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  1. #31
    Super Swamper
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    What type of halfshafts would you use?
    06 H3, Birch White, Lux , Cooper AT3 35s, Borla Performance Cat-back, Bilsteins front w/ 1/2" extended stops, Hunner sleeve, Air Doc w/ K&N filter, Oem Roof lights, 55W HID Headlights and 35W Fog lights.

    09 H3 V8, LS376/480 Conversion, 3000 stall, Arctic Silver, 35s, XD Rockstar Wheels 17x8 Front 17x9 Rear, OEM Sliders, 40K External Trans Cooler, Bilstein 5160s front 5100 rear, O.D. Steering Bracket, Daystar 1" Body Lift, Borla Performance Cat-Back, custom intake pipe & K&N filter, Custom PCM tune, Pioneer DVD unit, Aurora 40" LED Light Bar, 50 W HID Headlights

  2. #32
    Baja
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    Quote Originally Posted by JPaul View Post
    So I'd assume then that one would want to upgrade the rear as well to something like the GM 14 bolt or the Dana 60? Unfortunately my upgrade monies have dried up (needed this to be out last year!) so it's going to be a while for me to redo the axles again (but at least I'll be able to offset the cost a little by selling my old kit). But this is definitely something I am interested in. As great as SOA would be, I'd love to keep the road manners of an IFS and just beef it up to handle 35's and a tuned up V8 better. I'm somewhat scared (I'll admit it!) of going to 35's just because I don't want to snap things to bits because of the torque of the V8 combined with the 4:1.
    You can break anything if you try. I cant believe you haven't gone to 35s yet! On several of our personal H3s over the years the first thing we did was go to 35s. Our company test rig (2006 adventure) we purchased with 35s and used it almost exclusively wheeling to test our tierods, steering rack reinforcement and diff bushings with the stock aluminum diff for about 6 months before we jumped to 37s. The aluminum diff lasted for over a year of us on 37s wheeling before we cracked several teeth off. (many cv shafts failed before this). I think for 99% of the people out there, the stock 10 bolt rear and our HP dana 44 will be plenty especially if they upgrade to a air locker in the 10 bolt (you could also go alloy shafts). On our red 2006 with the 6.0L we are going semi float 14 bolt but that is more due to us wanting to link the rear and get rid of the stupid leaf springs we keep breaking on all of our rigs.
    Current:

    2006 Red H3 Adventure/ luxury- 37" iroks, HD tierods, steering rack kit, custom front IFS HP Dana 44 diff with Yukon zip locker, Np241 manual T-case, 6.0L VVT/ 6L90 swap

    2008 Black H3 Alpha- HD tierods, steering rack kit, Custom HD lower control arm bushing kit

    2007 Black H3 Luxury- 1.25" bodylift, elocker, 4:1 t-case, steering rack kit, custom front IFS HP Dana 50 diff with truetrac, 37" bfg km2, H3x 18" wheels

    2009 Black H3T base- custom front IFS HP Dana 44 diff with truetrac, 37" centennial trail hogs, H3x 18" wheels

    2008 White H3 Adventure

    I think we might have too many of these things now...

  3. The Following 2 Users Say Thank You to atvspeed4 For This Useful Post:

    JPaul (02-11-2020), rascole (02-11-2020)

  4. #33
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    Quote Originally Posted by atvspeed4 View Post
    We just placed the order for 5 housings and shafts. Not sure on ETA yet as we are in process of moving our shop and need to get the brackets and tabs cut out on our plasma table but things are in motion.
    How far of a put is it to integrate and install this on a Rancho lifted H3?


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  5. #34
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    Quote Originally Posted by jphh20 View Post
    How far of a put is it to integrate and install this on a Rancho lifted H3?


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    Honestly not sure. We dropped the diff with this final version to help with CV angles when torsionbars are adjusted so I am not sure what the heights would work out to be with the rancho side brackets also dropping the diff. The crossmember and our pinion mount is another unknown as we have a tab that mounts under the factory crossmember where the rancho relies on the stock diff sitting on top of the crossmember. The shafts, bearings, housing overall dimensions and machining would be the same its really the pinion mount that would have to be fabricated.
    Current:

    2006 Red H3 Adventure/ luxury- 37" iroks, HD tierods, steering rack kit, custom front IFS HP Dana 44 diff with Yukon zip locker, Np241 manual T-case, 6.0L VVT/ 6L90 swap

    2008 Black H3 Alpha- HD tierods, steering rack kit, Custom HD lower control arm bushing kit

    2007 Black H3 Luxury- 1.25" bodylift, elocker, 4:1 t-case, steering rack kit, custom front IFS HP Dana 50 diff with truetrac, 37" bfg km2, H3x 18" wheels

    2009 Black H3T base- custom front IFS HP Dana 44 diff with truetrac, 37" centennial trail hogs, H3x 18" wheels

    2008 White H3 Adventure

    I think we might have too many of these things now...

  6. The Following User Says Thank You to atvspeed4 For This Useful Post:

    jphh20 (02-11-2020)

  7. #35
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    Quote Originally Posted by atvspeed4 View Post
    Honestly not sure. We dropped the diff with this final version to help with CV angles when torsionbars are adjusted so I am not sure what the heights would work out to be with the rancho side brackets also dropping the diff. The crossmember and our pinion mount is another unknown as we have a tab that mounts under the factory crossmember where the rancho relies on the stock diff sitting on top of the crossmember. The shafts, bearings, housing overall dimensions and machining would be the same its really the pinion mount that would have to be fabricated.
    Thanks for your quick response. I know that most rancho lifted rigs are probably interested into how to close this gap, me included.


