Aluminum Driveshaft
Thread Starter
Burning Brakes
Joined: Jul 1999
Posts: 1,013
Likes: 0
From: Austin TX
Aluminum Driveshaft
It has come to my attention that my driveshaft is too long...so its time to get a new one....has anyone done aluminum???
How much of a gap should I have between the trans and the yoke?
How much of a gap should I have between the trans and the yoke?
Pro
Joined: Jun 2001
Posts: 683
Likes: 0
From: Calgary
Re: Aluminum Driveshaft (StingrayRacing)
I think Monty went with a aluminum drive shaft from Denny's Driveshafts. As for how far the yolk sits in the transmission, I would say leave enough room to pull the other end of the driveshaft out of the pinion yolk u joints. :jester Seriously, I would try to engage the splines as much as possible while leaving enough room to remove the driveshaft (didn't I just say that :blueangel: ).
Safety Car
Joined: May 2001
Posts: 3,758
Likes: 3
From: Surrey
Re: Aluminum Driveshaft (StingrayRacing)
My latest Summit Racing catalogue arrived today & had a article on fitting an aluminum driveshaft. Only had a quick look at it, but I think it said that it saves 2 1/2 lbs of weight, helping to free up some more HP.
:cheers:
:cheers:
Safety Car
Joined: Apr 2001
Posts: 3,574
Likes: 0
From: Middleboro/Boston MA
Re: Aluminum Driveshaft (UKPaul)
The summit Ad is also claiming this is one way to increase your RWHP
by reducing the parasidic drivetrain losses.
I wonder how much off a diff it would make in RWHP to change all
the shafts to alum.
by reducing the parasidic drivetrain losses.
I wonder how much off a diff it would make in RWHP to change all
the shafts to alum.
Melting Slicks
Joined: Mar 2002
Posts: 3,193
Likes: 0
From: Pittsburgh PA
Re: Aluminum Driveshaft (Crazyhorse)
I also wonder how much RWHP would be gained- especially with an aluminum driveshaft AND halfshafts. I wonder if CHP or any of those mags have ever done tests?
Also, how much does an aluminum driveshaft cost?
Jerry
Also, how much does an aluminum driveshaft cost?
Jerry
Race Director
Joined: Aug 1999
Posts: 18,126
Likes: 174
From: WI
Re: Aluminum Driveshaft (StingrayRacing)
RichP,
On "paper" the 2.5lbs sounds like alot but you will never feel the difference, your wallet certainly will though!!. The closer to the centerline of the crankshaft the LESS effective a reduction in "rotating mass" becomes. I read an article from Tex Powell (Tex Racing) where he talks about what parts he likes to lighten to get the rotating weight vs. what parts are "cost effective to lighten". ...redvetracr
PS: To answer you about 1" will work
[Modified by redvetracr, 4:14 PM 6/26/2002]
On "paper" the 2.5lbs sounds like alot but you will never feel the difference, your wallet certainly will though!!. The closer to the centerline of the crankshaft the LESS effective a reduction in "rotating mass" becomes. I read an article from Tex Powell (Tex Racing) where he talks about what parts he likes to lighten to get the rotating weight vs. what parts are "cost effective to lighten". ...redvetracr
PS: To answer you about 1" will work
[Modified by redvetracr, 4:14 PM 6/26/2002]
Thread Starter
Burning Brakes
Joined: Jul 1999
Posts: 1,013
Likes: 0
From: Austin TX
Re: Aluminum Driveshaft (redvetracr)
Thanx for the info....decided to just shorten and balance it...our driveshafts are pretty short too compared to other cars.
It did find this guys website pretty interesting...he did many dynos of different parts:
http://www.ws6.com/mycar.htm
[Modified by StingrayRacing, 8:30 AM 6/27/2002]
It did find this guys website pretty interesting...he did many dynos of different parts:
http://www.ws6.com/mycar.htm
RichP,
On "paper" the 2.5lbs sounds like alot but you will never feel the difference, your wallet certainly will though!!. The closer to the centerline of the crankshaft the LESS effective a reduction in "rotating mass" becomes. I read an article from Tex Powell (Tex Racing) where he talks about what parts he likes to lighten to get the rotating weight vs. what parts are "cost effective to lighten". ...redvetracr
PS: To answer you about 1" will work
[Modified by redvetracr, 4:14 PM 6/26/2002]
On "paper" the 2.5lbs sounds like alot but you will never feel the difference, your wallet certainly will though!!. The closer to the centerline of the crankshaft the LESS effective a reduction in "rotating mass" becomes. I read an article from Tex Powell (Tex Racing) where he talks about what parts he likes to lighten to get the rotating weight vs. what parts are "cost effective to lighten". ...redvetracr
PS: To answer you about 1" will work
[Modified by redvetracr, 4:14 PM 6/26/2002]
[Modified by StingrayRacing, 8:30 AM 6/27/2002]
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Thread Starter
Burning Brakes
Joined: Jul 1999
Posts: 1,013
Likes: 0
From: Austin TX
Re: Aluminum Driveshaft (flynhi)
Can someone give me the approximate lenght of a driveshaft from a Turbo 400 Vette...just for kicks I want to call up and get a price on a carbon fiber one vs an aluminum one.
