LT1-LT4 Modifications 1993-97 Gen II Small Block V8

My clutch went boom!!!! Pics inside

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Old 12-16-2008, 01:43 AM
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Default My clutch went boom!!!! Pics inside

Finally got around to tearing down the T56 to see what broke about 2 weeks ago. Well, turns out the clutch disk grenaded after 1 track pass followed by a WOT run on the street the next day.

Pulled the slave cylinder and there were chunks of the disk everywhere. Once I finally was able to pull everything apart this is what I found...

BTW-Can anyone identify the PP and disk? I think they're AC Delco but IDK.

Missing half the clutch material...LOL!!!!

Very little left on this side too!


Old 12-16-2008, 02:18 AM
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they look like ac-delco units but its been like 3 years since I did mine on my 99 ss
Old 12-16-2008, 07:57 AM
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Looks like the AC delco to me as well. BTW - same thing happened to me and here is a pic of my centerforce dual fric after it came apart.

Old 12-16-2008, 09:49 AM
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Originally Posted by DAVE00
Looks like the AC delco to me as well. BTW - same thing happened to me and here is a pic of my centerforce dual fric after it came apart.

I can't believe centerforce put a new friction material on an oem disk and expected it to last. I bent my stock disk, and I know a few people who ripped their stock disks in half. I would consider yourself lucky that the friction material came off before you broke or exploded the disk.
Old 12-16-2008, 10:45 AM
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Damn, that doesn't look pleasant, lol.

I'm glad I didn't go with the Centerforce on my LS1. I was really considering it, but the company that was selling it said not to bother unless the car was stock, lol.
Old 12-16-2008, 11:09 AM
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damn im glad i went auto instead of a stick
Old 12-16-2008, 11:25 AM
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Originally Posted by 19mike84
damn im glad i went auto instead of a stick
LOL, yeah i'm starting to think the same thing, i just installed a centerforce disc in mine, i beat the leaving chit out of my stock clutch/pp & it stayed together (chatter & all), but needless to say i didn't know it was stock, i was told it was a Ram when i bought the car
Old 12-16-2008, 11:43 AM
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Discs exploding seems to be a common thing as of lately, i tore my car down about a month ago and this is what i found

Clutch appears to be an OEM unit with about 65,000 miles of spirited driving and about 50-60 track passes

Old 12-16-2008, 11:52 AM
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Good grief that last one is scary.
Old 12-16-2008, 12:44 PM
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Not trying to go off topic here, but does anyone know a good TO bearing that wont rattle as loud when the car is in nuetral?
Old 12-16-2008, 02:19 PM
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I've had one of the springs pop out of my disk on me. Took out the rest of the disk, pp, and flywheel.
Old 12-16-2008, 05:39 PM
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glad you are ok....and believe me that ain't nothing, lmmfao!!!!
Old 12-16-2008, 06:02 PM
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streedemon you sbuy that car? i remember it was for sale but did it not sell?

also ive done that with a stocker also...i replaced it with a new stocker...now i make 540 ft lb on a stocker...
Old 12-16-2008, 06:10 PM
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looks great
Old 12-16-2008, 08:52 PM
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Originally Posted by daniel6718
streedemon you sbuy that car? i remember it was for sale but did it not sell?

also ive done that with a stocker also...i replaced it with a new stocker...now i make 540 ft lb on a stocker...

Yeah, I was trying to sell the car a while back. GOt lots of calls/emails/PMs but no one brought any cash. I fixed the miss(bad opti) it had, and now its sitting with no clutch....LOL!!!!

So your on a stock clutch? Im debating whether or not to buy an AC Delco unit but, that's still in the air at this point. I want to buy the disk and just reuse my PP/flywheel but Im also insure what to do?

Any ideas guys?
Old 12-16-2008, 11:05 PM
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Originally Posted by street demon2k3
Yeah, I was trying to sell the car a while back. GOt lots of calls/emails/PMs but no one brought any cash. I fixed the miss(bad opti) it had, and now its sitting with no clutch....LOL!!!!

So your on a stock clutch? Im debating whether or not to buy an AC Delco unit but, that's still in the air at this point. I want to buy the disk and just reuse my PP/flywheel but Im also insure what to do?

Any ideas guys?
I have heard it is not good to reuse your pressure plate, but not sure about that. I know you can get a disk from mcleod, which is a reputable company.
Old 12-17-2008, 12:53 AM
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I did the same thing to my old clutch. It sure wasn't pretty when the shop showed it to me after the swap.
Old 12-17-2008, 07:00 AM
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Originally Posted by speed_demon24
I can't believe centerforce put a new friction material on an oem disk and expected it to last. I bent my stock disk, and I know a few people who ripped their stock disks in half. I would consider yourself lucky that the friction material came off before you broke or exploded the disk.
Yup, that is the fw side and they redesigned it with more pads on the newer models. I lucked out as when we sent ours off many years ago they accidentally sent me two back (mine refurbd and a new one), so I found out that the new one sitting in my shop for years was a newer design. Saved me ton's of $ on a new clutch. Even called centerforce back in the day to tell em' their mistake and be honest, but they didn't wanna hassle with the shipping so told me to just keep it.
Old 12-17-2008, 12:59 PM
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if the disk and or the preasure plate say LUK on them then they are ac-delco
Old 12-17-2008, 01:15 PM
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I wouldn't reuse the pressure plate. Just get a new one, since you also get the TO bearing with it. Its just added insurance that a new one shouldn't break compared to a used one.


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