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10-07-2008, 05:35 PM
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#1 |
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Registered User
Join Date: Oct 2006
Location: Oakridge Oregon
Posts: 1,865
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1 Pc SWB drive shaft
I have a 68 with a small block th350 trans.
What lenght did the drive shafts come in - dependant on the trans tail shafts?
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68 CST SWB - Gold/White 50th anniversary /TH350/Buddy Buckets/3.73 Posi/dogdish caps. 68 K10 Burb - Gold/White 327/SM465/NP205/3.73 "Daa Burb" build thread Last edited by Mt Man Chad; 10-07-2008 at 05:36 PM. |
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10-07-2008, 08:11 PM
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#2 |
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Senior Member
Join Date: Aug 2006
Location: Minnesota
Posts: 943
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Re: 1 Pc SWB drive shaft
From what I understand the short tailshaft th350 with a smallblock should be 59" ish center to center of the u-joints.
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10-07-2008, 09:09 PM
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#3 |
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fugedaboutit
 
Join Date: Mar 2005
Location: Gresham, OR
Posts: 832
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Re: 1 Pc SWB drive shaft
Is they the same length as a th400? If so mine was 58 1/4"
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Currently truckless 
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10-08-2008, 02:23 PM
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#4 |
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Registered User
Join Date: Oct 2006
Location: Oakridge Oregon
Posts: 1,865
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Re: 1 Pc SWB drive shaft
Thanks guys!!
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68 CST SWB - Gold/White 50th anniversary /TH350/Buddy Buckets/3.73 Posi/dogdish caps. 68 K10 Burb - Gold/White 327/SM465/NP205/3.73 "Daa Burb" build thread |
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10-08-2008, 02:44 PM
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#5 |
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Old Skool Club
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: 1 Pc SWB drive shaft
BUT!....to be sure, measure from the center of the u-joint of the drive axle, to the center of the u-joint, where it should be when the yoke is in the proper position in the tailshaft of the transmission. Do this with weight on the vehicle, not while the rear end is hanging in the air.
The measurement you get is the length you should be looking for. You don't want the movement of the rear axle ass'y to cause the driveshaft to be pulled out of the tailshaft, nor do you want the driveshaft to be too long and have the end of the yoke, ahead of the u-joint, banging into the end of the transmission tailshaft housing.
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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10-08-2008, 05:45 PM
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#6 |
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Senior Member
Join Date: Aug 2006
Location: Minnesota
Posts: 943
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Re: 1 Pc SWB drive shaft
If you have the trans yoke slide it all the way in the trans and then slide it out 3/4-1" then take the measurement. Like the previous post said make sure it is on its own weight on the ground.
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10-08-2008, 07:39 PM
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#7 |
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Registered User
Join Date: Oct 2008
Location: Taylor, TX
Posts: 95
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Re: 1 Pc SWB drive shaft
Wherever you have you shaft made should have there own standard form of measurment, some have wanted the distance from the tailshaft seal face to the bottom of the u-joint mount on the diff, others from yoke to yoke. I would just ask the shop what measurment they want. If they know what they are doing they will know where to add or subtract length due to rear end movent etc. etc.
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