Driveshaft?

[68_stanger]

I want to replace the old stock driveshaft, the one with the rubber insert deal. anyways, the car is going to mainly be driven on the street but will see its share of dragstrips which means hard lauches. I do have a DS safety loop on it but my main question is should I go with steel or alum.? Any good place to order one, or should i just get one made locally? Whats your opinion. Thanks

 

[nds03]

what is a rubber insert deal?

 

[68_stanger]

It is my understanding that they used a 2 peice DS that is held together by a rubber hub. They did this to help reduce vibration, where 40 years later they are causing vibration. That is my understanding on these driveshafts.

 

[bnickel]

there are actually 2 shafts, one smaller one and one bigger one and there is a rubber damper in the middle, they are commonly referred to as a tube within a tube driveshaft. they suck and they can't be rebalanced at all. they were probably great when they were new however.

as far as what kind to get, that really depends on how much you want to spend. aluminum shafts are usually much more expensive but sometimes you can get them for only a hundred bucks or so more than a steel shaft. if you can afford it and don't mind spending the money i'd go with the aluminum shaft

 

[mustangdave]

The driveshaft is one piece with no rubber; you mat be thinking of the harmonic balancer. If you go with aluminum it will have to be much larger to withstand the dragstrip launches. I'v heard that Inland Empire is a great place to get a driveshaft of any type and they offer a warranty.

 

[bnickel]

The driveshaft is one piece with no rubber; you mat be thinking of the harmonic balancer. If you go with aluminum it will have to be much larger to withstand the dragstrip launches. I'v heard that Inland Empire is a great place to get a driveshaft of any type and they offer a warranty.

wrong my car had the 2 piece shaft, it is sort of like a harmonic balancer in the way it is supposed to work. not all stangs came with them, but as far as i know it was mostly the big block cars that didn't have them. my 70 cougar also had the same style shaft.

 

[mustangdave]

Well bricknell, I learn something new everyday whether I want to or not. I never knew this; can it be seen by looking at the end of the driveshaft or is it welded shut? I'm surprised they don't all get hard and fly apart after 40 years being near the exhaust heat.

 

[bnickel]

you can see it at the differnetial endof the shaft, you'll have to look pretty close to see it since the rubber and the stel are usually about the same color after so many years on the road, they are also usually a little smaller in diameter, 2.5" i think. the new one i had made for my car uses a 3" tube.

 

[HistoricMustang]

Interesting, I also did not know that.

HistoricMustang
www.historicmustang.com

 

[Darkhorse845]

Get an alumium driveshaft and a driveshaft loop!

 

[68_stanger]

I have a Driveshaft loop allready, so is the concensous to go with a aluminum one? it'll hold up fine?

 

[67coupe351w]

I Also had the 2 peice drive shaft. The driveline shop that built me my new driveline told me it was done to cushin take offs, the driveline would rotate in itself a little to reduce a jerky takeoff from a stop.