Clutch & Flywheel question
Thread Starter
Burning Brakes
Joined: Mar 2009
Posts: 830
Likes: 6
Clutch & Flywheel question
Well as happens to us all (I've been told) my Dual Mass Flywheel is giving up the ghost. At 120K miles I can't complain. I plan to run it this weekend, but want to replace it before the divisionals well I have the car down for new injectors.
The dual mass is no longer produced or available. Not a problem there are a number of single flywheel replacements. This is looking for the opinion of former C4 racers. My mechanic likes a a package from Summit, that can take more horespower than I would ever put in the car if I do a rebuild, but my concern is the aluminum flywheel. I like a different package with a steel flywheel, however the manufacture of that kit even recommends the aluminum flywheel for autocross application. The steel will be noiser than stock, I have been told the alminum will be even more so. The two kits are listed, both cost about the same. Thanks for the opinion.
http://www.summitracing.com/search/B.../?autoview=SKU
Clutches built specifically for your Corvette.
These RAM single disc push-type conversion C4 Corvette clutch kits are designed to replace the pull-style clutch and dual mass flywheel in your factory 1989-96 C4 Chevrolet Corvette. They consist of an aluminum flywheel, a high-clamp Borg and Beck-style pressure plate with a 2,800 lb. clamp load, and a RAM 300 Series organic clutch disc. The RAM single disc push-type conversion C4 Corvette clutch kits use an internal hydraulic throwout bearing, replacing the factory release mechanism, to complete the install. Best of all, these clutch kits are capable of handling up to a 700 hp holding capacity. $889.95
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C4 Corvette Clutch Kit And Flywheel Package C4 Corvette Clutch Kit And Flywheel Package
This Kit Fits 89-93 L98 And Lt1 Corvette. The Kit Includes A Complete Sprung Hub Street Performance Clutch Kit And Billet Steel 1 Piece Flywheel. Weight 60lbs
Manufacturer: Carolina Clutch
SKU: 111077 Part No: 04-113/1S
Clutch Kit : Stock Replacement Clutch Kit C4 Corvette Clutch Kit And Flywheel Package
This Kit Fits 89-93 L98 And Lt1 Corvette. The Kit Includes A Complete Sprung Hub Street Performance Clutch Kit And Billet Steel 1 Piece Flywheel. Manufacturer: Carolina Clutch
SKU: 111077 Part No: 04-113/1S List Price: $995.00 EA, Your Price: $850.00 EA
Since the original dual mass flywheel is no longer available, Carolina Clutch is recommending the 1 piece billet steel flywheel and sprung hub street kit as the best option for the owners who preferred the original dual mass flywheel and clutch kit. This setup will drive and feel like the stock setup that was original in the car however you may hear some gear noise that the dual mass was covering up but this is a much quieter option than the aluminum flywheel which will tend to amplify the noise. However they did send me an e-mail if the car is more for Autocross than HPDE there aluminum flywheel would be prefered and is 16lbs lighter.
Thoughts?
The dual mass is no longer produced or available. Not a problem there are a number of single flywheel replacements. This is looking for the opinion of former C4 racers. My mechanic likes a a package from Summit, that can take more horespower than I would ever put in the car if I do a rebuild, but my concern is the aluminum flywheel. I like a different package with a steel flywheel, however the manufacture of that kit even recommends the aluminum flywheel for autocross application. The steel will be noiser than stock, I have been told the alminum will be even more so. The two kits are listed, both cost about the same. Thanks for the opinion.
http://www.summitracing.com/search/B.../?autoview=SKU
Clutches built specifically for your Corvette.
These RAM single disc push-type conversion C4 Corvette clutch kits are designed to replace the pull-style clutch and dual mass flywheel in your factory 1989-96 C4 Chevrolet Corvette. They consist of an aluminum flywheel, a high-clamp Borg and Beck-style pressure plate with a 2,800 lb. clamp load, and a RAM 300 Series organic clutch disc. The RAM single disc push-type conversion C4 Corvette clutch kits use an internal hydraulic throwout bearing, replacing the factory release mechanism, to complete the install. Best of all, these clutch kits are capable of handling up to a 700 hp holding capacity. $889.95
-----------------------------------------------------------------------------------------------------------------------
C4 Corvette Clutch Kit And Flywheel Package C4 Corvette Clutch Kit And Flywheel Package
This Kit Fits 89-93 L98 And Lt1 Corvette. The Kit Includes A Complete Sprung Hub Street Performance Clutch Kit And Billet Steel 1 Piece Flywheel. Weight 60lbs
Manufacturer: Carolina Clutch
SKU: 111077 Part No: 04-113/1S
Clutch Kit : Stock Replacement Clutch Kit C4 Corvette Clutch Kit And Flywheel Package
This Kit Fits 89-93 L98 And Lt1 Corvette. The Kit Includes A Complete Sprung Hub Street Performance Clutch Kit And Billet Steel 1 Piece Flywheel. Manufacturer: Carolina Clutch
SKU: 111077 Part No: 04-113/1S List Price: $995.00 EA, Your Price: $850.00 EA
Since the original dual mass flywheel is no longer available, Carolina Clutch is recommending the 1 piece billet steel flywheel and sprung hub street kit as the best option for the owners who preferred the original dual mass flywheel and clutch kit. This setup will drive and feel like the stock setup that was original in the car however you may hear some gear noise that the dual mass was covering up but this is a much quieter option than the aluminum flywheel which will tend to amplify the noise. However they did send me an e-mail if the car is more for Autocross than HPDE there aluminum flywheel would be prefered and is 16lbs lighter.
Thoughts?
Melting Slicks
Joined: Jan 2009
Posts: 3,482
Likes: 196
From: folsom california
contact SPEC clutches and flywheels www.specclutch.com , they offer a wide range of clutches and flywheels for C4s, from street to full race, billet steel single mass flywheels, both stock weight and lightened, and aluminum.
Thread Starter
Burning Brakes
Joined: Mar 2009
Posts: 830
Likes: 6
contact SPEC clutches and flywheels www.specclutch.com , they offer a wide range of clutches and flywheels for C4s, from street to full race, billet steel single mass flywheels, both stock weight and lightened, and aluminum.
Quick question can anyone give me feed back on the drivability of the aluminum vs steel flywheel in autocross apps. Like one better than the other and why?
Safety Car
Joined: Feb 2000
Posts: 3,771
Likes: 0
From: MANDEVILLE, LA La
Spec just recently introduced a SMF in steel that has the same weight as our OEM DMF.It's also balanced like the Dual Mass. The say the "Rocks in a Can" Noise is pretty much not an issue.
see www.lmperformance.com
