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03-07-2013, 12:26 PM | #1 |
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Join Date: Oct 2012
Location: clarksville tennessee
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lwb 1 piece driveshaft
Is anyone running a 1 piece driveshaft in a long wheel base. If do who made it or where can I get one, also what if any alterations were made to the center cross member?
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03-07-2013, 12:36 PM | #2 |
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Join Date: Mar 2007
Location: Hideaway, TX
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Re: lwb 1 piece driveshaft
I ran one on my old 69. Just removed the carrier bearing and replaced with a one piece custom made for under $200 with new ujoints.
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 |
03-07-2013, 12:40 PM | #3 |
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Re: lwb 1 piece driveshaft
I figured someone had done it, my truck is lowered 3/5 so I wasn't sure if the carrier bearing removal would give enough clearance. Do you know the diameter of your driveshaft?
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03-07-2013, 12:50 PM | #4 |
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Re: lwb 1 piece driveshaft
Don't remeber but thinking back I ran a one piece on two LWB trucks. The driveshaft shop will know what diameter you need.
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 |
03-07-2013, 01:45 PM | #5 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
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Re: lwb 1 piece driveshaft
I've made quite a few, tubing diameter is 3.5" no mods required. Reusing your old trans yoke will save you some money.
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
03-07-2013, 03:46 PM | #6 |
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Join Date: Oct 2012
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Re: lwb 1 piece driveshaft
Wouldn't the smaller ujoint on the back of the trans yoke be really weak compared to the rest of the drive shaft due to its small diameter?
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03-07-2013, 08:06 PM | #7 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: lwb 1 piece driveshaft
Ujoint might break if you have slicks and a trans brake and are pushing 500+ hp.
Driveshaft will fail at high speeds 120mph+ due to the diameter limiting crossmember. So is one stronger than the other? Who knows.. Id imagine if you had infinite power and traction and slowly applied torque you might be able to twist the tube, but not a real world scenario. We build stock car shafts 500hp with the same kind of pieces that our 2 piece drivelines are made of. 2x.083 dom tubing with 1310 joints and we drill a 1.5" hole in the center of the weld yokes to lighten them up a bit. I have never seen one fail that wasn't hit with something during a wreck. We even use hollow cross greaseable ujoints. For a normal street/strip/towing truck use some good spicer life (5-1310) ujoints and have a professional build your shaft and forget about it. Its good enough for my truck. Posted via Mobile Device Posted via Mobile Device
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
03-07-2013, 08:39 PM | #8 | |
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Re: lwb 1 piece driveshaft
Quote:
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My build thread - Devastation and Reform http://67-72chevytrucks.com/vboard/s...d.php?t=567131 |
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03-07-2013, 08:51 PM | #9 | |
the boat guy
Join Date: Jul 2007
Location: springfield mo
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Re: lwb 1 piece driveshaft
Quote:
Here's video of last years blindfold race from the all truck nationals. And to the lady who was upset that I sat and reved my engine, time doesn't start till you move . We got 2nd place first year Posted via Mobile Device
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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