Aluminun DS..Worth it?

[Black*Death]

Been thinking of trying to reduce some rotating mass.

I have heard a lot of negative stories about the Ford racing Aluminum DS.

AM has these..

http://www.americanmuscle.com/aluminum-driveshaft-9901cobra.html

Out of stock currently but were in stock on Monday?

Anyone install one? Has decent reviews at AM...

 

[99COBRA2881]

Rotating mass is on too small of a diameter to make a noticeable difference.


Lighter wheels will make a more noticeable difference or an aluminum flywheel.

 

[Brutal Metal]

to answer your question NO, it will not show up on a timeslip or seat of the pants..

 

[olgreydog7]

It will show up if you pull your trans or do rear end work a lot. The stocker is heavy. I should probably do the math to prove it's worth it. But I tossed my stocker or sold it. Either way it's gone.

 

[01yellercobra]

An aluminum driveshaft was one of my first mods. I ran the foxbody driveshaft though. I think I paid $150 for it. This was back in 2005 though. Must be worth something since Ford went aluminum in the 03/04's.

 

[railroad]

I bought the j part number from Ford Motorsports for my 99 Cobra. It does make a difference in throttle response and reduced vibration. You will get used to it and not remember the change after about a week of driving.

 

[DHG4410]

Yes with the combination of the other suggestions it will help.

 

[99COBRA2881]

It's a 6lb difference spinning on a 1.5" radius. Glad so many here can feel that difference.

 

[96gt02]

If you have no other mods left to do then id say get one.

 

[01yellercobra]

It's a 6lb difference spinning on a 1.5" radius. Glad so many here can feel that difference.

I honestly don't remember if I felt anything. I remember there being something about it being less rotational mass. If anything like what was mentioned, it's easier to drag out from under the car when doing work.

 

[99COBRA2881]

I will say that all my cars have an aluminum ds under them, my 99 has one because it came with the t56 kit from D&D. Race car had one when I bought it.

All I'm saying is it's a very small change, it's like someone saying they could tell a difference between throttle bodies on a stock displacement 4.6l dohc.

 

[olgreydog7]

It's not so much the weight savings as it is typically for strength and balance.

 

[99COBRA2881]

It will show up if you pull your trans or do rear end work a lot. The stocker is heavy. I should probably do the math to prove it's worth it. But I tossed my stocker or sold it. Either way it's gone.

Well which is it? lol j/k

 

[olgreydog7]

Well which is it? lol j/k

I did the math. Wasn't worth it. Like 1/4 hp.
But, the al is significantly easier to pull out, stronger, better balanced. I still say it is worth it, to me at least.