Launching!!??!
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From: Greenville, Raleigh NC
Launching!!??! Ok, so I just got a 12 bolt, (Moser 33 spline with 3.73 and a tru track) Just wondering what a safe yet effective launch is on this rear and a stock drive shaft. It is hard for me to get over being scared of launching the 10 bolt.
The best 60 I have ever had is a 1.9 on the car which as a result has only netted me a 13.0 in the 1/4.
I am hoping with the rear and the turbo (probably wont start with a 2 step) I can just skip the 12's but I guess what rpm and slip or dump will keep the car from bogging and actually get me out of the hole?
The best 60 I have ever had is a 1.9 on the car which as a result has only netted me a 13.0 in the 1/4.
I am hoping with the rear and the turbo (probably wont start with a 2 step) I can just skip the 12's but I guess what rpm and slip or dump will keep the car from bogging and actually get me out of the hole?
Thread Starter
TECH Enthusiast
iTrader: (9)
Joined: Oct 2005
Posts: 702
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From: Greenville, Raleigh NC
With a stock t56 and a stock drive shaft I would have say that sounds like a bad new. I agree with bob with twisting the drive shaft, been there. Up grade the transmission, tickshift.com stage 2 kit, and a upgraded drive shaft. Then I would feel better bouncing it off the limiter to launch the car.
It is hard for me to get over being scared of launching the 10 bolt.
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From: Turnin' Wrenches Infractions: 005
i swap a guy for a steel DS i had laying around and we went to the track the next morning and he was launching at over 6K with no problems.....steel DS came on 2.73 geared auto cars.
I have read LS7 clutches do not like multiple high RPM dumps on sticky tires, but as long as you don't hot lap it should be fine. I have yet to run sticky tires on this rearend, but I would love to dump the clutch at 6k! Damn school eats all my extra money for tires. 
I've let my LS7 cool down for about 10-15 minutes before each run, then after about 4 runs I'll change the clutch fluid out for new, seems to help alot on my high RPM dumps.