Aluminum Drivehsaft ?

[89LX]

I see Aluminum Drivehsafts for sell. What are the benefits other than weight if any? Is there a big difference in weight?

[2001NBMZ28]

I still run the steel ds - yours should be alum.

[89LX]

Shows what I don't know. Thanks

[mrr23]

higher critical velocity before any vibrations occur.

from TPIS website

The stock steel driveshaft in the 1982-2000 Camaro and Firebird is 2-1/2" in diameter and has a critical speed of 7177 RPM. This is as fast as it should turn. While this may seem high, there is another factor to consider. At approximately half of critical speed - which is 4784 RPM - annoying vibrations can begin to occur.
Half of critical speed is only 92 MPH with a 3.73 gear.

[autotrix]

That is interesting info! Balancing your driveshaft after a cam or ring and pinion swap may be useful?

[mrr23]

balancing the driveshaft is a good thing no matter what you do. even in stock form. the driveshafts come balanced from the factory. but, you never know.

[INMY01TA]

Here's a disadvantage:

[x-40oz-x]

wow
How much hp/tq did it take to do that?

[INMY01TA]

My car only makes about 362 on a Mustang dyno. I've seen a stock motor car (stock manifolds/cats) do the same with just a mcleod clutch on Nittos.

[autotrix]

Wow, I think I will balance the original and hopefully NOT pull something like that out from underneath my car!!!