[phattyduck]

Originally Posted by papabeach

Maybe the trans mount is just collapsed? That would explain the droop at the rear of the transfer case. There is a lot of extra weight back there right now...

-Charlie

[rkntoy]

Originally Posted by papabeach

It runs, it shifts and it goes very very SLOOOOWWW!!! First test drive was a success. Looks like my plan to modify the crossmember for the crawlbox mount isn’t going to work, not enough driveshaft clearance. I was hopeful it would be ok but only on level ground…can barely get a finger under the driveshaft. I am thinking either custom mount or more likely the TG mount and customize it later as others have done. I was surprised to see how low the rear case hangs down…lower than the rear crossmember. Still need to finish modifying the shifters (I bent them a little already but need more heat/hammer and then piece the interior back together. It was interesting driving down the road with the hole in the transmission tunnel open…could hear the gears whirling a bit, made me smile. I am thinking about pulling the front driveshaft for now, not want to bang it up and don’t need it right now, though not sure if it is ok to drive much without better support. Anyone know if it is ok to drive like this for a bit or am I dancing with badness? Big thanks to everyone who offered advice/tips…I am excited to get this on the trail with everything locked up and in low/low just to see…]

You can also bend the transmission shifter a bit to keep it away from the t-case shifters

[papabeach]

Originally Posted by rkntoy

You can also bend the transmission shifter a bit to keep it away from the t-case shifters

I think this will be a must! I used a MAP gas torch/press and hammer/drift to bend the RadDesign Sticks...still need to go a bit further....will probably do the same with the transmission shifter though I like the way you cut yours down...may go this route. It is a total custom job, right? Go until you are happy. Also, just ordered the HD detent springs. Shifting from N to L in the rear case seems soft...kicking myself for not doing this earlier but live and learn...

Originally Posted by phattyduck

Maybe the trans mount is just collapsed? That would explain the droop at the rear of the transfer case. There is a lot of extra weight back there right now...

-Charlie

Honestly, I feel a little silly now. My buddy reminded me that our front drive shafts don't move much...our front 3rd members are fixed...the CV's do all the flexing. Here is a pic at full droop....minimal to no change with clearance, so for IFS...clear is clear it seems. I am fine unless I SAS (which might happen in the future). I was thinking with my old 80 series brain...IFS is a different...doh. Trans mount is in great shape...inspected it while it was out...shocked at how well it has stood up. Kinda made me wonder if running an OEM rubber mount on the crawlbox would be a good idea. I already have plans for the HD mount but kinda curious now.



Also, looks like my sag is similar to that of the pic I thieved from @rkntoy below.

I spoke with TG today and their crossmember/skid is meant to follow the "natural" angle of the driveline but simply provide more support. Agree with others that it is just too low. Stinks to buy such an expensive product and then need to cut it up. Its the price you pay though... I am wondering how much I can stuff it up before I have to get adjustable rear control arms and change the pinion angle without causing vibrations...

[clearock]

Found that my TG case had gears running metal on metal a while back, TG couldn't answer why but sent out a new 4.7 gear set, I installed said set and have put roughly 150 miles on my rig. Decided to change the fluid so that i could check for issues and found that the same thing was happening. As far as I can tell the only thing that would cause this is the output shaft bearing deflection... this is why marlin use a double row main shaft bearing. Feel like I paid Trail Gear to do their R&D for them, I've had to R&R their case 8x since I 1st installed (popping out of gear, to reseal leaking fluid from them not completely sealing, gears eating each other). Waiting to hear back from them, so far they have been very professional in their treatment, hopefully they continue and I don't end up stuck with a large paper weight.

[midcoma]

Originally Posted by papabeach

I already have plans for the HD mount...

Whatever mounts you end up running, use the same material for the entire drivetrain. Either stick with rubber for everything or switch everything to poly, including the engine mounts.

Originally Posted by papabeach

Agree with others that it is just too low.

Don't forget that you have a clockable adapter plate. Obviously it would be a bit more work, but you can clock the case and get it back above the crossmember.

[papabeach]

@midcoma I appreciate the tips. I ended up sticking with OEM rubber for now. I added a spacer to the top of the crossmember so I could raise the driveline enough to use my Shrockwork skids without any additional modification to them and also add the new mount on the back. I think it turned out pretty nice. I don’t really notice too much in the way of new vibrations...had expected more so am pretty happy. I might clock the setup sometime in the future but for now this was the easiest answer. I also ordered a TG TC shifter as it is easier to bend then the one Marlin sent. Then more shifter mod fun...

