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05-26-2013, 05:19 PM
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#1 |
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Registered User
Join Date: Apr 2013
Location: Portland, OR
Posts: 38
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Which conversion U-Joint for 10 to 14 conversion?
Gathering parts for my axle swap. Can someone advise what U-Joint I'm going to need for my 1970 3/4 ton that currently has a 10 bolt? Going to 14 bolt. I'm thinking 1310-1350 conversion but I'd love advise from someone who has done it on the same truck. I've read a ton of different opinions but I'm looking for info from someone who knows for sure. Thanks!
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05-27-2013, 02:20 PM
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#2 |
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Registered User
 
Join Date: Jan 2007
Location: Central Coast California
Posts: 1,026
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Re: Which conversion U-Joint for 10 to 14 conversion?
A Dana 60 10 bolt? An Eaton/Corp 10 bolt? or a 1/2 ton 10 bolt converted into your 3/4ton?
More than likely you will only need a 1350/1350 u-joint. I suppose the one you have in there may work. However, your drive line length may be more the issue....
__________________
1972 K20 Suburban 5.7/700r4/NP205 Dana 44/H052 Sold  1972 C10 5.3L/4L60E 12bolt 5Lug - Sold 1971 K5 Blazer 6.0L LQ9 4L60E NP205 Dana 44/H052!!!  1970 K3500 1ton CrewCab 8.1L/Allison1000/NP205 Dana 60/14B!!!! - Sold 1984 K10 SWB 7.4L/4L80e/NP208 Corp 10/12 bolt Sold 1988 V30 CCLB 7.4L/TH400/NP205/Dana 60/Dana 70/3.73!!! (Sold) 2003 K2500HD 8.1/Allison1000/NP263
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05-27-2013, 03:26 PM
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#3 |
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Registered User
Join Date: Apr 2013
Location: Portland, OR
Posts: 38
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Re: Which conversion U-Joint for 10 to 14 conversion?
The original corporate 10 bolt.
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05-28-2013, 04:58 PM
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#4 |
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Registered User
Join Date: Aug 2010
Location: commerce ga
Posts: 894
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Re: Which conversion U-Joint for 10 to 14 conversion?
Spicer 5-460X
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05-30-2013, 03:59 PM
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#5 |
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Registered User
Join Date: Feb 2007
Location: Star Valley, WY
Posts: 2,038
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Re: Which conversion U-Joint for 10 to 14 conversion?
The FF14bolt pinion is about 3" longer than the Cop 10bolt. you will probably have to have the drive shaft shortened. If so, you might as well have the upgraded 1350 yoke installed at that time.
__________________
Steve 1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's |
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06-02-2013, 11:02 PM
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#6 |
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Registered User
Join Date: Apr 2013
Location: Portland, OR
Posts: 38
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Re: Which conversion U-Joint for 10 to 14 conversion?
Got her done today. U-Joint stayed the same. The yoke was about 1.5" longer, but it sat in there just fine. Needed straps instead of the U-bolts. Those were a bear to find. Ended up getting some out of someone's drawer after two trips to NAPA. Long day, but she's in.
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