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#1 |
Senior Member
Join Date: Jun 2002
Location: Augusta Missouri
Posts: 804
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4WD 3/4 ton axles in a 1/2 ton ?
I have a 72 Jimmy 4WD that I would like to put lower gears in, anyway I found a set of 3/4 ton 410 gears 86 Chevy axles. I would like to keep my six lug pattern, what are my options? Can I use these with different axles? or maybe cut them and weld on my hubs? Any ideas? Or should I just wait until I find some 1/2 ton axles? Thanks
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#2 |
SWB 4x4 Collector
![]() Join Date: Jun 2001
Location: Osage City, KS
Posts: 5,153
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Re: 4WD 3/4 ton axles in a 1/2 ton ?
If it was dana 44 frt. it would swap parts real easy, but being an 86', I bet it is a 10 bolt. Trevor
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TREVOR ![]() ![]() ![]() ![]() ![]() http://67-72chevytrucks.com/vboard/s...d.php?t=624819 ![]() ![]() :2004 Jeep Wrangler Rubicon (daily driver) WTB: 1968-70 Cruise Control Lever |
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#3 |
Senior Member
Join Date: Jun 2002
Location: Augusta Missouri
Posts: 804
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Re: 4WD 3/4 ton axles in a 1/2 ton ?
What do you mean swap parts? the axles interchange? with different bearings?
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#4 |
SWB 4x4 Collector
![]() Join Date: Jun 2001
Location: Osage City, KS
Posts: 5,153
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Re: 4WD 3/4 ton axles in a 1/2 ton ?
I was always under the impression that the Dana 44 1/2 ton and 3/4 ton were the same axles. The 1/2 ton hubs and backing plates I would think would go onto a 3/4 ton Dana 44. Since those axles you found are out of a 1986, they should be a 10 bolt front, which is a different axle altogether. Up til about 78 or 79 they got rid of Dana 44 3/4 ton front ends and started putting Corporate 10 bolts in trucks. Trevor
__________________
TREVOR ![]() ![]() ![]() ![]() ![]() http://67-72chevytrucks.com/vboard/s...d.php?t=624819 ![]() ![]() :2004 Jeep Wrangler Rubicon (daily driver) WTB: 1968-70 Cruise Control Lever |
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#5 |
Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,720
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Re: 4WD 3/4 ton axles in a 1/2 ton ?
He means the entire assembly from hub to hub swapped in. On the rear you need to re-weld the spring perches and swap the 86 parking brake cables for the 72. I did this exact swap on my Jimmy. I highly recommend this as I was hell on 12 bolts.
If you want to keep your 6 lug axles as you mention, you have no choice. The front will be a 10 bolt and gears are not compatible with your Dana 44 and the rear will either be a semi-floating 14 bolt or full-floating 14 and once again, not compatible with your 12 bolt. Do the swap and buy new wheels and tires. WAY cheaper/easier than paying for gear setup.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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#6 |
Senior Member
Join Date: Jun 2002
Location: Augusta Missouri
Posts: 804
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Re: 4WD 3/4 ton axles in a 1/2 ton ?
So, if I found some 3/4 ton hub to hub axles that were from a late 70's truck or earlier I could use the 1/2 ton axles to slip in and keep my six lug? I understand that I could switch complete assemblies from the 86 but would prefer to keep my 6 lug Ralley wheel set up, even though the 3/4 ton is cheaper. thanks for the help guys
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