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Old 05-23-2005, 01:34 PM   #1
mhicks
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Length of Driveshaft?

Going to install a new 350 in a '73 short stepside with a 700r4. Does anyone know the length of driveshaft I will need? Would be nice to have it made before I start the process.
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Old 05-23-2005, 01:59 PM   #2
hotrodhomi
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some shops measure the length diffrently. Its best to call the shop you plan to use and ask how they measure it. You don't want to order the wrong size.
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Old 05-23-2005, 06:50 PM   #3
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I went from a TH350 to a 700R4. I did not need my driveshaft legnth modified. As long as the 350 has the 9" tailshaft, I am pretty sure the legnth should be close enough (3/4" shorter than a 700R4 I believe)
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Old 05-23-2005, 10:16 PM   #4
bigarmzz
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i had a drive shaft made last winter for another truck project of mine....the machine shop here that makes custom drive shafts measures from center of rear u-joint to center of front u-joint to determine the length they need.
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Old 05-24-2005, 01:09 AM   #5
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I hear you also slide the yoke into the trans all the way, and pull it out one inch (with the truck resting on the suspension).
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Old 05-24-2005, 09:11 AM   #6
fade94
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68 short bed driver (71 clip on it now, swapping to 68 when weather cooperates)
67 short step project (will get SWB from the 68)
67 Camaro, #'s matching (my wife's)
03 Dodge Ram 2500 4x4 diesel 5 speed 4.10 rear
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Old 05-24-2005, 09:13 AM   #7
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I have drive shafts for both short and long tail. Sent you a PM.
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68 short bed driver (71 clip on it now, swapping to 68 when weather cooperates)
67 short step project (will get SWB from the 68)
67 Camaro, #'s matching (my wife's)
03 Dodge Ram 2500 4x4 diesel 5 speed 4.10 rear
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Old 06-01-2005, 01:50 AM   #8
jimfulco
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A Turbo 350 with the 9" tailshaft housing (used in '73-up Chevy LWB trucks & Suburbans, maybe some SWB's too) is the same length as a 700-R4. Except if the 700 came from a Corvette.
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