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05-15-2014, 09:42 PM
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#1 |
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Registered User
Join Date: Feb 2012
Location: Morgantown, Wv
Posts: 294
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14bff swap question
Ok, guys this one is going to be a little goofy so sorry. I found a guy who is about to scrap a 3/4 ton Suburban. It has a 14bff with 3.42 gears. I want to put this in my 3/4 truck. I have a 14 bolt ff rear out of a 1 ton truck sitting in my yard from another truck. That I'm not using. He's cool with the swap as long as we can rig up the 1 ton axle to the Suburban. Just so he can load it on his trailer. Can it be done??
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87 V20, Vortec 350, Sm465, Np205, Dana 44, 14bff 4.10's |
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05-16-2014, 08:41 AM
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#2 |
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Registered User
Join Date: Dec 2010
Location: Pittsburgh, PA
Posts: 1,009
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Re: 14bff swap question
The spring perches are closer together on the 1-tons, so you'll need to cut them off and weld new ones on at the 1/2 and 3/4 ton spacing. Shock mounts may need relocated as well. Not a bolt in swap, but very do-able.
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Steve Member of the Foot Pedal Club '83 Chevy K20: 6" Rough Country, 3" Performance Accessories BL, Bushwacker Cutouts, 38x15.50 Mickey Thompson Baja Claws, 350 HP 350 crate engine from Jegs, Turbo 400 
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05-16-2014, 08:57 AM
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#3 |
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Registered User
Join Date: Feb 2012
Location: Morgantown, Wv
Posts: 294
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Re: 14bff swap question
yeah that's the reason I haven't put it under my truck yet. But since he wont be driving it. Just needs it to roll. So we can get it on the a trailer and up to the scrap yard. I was hoping I could cut the spring perches off and just bolt it in?
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87 V20, Vortec 350, Sm465, Np205, Dana 44, 14bff 4.10's |
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05-16-2014, 09:16 AM
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#4 |
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Registered User
Join Date: Dec 2010
Location: Pittsburgh, PA
Posts: 1,009
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Re: 14bff swap question
I cant picture how you would do that. Anyway, you're in Maysville? I'm on Camp Lejeune. I'm in Maysville all the time, if you would like me to swing by and take a look some time. I've been looking for somewhere local to find some old square body chevy's. I like my newer Ford, but I miss my old truck.
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Steve Member of the Foot Pedal Club '83 Chevy K20: 6" Rough Country, 3" Performance Accessories BL, Bushwacker Cutouts, 38x15.50 Mickey Thompson Baja Claws, 350 HP 350 crate engine from Jegs, Turbo 400
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05-16-2014, 10:18 AM
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#5 |
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Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: 14bff swap question
If it's going to the scrapper why not just weld the springs to the axle?
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When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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05-16-2014, 10:34 AM
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#6 |
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Registered User
Join Date: Feb 2012
Location: Morgantown, Wv
Posts: 294
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Re: 14bff swap question
good idea, but I don't have a welder.
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87 V20, Vortec 350, Sm465, Np205, Dana 44, 14bff 4.10's |
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05-16-2014, 10:53 AM
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#7 |
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Registered User
Join Date: Jul 2011
Location: WV
Posts: 946
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Re: 14bff swap question
Ratchet straps, chain & come a long. If its just to drag it up on a trailer, either would work.
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72 GMC C2500 402/Th400 first truck (still have) 77 GMC C3500 CC dually Sold  70 C50 dump truck "Rusty" 87 K10 Suburban Sold 93 K2500 xcab 6.5TD 96 GMC K2500 Suburban 6.5 TD |
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05-16-2014, 11:07 AM
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#8 |
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Registered User
 Join Date: Sep 2008
Location: NEW MILFORD NJ
Posts: 1,453
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Re: 14bff swap question
you don't need spring plates for this. just put the axle under the leafs in front of the pin and crank the u bolts tight. it will be fine done it a bunch of times. and if the spring hangers are far away enough that they r in the way just cut them off and bolt it on without them. then its off to the pancake maker
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05-16-2014, 11:53 AM
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#9 |
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Registered User
Join Date: Feb 2012
Location: Morgantown, Wv
Posts: 294
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Re: 14bff swap question
thanks that's what I was hoping for
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87 V20, Vortec 350, Sm465, Np205, Dana 44, 14bff 4.10's |
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