Launching on DRs - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

GQ4Life · 07-01-2010, 03:59 PM

6K and dump clutch id hope the tires spin.. or how do you do a burn out..

i say 4K but dont dump the clutch ease out of it a lil.. takes away some of the shock.. less chance of breaking things..

BMR guy · 07-07-2010, 12:51 PM

Definitely don't dump the clutch with drag radials. With all of our track testing we have tried various launch methods in an effort to keep components alive. We have to abuse the car frequently to adequately test our products and driveline components end up paying the price for it. We have a graveyard of broken parts to show for it too. A 4k clutch dump sheared an axle shaft so now we have 300M axles in the car. The next time out at the drag strip we got 3 passes on the car, leaving a little harder each time but on the 4th pass, a relatively mild 3500 rpm launch sheared the output shaft off on the transmission. People are having driveshaft failures, sheared bolts, etc.
The best launch technique is to slightly slip the clutch. It takes practice to make your launches consistent and it's hard on the clutch but it's also the healthiest for your driveline.

jay11 · 07-07-2010, 02:13 PM

Quote:

Originally Posted by thesubfloor

Here's what happened to my passenger side halfshaft after only 15 passes at the track:

This was using Launch Control with 18" MT drag radials.

thats excatly what happened to mine. only 2000 miles on the car launched it at 3800 and it went SNAP

BMR guy · 07-08-2010, 08:29 AM

Quote:

Originally Posted by jay11

thats excatly what happened to mine. only 2000 miles on the car launched it at 3800 and it went SNAP

I guess if your going to break an axle we got lucky with a clean shear. Yours looks like it made a mess underneath your car!

07-01-2010, 03:59 PM	#15
GQ4Life Drives: 2010 Camaro SS LS3 Join Date: Aug 2009 Location: Fishkill, NY Posts: 5,211 View My Garage	6K and dump clutch id hope the tires spin.. or how do you do a burn out.. i say 4K but dont dump the clutch ease out of it a lil.. takes away some of the shock.. less chance of breaking things.. __________________ 2015 Corvette Z06.. Lime Rock Park 1:01; Watkins Glen 2:14; Thompson Speedway 1:21

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Official 1/4 Mile (V8) 2010+ Camaro Fast List	Merc	Dragstrip and Launch Techniques Discussion	3652	08-17-2023 02:50 PM
Unofficial 1/4 Mile (V8) 2010+ Camaro Fast List	Merc	Dragstrip and Launch Techniques Discussion	250	04-01-2014 10:40 AM
Any modded 5th gen SS's here that outrun a stock C6Z?	thebrander	5th Gen Camaro SS LS LT General Discussions	9	05-15-2010 04:23 PM
How are you guys launching??	mtm864	Dragstrip and Launch Techniques Discussion	1	04-20-2010 01:53 PM
TPMS on DR's	FASST 1	Wheels and Tires Talk Sponsored by The Tire Rack	3	04-13-2010 06:56 AM

07-07-2010, 12:51 PM	#16
BMR guy Drives: 2010 1SS Join Date: Jan 2010 Location: Tampa, FL Posts: 1,002	Definitely don't dump the clutch with drag radials. With all of our track testing we have tried various launch methods in an effort to keep components alive. We have to abuse the car frequently to adequately test our products and driveline components end up paying the price for it. We have a graveyard of broken parts to show for it too. A 4k clutch dump sheared an axle shaft so now we have 300M axles in the car. The next time out at the drag strip we got 3 passes on the car, leaving a little harder each time but on the 4th pass, a relatively mild 3500 rpm launch sheared the output shaft off on the transmission. People are having driveshaft failures, sheared bolts, etc. The best launch technique is to slightly slip the clutch. It takes practice to make your launches consistent and it's hard on the clutch but it's also the healthiest for your driveline.