Quote:
Originally Posted by wnta1ss
Guys, remember that this car is a ZL1, that has a stronger driveshaft than our SS cars came with. Seen plenty of guys posting 9-second slips with stock ZL1 drivelines, this is the first time that I've seen someone report a ZL1 driveshaft breaking.
As far as replacement options, I have seen a QA1 carbon shaft (for an SS) and that thing looked pretty beefy. Advertised to handle 1000 lb/ft of torque, it was slightly lighter than an SS shaft, so probably noticeably lighter than the ZL1? I know someone that installed a carbon shaft on a CTS-V3 (another LT4 car) and he said that the carbon shaft was noticeably lighter than stock in that case.
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I forget the exact weights but the QA1 was only like 2 lbs lighter than my stock SS shaft, I feel like the car reacts a good bit quicker, getting rid of the slop from the 2 piece. A lot of money for a dang driveshaft. But nothing is cheap for these cars. If I was planning on open headers / no exhaust I would go with the chrome moly shaft. 1 knick in it and the CF shaft =junk , but the exhaust protects it from debris flying up hitting it, another thing with the CF is if it does break, it should just splinter and collapse shouldn't have to worry about it banging the under carriage and setting off the air bags,also have heard a lot of the aluminum ones breaking, so choose wisely. FWIW I put 16 psi in my Mickeys and Send It. no problems so far.....lol . Trailer is on my list also, don't want the worry of getting home when it breaks and sooner or later it will.... looking forward to seeing your numbers on a good pass.