Best clutch 99 C5

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Feb 27, 2020 | 03:43 PM

Smz89

Thread Starter

5th Gear

Joined: Feb 2020

Posts: 5

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Best clutch 99 C5

What is the best clutch for the money to replace mine in my 99 c5 Vette? Only mods are exhaust and intake.

Feb 27, 2020 | 04:23 PM

slvr bulit

Drifting

Joined: Feb 2005

Posts: 1,298

Likes: 21

From: east taunton ma

I put the LS7 clutch in mine,with a new slave cylinder and LS6 hydraulics. Awesome set up.

Feb 27, 2020 | 04:40 PM

Pounder

1/4 mile/AutoX

Joined: Jun 2014

Posts: 11,443

Likes: 2,189

From: Buffalo Texas

Quote:

Originally Posted by slvr bulit

I put the LS7 clutch in mine,with a new slave cylinder and LS6 hydraulics. Awesome set up.

same setup in our 02 Z06 and our 99 coupe !!! Awesome !!!

Feb 29, 2020 | 09:26 PM

redzg

Safety Car

Joined: Mar 2017

Posts: 3,773

Likes: 940

From: Orlando Florida

Current OEM for LS1 is GM 12581650 -- do not order one from GMPartsdirect, that cost me pretty much two (2) months.
If I had it do over again, I'd go with GM 12570806, current LS6 OEM, $500 at Summit. Both include disc, pressure plate, and flywheel.

Last edited by redzg; Feb 29, 2020 at 09:27 PM.

Mar 2, 2020 | 01:34 AM

Z06ster

Melting Slicks

Joined: Jan 2007

Posts: 3,021

Likes: 133

From: Conejo Valley CA

Quote:

Originally Posted by Pounder

same setup in our 02 Z06 and our 99 coupe !!! Awesome !!!

+2
The LS7 clutch is beefier than the LS6. There are "exotic" setups out there but you will pay a lot more. That's why I went with the LS7

Mar 2, 2020 | 05:27 AM

ZigZag

Burning Brakes

Joined: May 2013

Posts: 1,249

Likes: 142

From: Lynn MA

LS7 for me also and it's excellent. While in there replaced pretty much everything since the car did have 123,000 miles on it.

Mar 2, 2020 | 05:33 AM

Hitman227

Melting Slicks

Joined: Feb 2007

Posts: 3,297

Likes: 398

From: Raleigh Suburbs

Quote:

Originally Posted by ZigZag

LS7 for me also and it's excellent. While in there replaced pretty much everything since the car did have 123,000 miles on it.

Very smart, good insurance

Have you guys thought of running a lightweight flywheel to offset some of the added LS7 clutch weight , or like butter smooth

Mar 2, 2020 | 07:59 AM

Warning

Advanced

Joined: Feb 2020

Posts: 72

Likes: 14

From what i can tell, a complete clutch kit will cost around $500 and to install about $1,000?

i miss the days when changing a clutch was $300 labor.

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Mar 2, 2020 | 03:40 PM

smitty2919

Le Mans Master

Joined: Jun 2016

Posts: 5,466

Likes: 4,027

From: Cincinnati, OH

If you don't race it or drive it hard, just get a stock replacement with lightweight FW to add a little pep to the setup.

Mar 2, 2020 | 05:41 PM

#10

Hitman227

Melting Slicks

Joined: Feb 2007

Posts: 3,297

Likes: 398

From: Raleigh Suburbs

I drove on a lightweight flywheel in my TA for some time with LS6 clutch and 4.10 gears, was a hoot!

Mar 2, 2020 | 07:53 PM

#11

Warning

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Joined: Feb 2020

Posts: 72

Likes: 14

What is the stock gearing on a manual C5?

Mar 2, 2020 | 07:56 PM

#12

Hitman227

Melting Slicks

Joined: Feb 2007

Posts: 3,297

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From: Raleigh Suburbs

Quote:

Originally Posted by Warning

What is the stock gearing on a manual C5?

Tranny specs:
Coupe Z06
2.66 2.97
1.78 2.07
1.30 1.43
1.00 1.00
.74 .84
.5 .56

Mar 2, 2020 | 11:18 PM

#13

Warning

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Joined: Feb 2020

Posts: 72

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Quote:

Originally Posted by Hitman_396

Tranny specs:
Coupe Z06
2.66 2.97
1.78 2.07
1.30 1.43
1.00 1.00
.74 .84
.5 .56

Oh i meant like what gear set up? Like my Mustang i had 3:73s etc

Mar 3, 2020 | 07:55 PM

#14

Hitman227

Melting Slicks

Joined: Feb 2007

Posts: 3,297

Likes: 398

From: Raleigh Suburbs

Quote:

Originally Posted by Warning

Oh i meant like what gear set up? Like my Mustang i had 3:73s etc

Oh 3.42's are stock I'm assuming for c5 as well

Mar 3, 2020 | 07:58 PM

#15

gimp

Drifting

Joined: Jul 2015

Posts: 1,844

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From: San Jose, CA

Stock car? Street car? Stock clutch. You don't need anything more. The stock clutch was more than sufficient.

Mar 3, 2020 | 08:11 PM

#16

Hitman227

Melting Slicks

Joined: Feb 2007

Posts: 3,297

Likes: 398

From: Raleigh Suburbs

Quote:

Originally Posted by gimp

Stock car? Street car? Stock clutch. You don't need anything more. The stock clutch was more than sufficient.

IF you can source the LS6 clutch *cheaper*, it's a viable alternative. I'm guessing its lighter (then the LS7 setup). Stood up to the Z's 400 some-odd hp easy, was a nice upgrade in it's day, I drove on it *with* a lightweight flywheel for over 50k miles in a 400 hp TA with a geared posi and 285's all around, nice and crisp.

Mar 3, 2020 | 11:57 PM

#17

gimp

Drifting

Joined: Jul 2015

Posts: 1,844

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From: San Jose, CA

It is a handful of pounds lighter than the stock LS7, which I think is worth a small price differential, but yeah you'd hope to get it if it's cheaper (which it should be, but might not always be.) Either one I'd pair with a lighter flywheel if the owner is ready for the changes that entails, because they're not particularly light kits.

Mar 4, 2020 | 08:40 AM

#18

CinciZ06

Burning Brakes

Joined: Feb 2019

Posts: 1,028

Likes: 377

From: SW Ohio

I installed this kit from Scoggy Dickens. It is the LS7 clutch and pressure plate, and a Ram billet aluminum flywheel. It drives EXACTLY like my OEM LS6 clutch but holds the additional horsepower, and is about 3 lbs lighter. I did have the assembly zero balanced at a machine shop and although each was zero balanced from the factory, as an assembly it needed to balance done.

https://sdparts.com/i-23179965-sdpc-sdls7ck-ls7-clutch-kit-pressure-plate-disc-flywheel.html

Last edited by CinciZ06; Mar 5, 2020 at 09:59 PM.

Mar 4, 2020 | 08:43 PM

#19

Hitman227

Melting Slicks

Joined: Feb 2007

Posts: 3,297

Likes: 398

From: Raleigh Suburbs

Quote:

Originally Posted by CinciZ06

Interesting, with the lightweight flywheel, seems to be a very nice package, lots of hp, hows the pedal feel

Mar 5, 2020 | 05:36 AM

#20

CinciZ06

Burning Brakes

Joined: Feb 2019

Posts: 1,028

Likes: 377

From: SW Ohio

It’s honestly identical to the stock clutch.

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