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#1 |
Registered User
Join Date: Jun 2010
Location: Caledonia Ohio
Posts: 49
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need help with drive shaft???
I want to go with a 1 piece shaft. I have a 69 GMC swb with 350 an S-10 T-5 and a 12 bolt rearend dose anyone know wht I can get a shaft off of that will fit. Its approximately 59 in from trans to axle I haven't had time to go hunt and measure anything. Any help to get me in the rite direction would help a lot.
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#2 |
Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,134
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Re: need help with drive shaft???
59" is maybe to long for a single piece shaft depending on the diameter.
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#3 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: need help with drive shaft???
i'd suggest for best results to go into a local driveshaft shop and talk to them
__________________
71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#4 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: need help with drive shaft???
6 feet is the magic number that should not be exceeded by the typical driveshaft shop. Once they get longer than that, (72 inches) they start whipping and causing problems. Your 59 inches is very doable.
You need to measure center of U-joint cap, to canter of u-joint cap, with the slip yoke at 50% in, and the suspention loaded to normal ride height. That is the correct way to get the length. |
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#5 |
Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,134
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Re: need help with drive shaft???
You can run a 10 foot shaft if you want but you need a 6 inch diameter shaft to do it. 59 inches is at the edge of a safe shaft at the stock diameter. This is what I was told by Denny at Denny's driveshaft who made my 59 inch shaft. Its 4 inches in diameter. You will also have to machine the slip yoke so it doesn't slide in against the bolt on yoke stop.
read this to make an informed decision http://www.rodandcustommagazine.com/...ech/index.html and this by Dana, look in the shaft length section on page 18 http://www2.dana.com/pdf/J3311-1-HVTSS.PDF Remember the trans in drive turns the drive shaft at engine speed and faster than engine speed in OD then call a drive shaft shop. But to answer your question I don't think you will find a bolt in shaft that length out of a pickup |
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#6 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: need help with drive shaft???
I just picked up a driveshaft from a 97 Chevy pickup that is 59 3/8" long as measured from center of trunion to center of trunion. I installled it on my son's 69 SWB and the fit is great!
Jim
__________________
1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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#7 |
Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,134
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Re: need help with drive shaft???
There you go,, what trans do you have in it? What diameter is it?
Last edited by dwcsr; 07-11-2010 at 07:59 PM. |
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#8 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: need help with drive shaft???
Dave,
The drive shaft is 3 1/2" and the transmission is a 2004R which uses the same driveshaft as a TH 350. Jim
__________________
1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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#9 |
Registered User
Join Date: Jun 2007
Location: metropolis il
Posts: 91
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Re: need help with drive shaft???
Actually just picked one up from pullapart today for my bb,th400 swb. The one I picked up is 59 3/4 from end to end, (not counting yoke, just the driveshaft). It came out of a mid 80's 4dr caprice. Now just need to figure out my u-joints.
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#10 |
Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: need help with drive shaft???
My T-5 swap needed a shaft about 58" center to center. I had no trouble finding one at my friendly local salvage yard, but I don't know what it came out of. My suggestion: don't pay to have one made until you see what you can find first.
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#11 | |
Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,134
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Re: need help with drive shaft???
Quote:
Thanks, thats good to know. We have plenty of junk chevy trucks here. It would save a few hundred not having to make a shaft for a street swap. Did you run into any problems with the rear housing being offset? The shaft to close to the center cross member? |
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