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  8. #36
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    Quote Originally Posted by jphh20 View Post
    Thanks for your quick response. I know that most rancho lifted rigs are probably interested into how to close this gap, me included.


    Sent from my iPhone using Tapatalk
    Same here.
    2006 H3 Adventure & modified Rancho with SOA

  9. #37
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    Quote Originally Posted by rascole View Post
    Same here.
    Here to

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  10. #38
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    Quote Originally Posted by atvspeed4 View Post
    You can break anything if you try. I cant believe you haven't gone to 35s yet! On several of our personal H3s over the years the first thing we did was go to 35s. Our company test rig (2006 adventure) we purchased with 35s and used it almost exclusively wheeling to test our tierods, steering rack reinforcement and diff bushings with the stock aluminum diff for about 6 months before we jumped to 37s. The aluminum diff lasted for over a year of us on 37s wheeling before we cracked several teeth off. (many cv shafts failed before this). I think for 99% of the people out there, the stock 10 bolt rear and our HP dana 44 will be plenty especially if they upgrade to a air locker in the 10 bolt (you could also go alloy shafts). On our red 2006 with the 6.0L we are going semi float 14 bolt but that is more due to us wanting to link the rear and get rid of the stupid leaf springs we keep breaking on all of our rigs.
    You fabricating the link setup in the rear or buying off the shelf brackets? I am interested in doing that as well. I bought an R2.8 for my T, but then couldn’t pass up a CTS-V as a donor for the T instead. I figure I need to beef up everything and the link is on the list plus the front dif


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    Fanugy
    08 H3 Alpha
    08 Ram 2500
    07 Dodge Durango
    A longer wishlist...

  11. #39
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    Quote Originally Posted by fanugy View Post
    You fabricating the link setup in the rear or buying off the shelf brackets? I am interested in doing that as well. I bought an R2.8 for my T, but then couldn’t pass up a CTS-V as a donor for the T instead. I figure I need to beef up everything and the link is on the list plus the front dif


    Sent from my iPhone using Tapatalk
    We are making h3 specific brackets
    Current:

    2006 Red H3 Adventure/ luxury- 37" iroks, HD tierods, steering rack kit, custom front IFS HP Dana 44 diff with Yukon zip locker, Np241 manual T-case, 6.0L VVT/ 6L90 swap

    2008 Black H3 Alpha- HD tierods, steering rack kit, Custom HD lower control arm bushing kit

    2007 Black H3 Luxury- 1.25" bodylift, elocker, 4:1 t-case, steering rack kit, custom front IFS HP Dana 50 diff with truetrac, 37" bfg km2, H3x 18" wheels

    2009 Black H3T base- custom front IFS HP Dana 44 diff with truetrac, 37" centennial trail hogs, H3x 18" wheels

    2008 White H3 Adventure

    I think we might have too many of these things now...

  12. #40
    Bald Tire
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    3 link or 4 link in the rear? I am not sure where the fuel tank on the H3 is located, but on the H3T it is against the frame rail. I considered linking the rear when I did the SAS, but didn't want to make a fuel cell in order to go 4 link.

  13. #41
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    Quote Originally Posted by colo4x4rado View Post
    3 link or 4 link in the rear? I am not sure where the fuel tank on the H3 is located, but on the H3T it is against the frame rail. I considered linking the rear when I did the SAS, but didn't want to make a fuel cell in order to go 4 link.
    Almost same design as OEM H2 rear
    Current:

    2006 Red H3 Adventure/ luxury- 37" iroks, HD tierods, steering rack kit, custom front IFS HP Dana 44 diff with Yukon zip locker, Np241 manual T-case, 6.0L VVT/ 6L90 swap

    2008 Black H3 Alpha- HD tierods, steering rack kit, Custom HD lower control arm bushing kit

    2007 Black H3 Luxury- 1.25" bodylift, elocker, 4:1 t-case, steering rack kit, custom front IFS HP Dana 50 diff with truetrac, 37" bfg km2, H3x 18" wheels

    2009 Black H3T base- custom front IFS HP Dana 44 diff with truetrac, 37" centennial trail hogs, H3x 18" wheels

    2008 White H3 Adventure

    I think we might have too many of these things now...

  14. #42
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    Quote Originally Posted by atvspeed4 View Post
    We are making h3 specific brackets
    Cant wait to see the projects you reveal in the coming years. Seems like there's a bunch of other stuff your working on at the moment too.


    "Just Hit It With Your Purse"

  15. The Following 2 Users Say Thank You to EndeavoredH3 For This Useful Post:

    atvspeed4 (02-21-2020), cgalpha08 (04-29-2020)

  16. #43
    Street Tire
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    Any updates on this?

  17. #44
    Baja

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    Man! I so want to rear gear my Alpha to 4.88, would tow my trailer so much better


    Visit Schwarttzy.com for more parts and info on the H3 Hummer.

  18. #45
    Super Swamper
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    I need 5.13's the I5 needs all the help it can get.
    2006 H3 Adventure & modified Rancho with SOA


 

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