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Jeep Wrangler YJ
YJ Build Threads & Member's Rides
A YJ with an LS on Coilovers & Spidertrax Axles
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<blockquote data-quote="Fouledplugs" data-source="post: 425265" data-attributes="member: 18666"><p>I have always been drawn to the Ford 9 inch for a choice rearend in a Jeep for rock crawling. They can be built super strong and parts are everywhere for them, not to mention how much there is as far as aftermarket support goes. They have proven their strength in the drag racing world.</p><p></p><p>I also will be stretching the rear end as far back as possible, yet still retain the gas tank under the tub using a GenRight stretch tank.</p><p>A Ford 9 type housing gives me the most stretch possible as the measurement from axle centerline to the rear most portion of the differential housing is the shortest of any one ton, even the RockJock 60’s and 70’s.</p><p></p><p>I purchased a complete full width Ford 9 years ago from a pull it yourself and never did anything with it because of moving away. My intentions, even 10 years ago, was to build this Jeep into a one ton crawler one day.</p><p></p><p>I decided to ditch the junkyard Ford 9 that I have sitting in the garage and decided to build a much stronger rear axle setup. I wanted a ring and pinion to match a one ton front end. So I started looking at fabricated 9 inch housings that I could run a 10 inch ring gear in. A dana 60 one ton uses a 9.75 inch ring gear. The Super 60, found in 05 Ford Super duty, uses a 10 inch ring gear. The super 60 was actually designed off the highly desirable 78-79 Ford High Pinion axle.</p><p></p><p>I have no intention on ever selling this YJ, so going with an expensive, yet bulletproof rear axle to fit the LS engine was an easy choice . I highly doubt I will ever need to look for another rear axle from here on out.</p><p></p><p>I put in a custom order in with Spidertrax for a full width full floating axle. I chose their Pro Series 3.5 inch housing which uses 4130 chromoly heat treated axle tubes and their full float housing ends. The housing ends utilize a unit bearing instead of a spindle and has been proven in the Ultra4 world. Not to mention unit bearings are dead simple when it comes to maintenance, rebuilding, and repair</p><p>[URL unfurl="true"]http://www.spidertrax.com/Pro-Series-Housing[/URL]</p><p></p><p>I had Spidertrax weld the full float ends on, weld in the outboard seal seats, weld in a fill bung and cap, and finally the lower diff housing skids. Everything showed up a few days ago fully tig welded and it looks like a piece of artwork.</p><p>[ATTACH=full]115733[/ATTACH][ATTACH=full]115734[/ATTACH][ATTACH=full]115735[/ATTACH][ATTACH=full]115736[/ATTACH][ATTACH=full]115737[/ATTACH][ATTACH=full]115738[/ATTACH][ATTACH=full]115739[/ATTACH][ATTACH=full]115740[/ATTACH][ATTACH=full]115741[/ATTACH][ATTACH=full]115742[/ATTACH][ATTACH=full]115743[/ATTACH][ATTACH=full]115744[/ATTACH][ATTACH=full]115746[/ATTACH][ATTACH=full]115747[/ATTACH][ATTACH=full]115748[/ATTACH]</p></blockquote><p></p>
[QUOTE="Fouledplugs, post: 425265, member: 18666"] I have always been drawn to the Ford 9 inch for a choice rearend in a Jeep for rock crawling. They can be built super strong and parts are everywhere for them, not to mention how much there is as far as aftermarket support goes. They have proven their strength in the drag racing world. I also will be stretching the rear end as far back as possible, yet still retain the gas tank under the tub using a GenRight stretch tank. A Ford 9 type housing gives me the most stretch possible as the measurement from axle centerline to the rear most portion of the differential housing is the shortest of any one ton, even the RockJock 60’s and 70’s. I purchased a complete full width Ford 9 years ago from a pull it yourself and never did anything with it because of moving away. My intentions, even 10 years ago, was to build this Jeep into a one ton crawler one day. I decided to ditch the junkyard Ford 9 that I have sitting in the garage and decided to build a much stronger rear axle setup. I wanted a ring and pinion to match a one ton front end. So I started looking at fabricated 9 inch housings that I could run a 10 inch ring gear in. A dana 60 one ton uses a 9.75 inch ring gear. The Super 60, found in 05 Ford Super duty, uses a 10 inch ring gear. The super 60 was actually designed off the highly desirable 78-79 Ford High Pinion axle. I have no intention on ever selling this YJ, so going with an expensive, yet bulletproof rear axle to fit the LS engine was an easy choice . I highly doubt I will ever need to look for another rear axle from here on out. I put in a custom order in with Spidertrax for a full width full floating axle. I chose their Pro Series 3.5 inch housing which uses 4130 chromoly heat treated axle tubes and their full float housing ends. The housing ends utilize a unit bearing instead of a spindle and has been proven in the Ultra4 world. Not to mention unit bearings are dead simple when it comes to maintenance, rebuilding, and repair [URL unfurl="true"]http://www.spidertrax.com/Pro-Series-Housing[/URL] I had Spidertrax weld the full float ends on, weld in the outboard seal seats, weld in a fill bung and cap, and finally the lower diff housing skids. Everything showed up a few days ago fully tig welded and it looks like a piece of artwork. [ATTACH type="full" alt="E149507D-0D6F-49A6-8578-399730F00AD3.jpeg"]115733[/ATTACH][ATTACH type="full" alt="759D2DBC-4D60-4811-AD52-14969CB26159.jpeg"]115734[/ATTACH][ATTACH type="full" alt="2577ECC1-77F2-4BA3-A6C5-7D1EFA80F60C.jpeg"]115735[/ATTACH][ATTACH type="full" alt="F5CE5A8E-7DD3-44D9-BD47-05868E9CBDF6.jpeg"]115736[/ATTACH][ATTACH type="full" alt="2C30C42E-56AE-41CA-9B75-EA953B081FF7.jpeg"]115737[/ATTACH][ATTACH type="full" alt="AF8AAA61-85A0-4B97-8092-AC25D2E5CAAD.jpeg"]115738[/ATTACH][ATTACH type="full" alt="0887D930-88DD-4B72-946D-EED9F23331A9.jpeg"]115739[/ATTACH][ATTACH type="full" alt="D049182B-9402-4FF6-82AC-02AAA757CCEE.jpeg"]115740[/ATTACH][ATTACH type="full" alt="5483F6C9-FE86-4CBF-83AA-DAF903BF1CA2.jpeg"]115741[/ATTACH][ATTACH type="full" alt="A27B4258-8A5A-493A-8BAA-F082FDA12BDC.jpeg"]115742[/ATTACH][ATTACH type="full" alt="8AD18430-0A16-43AF-8C6A-3C165A9B2142.jpeg"]115743[/ATTACH][ATTACH type="full" alt="5750D7FE-F8E4-4A36-9835-EF27B7C886A8.jpeg"]115744[/ATTACH][ATTACH type="full" alt="102F52D1-D087-43E9-83A0-9CFC80B8E7B8.jpeg"]115746[/ATTACH][ATTACH type="full" alt="18E3668B-B4CB-41E4-B7F1-5523057ABEFE.jpeg"]115747[/ATTACH][ATTACH type="full" alt="EB79408E-353D-43BC-9B14-8E9FF84576C5.jpeg"]115748[/ATTACH] [/QUOTE]
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Jeep Wrangler YJ
YJ Build Threads & Member's Rides
A YJ with an LS on Coilovers & Spidertrax Axles
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