conradb

I have Tick's LS7 full kit on my car. I recently went full race car with my C5 Z06 and did a cam and exhaust upgrade on the engine. I figure I'm around 460HP at the crank or so. This past track weekend at Buttonwillow Raceway in CA, I had a clutch failure out on track. I hear squealing, and gears almost won't engage at all while it's on (gears engage fine while off). I have to release the clutch pedal almost completely before I get any bite at all when I did manage to get it into first to load on my trailer. I still have to take the thing apart, but I figure it's either a throwout bearing, slave cyl, or maybe I broke the disc somehow.

Regardless, what sort of economical, but race-ready, clutch setup should I get? Thanks!

sccaGT1racer

Quartermaster is the way to go for a racecar.

dclafleur

If you're only about half race-car I'd still go with a twin disk clutch of your preferred flavor. Monster's twin disk is somewhat economical, there's a lot of personal preference in clutch setups especially when you move down the food chain to the "less" expensive options.

charger21

Another vote for Quartermaster.

Whis9

QuarterMaster

0TickPerformance

Shoot me an e-mail at nathan@tick-performance.com or give me a call at 336.719.0599 and I can get you setup with the correct clutch. We have several Corvette customers road racing their cars with good success with a Monster twin disc. Give me a shout and I can set you up!

BOTTLE FEDvette

RichieRichZ06

There isn't really any such thing as race ready and economical. I do agree with the others that recommended Quarter Master for a race ready clutch.

I laugh when people recommend your typical twin disc clutches that weigh 40-60 pounds for road race applications. They've obviously never driven a track car with a proper light weight clutch setup. There are certainly trade offs associated with a QM, but the benefits far outweigh them IMO.

A 7.25 or the new 8.5 twins with QM's Tri Lite slave assembly are the cream of the crop when it comes to a road race clutch. I would reach out to Danny Popp regarding purchasing one as he moves more QM clutches than anybody and can get you dialed in. If you want to PM me I can give you his email so it's not posted for all the spammers to see.

-Rich

davidfarmer

https://www.dropbox.com/s/jehia0l7cy...er-C5.pdf?dl=0

5.5" Pro, if you want to see what you are getting into. The 7" ralley clutch is very popular are maybe more durable, but I like the little 3 disc. I've been running them for 20 years

conradb

I appreciate the input. The QM clutch looks awesome. I just meant I wasn't looking to drop $5k on a clutch setup on something exotic. The $1-2k range seems pretty good. Thanks!

smitty2919

If you feel like being a guinea pig, look at RAM. They have a small LS twin/tripple disc for half that of a QM.

mfain

I went with a Tilton triple disk, carbon-carbon set-up. Race car.
Pappy

RichieRichZ06

I think a properly spec'd QM with the Tri Lite and all the goodies is around $2,400 ish from Danny

RX7 KLR

The McLeod that was in our project car was letting go on the dyno at 720lb-ft, so while we have the engine out for upgrades we are installing an OS Giken triple disk. Have used OS Giken in some of our other cars and been very happy with the results.

Werks

That's a great clutch, I've been running the same one on my C6Z track car since roughly 2013! I'm using an aluminum flywheel and it makes for a super light weight set up. If memory serves me right I believe the clutch and flywheel together weigh in around 9-10lbs total!

davidfarmer

QM started making C5/C6 specific setups 20 years ago, Tilton had nothing available then. I've stuck with QM because they have been reliable and they were first to give us a solution. Tilton is also a great company, just weren't available when we needed them in the early rear-transaxle days.

Racingswh

What do you feel are the most noticeable differences and benefits? What are the trade offs?

Racingswh

Funny you mention that. I literally just reached out to the original owner of my car, Mike Ellis, and asked him what he had used. For some reason I believed it was a Mantic Twin. It's not. It's a RAM Twin and it's never given me a problem and holds the latest build without issue 617 rwhp/551 rwtq. Mike won many a NASA TT in the car using that clutch. He installed it when the car was still stock power. It's never given me any issues, motor spins up quick and holds the power no problem.

I am not sure what else a clutch is supposed to do? I will definitely use a QM when it comes time to replace this one if that's the best choice but just wanted to know what I am in for. What's going to be better or different?

Grabbed_Crow_Mobe

I have a QM too and am very happy with it. If you are going to get one, make sure you order through Danny and not directly from QM. I did (not knowing any better) and ended up having to custom fab clutch lines to make it work. Danny's kit comes ready to install.

Maybe QM has a bolt on kit ready now but they didn't when I ordered. Check first before ordering.

smitty2919

Thant's good to know thanks.

A friend and I were at PRI and happen to notice the RAM unit. He is building a Factory Five Daytona with a LS for autocross/road racing. For the price it may be worth trying it. I think he totaled everything up and it was around $1000 if I remember correctly.