are heavier clutches than original equipment in the car. I think that having had both, the CF is noticeably lighter than the Mcleod? There's no problem with the Mcleod. It's a nice clutch. I'm just trying to have my cake and eat it too. CF is no angel. None of these companies are.

Stock being 2600 to 2800 pounds. Aftermarket being generally around 3200 pounds. Feel an original if you can find one. You will see the difference.
Last edited by panteradoug
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