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03-30-2006, 06:47 PM
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#1 |
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Registered User
Join Date: Dec 2005
Location: tenn.
Posts: 84
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Driveshaft Question
A friend has a 70 lwb. He is putting a 700r4 tranny in. Can he switch to a one piece driveshaft? Remove the joint in the middle? Thanks
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03-30-2006, 07:22 PM
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#2 |
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Registered User
 
Join Date: Feb 2004
Location: Idaho
Posts: 4,033
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Re: Driveshaft Question
Now is the best time to do so, BTW is this a 1/2 ton or a 3/4 ton?
__________________
"Remember, They can Kill You, but they can't eat You, That's against the law!!!!!!!!!" |
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03-30-2006, 10:35 PM
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#3 |
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Registered User
Join Date: Jan 2006
Location: Houston
Posts: 434
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Re: Driveshaft Question
I think it depends on the rearend gears. May get vibration with a 3:08 and a 700r. Of course this isn't the perfect combination so if rear gears are 3:73 or 4:10 don't think a one piece is an issue.
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03-31-2006, 04:08 PM
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#4 |
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Registered User
Join Date: Dec 2004
Location: Arvada Colorado
Posts: 1,321
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Re: Driveshaft Question
I have TH350 with a Gear Vendors overdrive unit and converted mine to a 1 piece driveshaft. I also have 3:08 gears. It's a shortbed. No problems at all. Just make sure a good driveshaft shop makes the shaft for you.
I had a longbed with a 1 piece driveshaft and a muncie m21 transmission. Never could get rid of the vibration...sold the truck because of it.
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Larry 1949 Willys CJ2A, Kubota Turbo Diesel engine, Warn Overdrive, 11 inch brakes, 12volt, Warn M8000 Winch "Little Green" 1970 Rustoleum Roller Red C20 Custom Camper 454 TH400 "Big Red" 1971 K20 6.2 Turbo Diesel 4x4 4spd Ranger Overdrive "Pumpkin Wagon" 2005 VW Beetle Diesel 44+ MPG "Silver Bullet" |
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03-31-2006, 04:17 PM
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#5 |
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Back in the sticks
Join Date: Jan 2001
Location: Fordland, MO
Posts: 3,188
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Re: Driveshaft Question
I went to a 1 piece on the 71. Works fine, except for where the shaft goes thru the center frame brace. On big bumps, it will hit the brace. You will want to grind off the carrier bearing mount too, or you will be hitting that as well. Jeff.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection 1969 K5 Blazer w/Tuned Port 2010 2SS/RS Flaming Orange Camaro 2011 K1500 Suburban 2014 K1500 Pickup 2008 Nissan Altima? The wifes' hoopty |
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03-31-2006, 05:42 PM
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#6 |
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Registered User
Join Date: Dec 2005
Location: tenn.
Posts: 84
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Re: Driveshaft Question
Truck has 3:08 gears. He is worried about it rubbing on the trailing arms. I think it will be fine. Why the vibration? Would that be the result of an unbalanced shaft?
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