[theesotericone]

Originally Posted by papabeach

@midcoma I appreciate the tips. I ended up sticking with OEM rubber for now. I added a spacer to the top of the crossmember so I could raise the driveline enough to use my Shrockwork skids without any additional modification to them and also add the new mount on the back. I think it turned out pretty nice. I don’t really notice too much in the way of new vibrations...had expected more so am pretty happy. I might clock the setup sometime in the future but for now this was the easiest answer. I also ordered a TG TC shifter as it is easier to bend then the one Marlin sent. Then more shifter mod fun...

Sweet man. Once you wheel it all that work will be so worth it. It really is a game changer.

[clearock]

Had to send my TG case back to them again. My conclusion after digging a bit more is the spacer they used to stop my popping issue to deep into the case, the output shaft snap ring is what controls the spacing based on the case. I suspect that the case was not machined to correct specs which caused the popping out of gear issue and when they shimmed the output shaft bearing it closed the space to much, said combined with the bearing deflection was causing the rubbing (u can c it in the pic but the parts rubbing r concave which supports the bearing deflection). TG is sending me back an all new dual case except the trans to dual case adapter plate. With all that said I've returned my DD 4runner back to single case and thinking atlas maybe the way 4 me to go on my new build. Probably going to just sell the new TG case coming off. When I took the output bearing and spacers out it was pretty obvious things were forced. The custermer service has been great but i wish a little they had been dicks to start so I would have asked for my $ back at the start.

[papabeach]

Originally Posted by clearock

Had to send my TG case back to them again. My conclusion after digging a bit more is the spacer they used to stop my popping issue to deep into the case, the output shaft snap ring is what controls the spacing based on the case. I suspect that the case was not machined to correct specs which caused the popping out of gear issue and when they shimmed the output shaft bearing it closed the space to much, said combined with the bearing deflection was causing the rubbing (u can c it in the pic but the parts rubbing r concave which supports the bearing deflection). TG is sending me back an all new dual case except the trans to dual case adapter plate. With all that said I've returned my DD 4runner back to single case and thinking atlas maybe the way 4 me to go on my new build. Probably going to just sell the new TG case coming off. When I took the output bearing and spacers out it was pretty obvious things were forced. The custermer service has been great but i wish a little they had been dicks to start so I would have asked for my $ back at the start.Attachment 369136

Attachment 369137

Bummer to hear...that’s a lot of work. Maybe give the new case a go? If it works...it might just be worth it.

[clearock]

Originally Posted by papabeach

Bummer to hear...that’s a lot of work. Maybe give the new case a go? If it works...it might just be worth it.

My plan was to move the TG case over to my new build, I'm concerned that with my increase in power that even if everything is good now that I'll destroy it with said. I can get the most $ for a new case. Plus I need to set my axles pinion angle and all my housing bracketing based off the case position so to have to go back and change over to a atlas if it failed again... my guess is I'd start snapping input/output shafts and I couldn't blame TG for that with my setup...

[eimkeith]

Originally Posted by clearock

The custermer service has been great but i wish a little they had been dicks to start so I would have asked for my $ back at the start.

LOL! - that's the first time I've ever heard someone complain about good customer service. Love it, lol.

[papabeach]

Finally got my custom boot from Redline. They did great, highly recommend for those that want to go this route. Oh and more importantly, I got to use the gears recently at Uwharrie, NC during the 2020 Overland Challenge. Not sure I “needed” the gearing but the added control was great.

[hntz4x4]

That looks really good. Where did you get the shift knobs?

Originally Posted by papabeach

Finally got my custom boot from Redline. They did great, highly recommend for those that want to go this route. Oh and more importantly, I got to use the gears recently at Uwharrie, NC during the 2020 Overland Challenge. Not sure I “needed” the gearing but the added control was great.

[papabeach]

Originally Posted by hntz4x4

That looks really good. Where did you get the shift knobs?

Thanks!

Advance adapters

[clearock]

Trail Gear did end up sending out a completely new case with new internals. I ordered a 4 speed Atlas II with the 10:34 to 1 low gear, currently working on adapting the 2jzgte A340 (3F310) 2wd transmission to the Atlas.