Project C7 Corvette Stingray Z51: Drivetrain Improvements

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With the subframe, torque tube, clutch, flywheel, and bellhousing in place, the rest of the wires and lines could be plugged back in.

Howard double checks everything. This is a complex installation, and you have to think hard to decide if all this work is worth saving something like 22-25 lbs- including the weight saved by the clutch and flywheel. It is something to think about if you are going to or want to change the clutch for sure.

When driving our car, the new twin disc clutch was very streetable. It did make a little more noise than stock, as the discs can still move about and make some noise, but overall it is very quiet for a twin disc that usually makes all sorts of racket.

The engagement of our clutch is pretty smooth considering it has a solid puck friction material- thanks to the marcel spring and the spring hub. There is some light juddering on engagement, but again, this is still very smooth for a clutch that can hold 1200 hp!

The smooth engagement makes it easier to drive by a fairly light clutch pedal, which is made possible by the large surface area of the twin discs.

You might be wondering if we thought that all of this work was worth it. Well, if you have a C7 Stingray and simply want the best trickest parts, of course, it is!  Afterall, Chevrolet thought it was worth it to develop the carbon fiber torque tube in the first place for the Z06! It is hard to justify all of the work needed to install the part, unless of course, you are going in there to change the clutch like we did.

Stay tuned, in our next installment of Project C7 we add some additional cooling to our car to make it more track worthy.

 

Read more about our Project C7 Corvette Here!

 

Sources

Chevy Performance

McLeod Racing

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