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V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Driveshafts | Differentials | Gears | Rearends | Clutch | Shifters

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Old 02-04-2012, 08:05 PM   #1
Ivas
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Smile McLeod RXT clutch is da' bomb.

Fellahs, as I've modified my 2SS from stock to where it's at now (running in the tens in the quarter mile) newer clutches have been necessary.

The stock clutch was swapped out within the first six weeks of ownership; it was replaced with a Finacchi (spelling is relative here) which I spun at the track to the point it had to be rebuilt along Clutch Master lines.

The leg effort pushin' the clutch in was always high, and the squeek of the ceramic disc engaging, as well as the narrow engagement range, took some time to get familiar with. Friends who were allowed to drive my car all remarked that it wasn't so easy to drive. Of course, the tall cam surging and the low end boost of the twin screw KB blower contributed to this as well.

Now that the car is makin' 708 HP at the rear wheel on 114 octane Av-gas, a further upgrade was needed since the second clutch was no longer doin' its proper thing. I bought a McLeod RXT double disc ceramic clutch. I don't know yet how well it'll do on the strip since I'm takin' it hella easy for the first 400 miles until it's set, or some would say broken in. But it sure as hell is easier to drive. The clutch effort is the smallest I've ever experienced in any vehicle I've ever driven. The engagement is low on the pedal travel; one can almost keep one's heel on the floor as one engages and disengages it.

It's claimed to be strong enough to hold the torque of a car pushin' 1000 HP at the rear wheel. I may well find that out myself as I continue to mod the car.

Last edited by Ivas; 02-05-2012 at 02:39 PM. Reason: Typo
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Old 02-04-2012, 10:59 PM   #2
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Please report back after you hit the track. I'll be looking for beefier clutch in spring... have KB making similar power.
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Old 02-05-2012, 04:51 AM   #3
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It's claimed to be strong enough to hold the torque of a car pushin' 100 HP at the rear wheel. I may well find that out myself as I continue to mod the car.


did u mean 1000 rwhp? I'd suppose
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Old 02-05-2012, 08:00 AM   #4
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Thanks for the review, I'm considering this clutch as well, just trying to justify the expense over a high quality single.
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Old 02-05-2012, 02:39 PM   #5
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Quote:
Originally Posted by camarostar2010 View Post
It's claimed to be strong enough to hold the torque of a car pushin' 100 HP at the rear wheel. I may well find that out myself as I continue to mod the car.


did u mean 1000 rwhp? I'd suppose
That would be a big "Yessir!"
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Old 02-05-2012, 07:00 PM   #6
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Just waitin for some more info after you have wrapped this thing up to a few RPMs. I am upgrading in a few weeks and am still researching!
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Old 02-05-2012, 07:01 PM   #7
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I had the McLeod RXT and was over 1000rwhp and it still drove better than stock and held all the power. I have posted numerous times about how awesome these clutches are. You made the best choice IMO.
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Old 02-09-2012, 01:31 PM   #8
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Which vendors here on Camaro 5 sell the McLeod RXT?
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Old 02-09-2012, 08:01 PM   #9
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I shall undoubtably pass the "breaking in" period for my new McLeod RXT clutch sometime tomorrow evening; I'm doin' some off and on the freeway drivin' up to Berkeley, CA and back this week-end. I'll tell y'all how it holds when pushin' it at the drag strip as soon as the opportunity arises, prolly next Thursday night at Irwindale, CA.
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Old 02-10-2012, 09:19 AM   #10
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Quote:
Originally Posted by jrpxxii View Post
I had the McLeod RXT and was over 1000rwhp and it still drove better than stock and held all the power. I have posted numerous times about how awesome these clutches are. You made the best choice IMO.
Is there somewhere you have your 60ft or et posted?Hope to see your car in action soon!Thanks
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Old 02-10-2012, 09:42 AM   #11
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Hmm...
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Old 02-10-2012, 10:05 AM   #12
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I have the Mantic 9000 twin disk clutch and like you I was pleasantly surprised at how much easier a twin is to use than the stock clutch. I was thinking because it had 2 disks instead of one that it was going to take more pedal effort but it was just the opposite. I'm not running the high hp you are so I didn't go with the ceramic facing, I chose the organic but the improvement in clutch feel was amazing. It's smooth, clean, precise and very linear; no sudden grabbing. I just crossed the 500 mile break-in point on mine but so far I'm very happy with it.

If anyone is hesitating getting a twin because they think it's going to be harder to drive don't give it a second thought; they're great! Here's some pictures of mine on my project thread in case anyone wants to see how a twin looks compared to the stock clutch:

http://www.camaro5.com/forums/showth...=45165&page=10

I chose the Mantic because of the weight savings but I've heard nothing but good about McLeod.
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Old 02-10-2012, 11:56 AM   #13
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Quote:
Originally Posted by Hendrix-Engineering View Post
Is there somewhere you have your 60ft or et posted?Hope to see your car in action soon!Thanks
Its posted in the 1/4 mile thread but is very lame for what this car is capable of as the fastest pass I made was without a trans brake, the trans wouldnt shift and the methanol system was screwed up. That was also with the F1R and I have now rebuilt my entire engine, gone with the F2, added a nice nitrous system and installing the new Holley Dominator EFI system. This year I am going all out and have not overlooked any part and have every safety measure in place and will now come down getting everything dialed in.
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Old 02-10-2012, 12:00 PM   #14
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Old 02-11-2012, 12:34 PM   #15
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Do you have any times with the manual trans?
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Old 02-11-2012, 04:39 PM   #16
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Quote:
Originally Posted by jrpxxii View Post
Its posted in the 1/4 mile thread but is very lame for what this car is capable of as the fastest pass I made was without a trans brake, the trans wouldnt shift and the methanol system was screwed up. That was also with the F1R and I have now rebuilt my entire engine, gone with the F2, added a nice nitrous system and installing the new Holley Dominator EFI system. This year I am going all out and have not overlooked any part and have every safety measure in place and will now come down getting everything dialed in.
I was refering to the manual times,ive seen a few refer different clutches with high hp but i havnt seen the 60ft time or et showing that the clutch was really put to the test.If you never hook the car about any clutch will hold ,i was just curious if you ever got your car to stick .I know with your new setup your car is going to be insane ,good luck and looking foward to checking it out
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Old 02-11-2012, 04:59 PM   #17
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Originally Posted by Hendrix-Engineering View Post
I was refering to the manual times,ive seen a few refer different clutches with high hp but i havnt seen the 60ft time or et showing that the clutch was really put to the test.If you never hook the car about any clutch will hold ,i was just curious if you ever got your car to stick .I know with your new setup your car is going to be insane ,good luck and looking foward to checking it out
I took it to the track with the M6 and the best 60' I had was a 1.67 and best 1/4 was an 11.12. The clutch was driven on the street hard and never slipped and had no chatter and drove better than stock. Unfortunatley my trans gave up before the clutch did.
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