Maybe consider a CF shaft, I believe they will act a little more like a shock absorber without taking a permanent twist the way aluminum will.

 

95 Bird uses an aluminum DS. Also the Denny’s aluminum shaft will hold about 1,000 HP (so says Denny himself). It has a lot to do with tube diameter and material thickness. Also, yes it is a 12 bolt with 33 spine axles. The only reason the DS is trashed is because of the rear U-joint failure, and that only failed because the debris in the diff locked the pinion to the ring. The local chassis/ rear end shop has plenty of very fast cars with 12 bolts, and they all run pro gears. In fact, when I described the problem, the first question they asked was weather or not I was running a pro gear. The 9" does have advantages, but at this point a change is not required. If I lowered the launch speed below 4,000 rpm then the standard gear would be fine, but what fun would that be? Also A3/A4 cars are much less likely to chew up gears, but enough dumps from a trans brake will eventually cause failure.

 

Anyone have a mirror for the videos in this thread? Not the streetfire one, but the ones on 95formula.ls2.com?

 

Updates yet, ****? Heh, im just ancy..

 

flyinZ: Me too.

I ordered the DS, but it will take a few weeks. I have the rest set up, so that will be the only thing I need to get the car driving.

 

ok, been reading this thread. very cool car. whats the updated info here?

 

Bump for 2008 update?

I'm really curious how the rear end held up...

 

Denny was telling me the Aluminum wouldn't hold up to my car(600hp) I went with the nitrous ready steel shaft

 

he's working his butt off right now. maybe alexs will respond sooner or later, just give him time.

 

No problem...just curious as I'm going the SR route and will be buying a new rear within the next few months.

 

The rear end ended up fine, and the driveshaft ended up being a last minute change to the nitrous ready unit. The Pro gear and the spool are the secret for a long lasting 6-speed 1/4 mi set up.

I just had the car caged in time for M-13, and went a new best MPH of 128.5 mph, and a best 1/4 of 10.8. The weather never seemed to cooperate with my racing schedule this past year, but over all the car went faster every time it went out. I also put some much deserved street mileage on it. This thing is a wicked street car, it pulls 5th gear very fast. It needs a passenger seat, and some interior finishing work, but there is no question that the car means business. I have some video of the street driving, and a race with something cool, but you will have to wait a few more weeks for those. I will start a new thread with the video updates attached to it when everything is ready.

94Z28rag: The SR is the way to play. I love it.

 

Did your denny's shaft have a nitrous ready sticker on it? Mine just said Denny's on it so I was curious if all of them said that or not??

Can't wait to see the vids!

 

I've been following your progress for a while now...both here and on YouTube. I will be going with a SR thanks to you!

The only thing I'm struggling with is the rear end choice, as this car will see street/road course/autocross time as well as plenty of drag racing.