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10-04-2011, 09:59 PM
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#1 |
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Registered User
Join Date: Dec 2009
Location: Gap PA
Posts: 280
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Stock suspension flexed out
Mind you it's the heavy duty option... Had it not been for the welded rear, it would NOT have gotten that high up on the embankment.
 
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1991 Mustang GT Vert, T-5 w/ Pro 5.0, Trick Flow upper & lower, BBK cold air intake, 3:73, BAMA chip, etc. 1988 K5 Blazer, [coming soon] TBI 400, SM465/NP208, 12 bolt rear, 3:08's, looks like a 1980. 1998 Jeep Grand Cherokee 4.0 fully loaded daily driver! Where there's a will, there's a rig! |
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10-05-2011, 11:37 AM
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#2 |
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Happy to be here
 
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,021
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Re: Stock susepension flexed out
Explain "welded rear"?
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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10-05-2011, 11:57 AM
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#3 |
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Registered User
Join Date: Dec 2010
Location: Pittsburgh, PA
Posts: 1,009
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Re: Stock susepension flexed out
I think he meant the spider gears are welded together. Basically a poor man's locker. Some people call it "Lincoln Locked," due to the Lincoln brand of welders.
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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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10-05-2011, 12:07 PM
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#4 |
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Happy to be here
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,021
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Re: Stock susepension flexed out
Thats what I thought, but didn't want to assume. Not a good choice in my opinion.
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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10-05-2011, 01:27 PM
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#5 |
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Registered User
Join Date: Dec 2010
Location: Pittsburgh, PA
Posts: 1,009
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Re: Stock suspension flexed out
I've never really heard of problems coming from it other than the natural downfalls of a locker. As long as it's properly welded up, it should work fine. Lots of off-roaders do it on mud trucks and such and run huge tires, with nothing but good results. I'm with you though, I'm still not going to do it. It's a chance I don't want to take.
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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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10-05-2011, 10:25 PM
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#6 |
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Registered User
Join Date: Dec 2009
Location: Gap PA
Posts: 280
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Re: Stock suspension flexed out
Honestly, I was in a fix and had no choice. My 12 bolt was going in my Blazer because of the SAME reason from an IDENTICAL rear. 10-bolt 3:08 GovLoc. They both blew the same week.
I'm on a slow hunt for a 14-bolt 9.5" for the GMC though
__________________
1991 Mustang GT Vert, T-5 w/ Pro 5.0, Trick Flow upper & lower, BBK cold air intake, 3:73, BAMA chip, etc. 1988 K5 Blazer, [coming soon] TBI 400, SM465/NP208, 12 bolt rear, 3:08's, looks like a 1980. 1998 Jeep Grand Cherokee 4.0 fully loaded daily driver! Where there's a will, there's a rig! |
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10-05-2011, 10:28 PM
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#7 | |
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Registered User
Join Date: Dec 2009
Location: Gap PA
Posts: 280
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Re: Stock suspension flexed out
Quote:
__________________
1991 Mustang GT Vert, T-5 w/ Pro 5.0, Trick Flow upper & lower, BBK cold air intake, 3:73, BAMA chip, etc. 1988 K5 Blazer, [coming soon] TBI 400, SM465/NP208, 12 bolt rear, 3:08's, looks like a 1980. 1998 Jeep Grand Cherokee 4.0 fully loaded daily driver! Where there's a will, there's a rig! |
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10-06-2011, 11:19 AM
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#8 |
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Happy to be here
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,021
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Re: Stock suspension flexed out
I had a buddy that did it on a 2wd "pre-runner" style truck years ago. He fragged the gears on a trail, and had to be rescued in the middle of nowhere. We pulled it down once back in the shop and it was clear the welds created weak points. Since then I have felt its better to do it right than weld the spiders.
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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10-06-2011, 02:46 PM
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#9 |
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Senior Member
Join Date: May 2004
Location: Caldwell,Tx.
Posts: 3,648
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Re: Stock suspension flexed out
I installed a mini spool in the rear we built for my brother-in-law 2 weeks ago. Looks like a nice cheap alternative and there are no created weak points.
Frank
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Born and proudly residing in a Red State ! |
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10-06-2011, 04:09 PM
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#10 |
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Registered User
Join Date: Aug 2010
Location: New Hamburg, Ontario
Posts: 220
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Re: Stock suspension flexed out
#1. Lincoln welders kick ass
#2. Driving at any speeds and your rear end breaks and locks up can result in some serious injury. |
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10-06-2011, 07:42 PM
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#11 |
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Registered User
Join Date: May 2010
Location: laurel hill Fl
Posts: 645
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Re: Stock suspension flexed out
I could really only see failure if someone cool it quickly by putting it in water or pouring oil over the top of it. other than that it should be reliable.
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1985 C10 Custom Deluxe LWB 305/700r4 [ Goldfinger ]  1999 k3500 crew cab dually 6.5tdi/4l80e |
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10-06-2011, 09:42 PM
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#12 |
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Registered User
Join Date: Aug 2010
Location: New Hamburg, Ontario
Posts: 220
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Re: Stock suspension flexed out
it wont be reliable. you cannot weld or put excess heat into machined/heat treated steel and or any type of alloy. it will cause the metal to break down and crack.
think of a big ice block sitting on a table. quickly take a heat gun to it and you will see the ice block crack. same thing with treated steel. |
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10-06-2011, 09:58 PM
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#13 |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: Stock suspension flexed out
getting it home is one thing ,relying on it isn't a good idea
some PO of my 88 burb welded the rear and bits were a floatin ,worked for a while tho didn't know when i bought it tho,wouldn't think to check that cost me bout 1200 to get rebuilt
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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10-07-2011, 09:44 AM
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#14 |
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Registered User
Join Date: Jun 2011
Location: LaFayette GA
Posts: 111
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Re: Stock suspension flexed out
What tazman87 said in spades! The manufacturing sequence on anything made of steel is: cut (shape), weld, machine, heat-treat. You can't weld anything that has been machined and expect it to hold it's shape, much less the strength.
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10-07-2011, 12:53 PM
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#15 |
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Registered User
Join Date: Aug 2010
Location: New Hamburg, Ontario
Posts: 220
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Re: Stock suspension flexed out
had a buddy of mine blow his rear end ONLY because it was slowing going on him, not because he welded the diff...but when you wrap the car around a pole and nearly hitting on coming traffic..life is at stake.
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10-07-2011, 05:14 PM
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#16 |
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Registered User
Join Date: Dec 2009
Location: Gap PA
Posts: 280
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Re: Stock suspension flexed out
It's only a temporary fix really, It'll definately be swapped out before I put my 465/208 in it.
__________________
1991 Mustang GT Vert, T-5 w/ Pro 5.0, Trick Flow upper & lower, BBK cold air intake, 3:73, BAMA chip, etc. 1988 K5 Blazer, [coming soon] TBI 400, SM465/NP208, 12 bolt rear, 3:08's, looks like a 1980. 1998 Jeep Grand Cherokee 4.0 fully loaded daily driver! Where there's a will, there's a rig! |
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10-07-2011, 08:34 PM
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#17 |
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Registered User
Join Date: Aug 2010
Location: New Hamburg, Ontario
Posts: 220
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Re: Stock suspension flexed out
lol oh i know bud. if i ever get chances to explain it i will
..=) |
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