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What driveshaft is 64.5 inches or bigger?

Old 06-29-2013, 12:08 AM
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Default What driveshaft is 64.5 inches or bigger?

Hello all,

I'm looking for a one piece drive shaft that would be 64.5" or longer. I could have it cut down, but if it were the right size that would be great.

Can aluminum driveshafts be cut down as easily by a driveshaft shop as a steel driveshaft?

Thanks,
Brandon
Old 06-29-2013, 02:48 AM
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Find the flange and yoke you need and just have a shaft made.
Old 06-29-2013, 04:24 AM
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You can order any length you want from these guys with correct u joints and yokes.
http://southwestspeed.com/?sec=view_...ub=Driveshafts
Old 06-29-2013, 07:59 AM
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There's plenty of drive shaft shops around. I had mine made it cost me $175.00 with me bringing in a old one so they could use the yokes from it. Balanced and ready to go, they gave me a bit of a deal on 2 new u-joints also. So wouldn't have to worry about it for awhile. Search the net and find one close to help on shipping costs.
Old 06-29-2013, 09:00 AM
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that's getting to be a long shaft.

watch out for one 2 long as it will vibrate at highway speeds .

there is limits to length per tube size and thickness.
Old 06-29-2013, 09:33 AM
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Originally Posted by Vetteman61
Hello all,

I'm looking for a one piece drive shaft that would be 64.5" or longer. I could have it cut down, but if it were the right size that would be great.

Can aluminum driveshafts be cut down as easily by a driveshaft shop as a steel driveshaft?

Thanks,
Brandon
Brandon,

With a driveshaft that long, you really need to watch out for critical speed. Here is a chart from Mark Williams:

http://www.markwilliams.com/driveshafttech.aspx

I suggest that you find an alternative two piece design. If cost is a factor, look into using something from a CTSv and having it modified for your application. The DriveShaft shop can also build you a complete 2 piece shaft to your specs.

Andrew
Old 06-29-2013, 10:00 PM
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This is just for a stock daily driver application. It's for a vehicle I'm building that my wife will be driving. It's a 71 Pontiac and will be a family car, so high speed isn't critical. I know some trucks have longer drive shafts, but I just don't know what kinds. I'd like to just be able to find a used shaft from a junk yard for cheap, but don't know what to look for.


Brandon
Old 06-30-2013, 07:12 AM
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Check out some of the truck forums. I know I've seen discussions on changing from 2 piece to 1 piece driveshafts.
Old 06-30-2013, 09:50 AM
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The new dura max has a long single piece, but it's 4" diameter.
Old 06-30-2013, 04:10 PM
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Thanks guys, I'll check out the truck forums.


Brandon


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