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Topic Review (Newest First)
02-21-2018 10:38 AM
littlebuddy You could also go with a planetary gear box like the Klune and keep the stock transfer case. Of course you would have to make your own adapter for both end of the Klune.
02-16-2018 09:26 AM
paulevans76 Actually man, it may be the AR5 bell to r150/151 to dual cases? You'll want to double check. Marlin crawler did a few of them about 10 years ago or so, and Dave might know for sure as well.
02-15-2018 05:41 AM
Blue Bomber
Quote:
Originally Posted by paulevans76 View Post
He might have the AR5 to dual Toyota, that has been done a few times. When I saw 2wd I thought divorced setup. The divorced has been done in an amigo, but it did have a super short rear shaft. But the AR5 dual Toyota is a slick setup.
Thanks. Im a ways from doing that, but the more I know ahead of time, the better!
02-14-2018 04:11 PM
paulevans76 He might have the AR5 to dual Toyota, that has been done a few times. When I saw 2wd I thought divorced setup. The divorced has been done in an amigo, but it did have a super short rear shaft. But the AR5 dual Toyota is a slick setup.
02-14-2018 02:32 PM
Blue Bomber
Quote:
Originally Posted by paulevans76 View Post
I looked into this.. Even found an old no longer made OTT divorced toy adapter. It would just end up too long, even in a longer wheelbase vehicle like my trooper. I'd have traded a 2' front and 4' rear driveshaft for the opposite.

I went down another rabbit hole with a 2wd sm465 to divorced toy, which with a single geared down case and the granny gear, you'd have plenty of gear options, but I think with ~200hp and weighing probably close to 5k lb, it would have been more than even a built yota case would hold up to, and I also wanted to keep it semi streetable. So dumped that idea.

I'm down to either running an auto to a moderate 3-4:1 case, or toss another case on the back of my MUA5 for duals.
The one that told me about that setup was Dirthead Dave and says that is what he has in his Amigo, so its got to work....
02-14-2018 10:53 AM
paulevans76
Quote:
Originally Posted by Blue Bomber View Post
Im really interested in youre setup. Ive been trying to find ways to get a better crawl ratio than just the Revo 3:1 gears. Heard that a 2wd manual trans and an adapter to dual yota tcases is a good option. Doing the atlas seems like less work though. Can yo PM me some pictures?
I looked into this.. Even found an old no longer made OTT divorced toy adapter. It would just end up too long, even in a longer wheelbase vehicle like my trooper. I'd have traded a 2' front and 4' rear driveshaft for the opposite.

I went down another rabbit hole with a 2wd sm465 to divorced toy, which with a single geared down case and the granny gear, you'd have plenty of gear options, but I think with ~200hp and weighing probably close to 5k lb, it would have been more than even a built yota case would hold up to, and I also wanted to keep it semi streetable. So dumped that idea.

I'm down to either running an auto to a moderate 3-4:1 case, or toss another case on the back of my MUA5 for duals.
02-13-2018 05:51 AM
Blue Bomber That is awesome! Thanks for the pics! I need to figure something out to get a better crawl ratio.
02-12-2018 10:34 AM
littlebuddy Attached are a few pictures of the adapter I had to make to mate the 4 speed Atlas up to the 4L30E transmission. The third pic is the input shaft on the Atlas machined down to fit the transmission. Also included a few pic's of my rig.






02-12-2018 10:14 AM
littlebuddy 1 more
02-12-2018 10:13 AM
littlebuddy 2 more to go
02-12-2018 10:13 AM
littlebuddy almost there
02-12-2018 10:12 AM
littlebuddy
02-12-2018 10:11 AM
littlebuddy I see I need at least (10) posts before I can post pictures so bear with me on the next few posts.
02-08-2018 07:00 PM
tripleXJ we all want to see. I have a set of duals with the 4.7 rear laying around and would love to run it behind my auto.
02-08-2018 09:01 AM
Blue Bomber Im really interested in youre setup. Ive been trying to find ways to get a better crawl ratio than just the Revo 3:1 gears. Heard that a 2wd manual trans and an adapter to dual yota tcases is a good option. Doing the atlas seems like less work though. Can yo PM me some pictures?
01-22-2018 06:04 AM
littlebuddy The 3:1 with the 6:17 is a good combo with an automatic. I also do a lot of winter wheeling and I donít think I would want to go much lower since itís nice to have the wheel speed to get up the hills. I think I will really like the 4 speed Atlas since now I can have the lower gears in the rocks and have the higher gears for winter wheeling.
01-19-2018 09:50 AM
paulevans76 I figured it would probably do ok as long as it stayed cool and the rig wasn't too big/heavy.

How did you like it with the 3:1 and 6.17s? I have been thinking along those lines with various combos - 700r4 to lt230, 700r4 or aw4 to the zu case with the 3.1's, etc. That or stick with the manual and run duals. I only have the 3:1's and the manual, so my crawl at just over 60:1 is worthless in anything technical. It's 3 footin' and bouncing through everything. An auto at 60:1 I figure would be decent enough bc of the torque converter.
01-15-2018 10:29 AM
littlebuddy I get an error note stating my "post count must be greater" before I can post pictures.
01-14-2018 02:45 PM
ovrez sounds nice , you have any pictures of the rodeo buggy
01-08-2018 05:37 AM
littlebuddy Before installing the Atlas, my rig weighed in a hair over 3700 pounds so now it must be more like 3750lbs.

I went with the 10.34:1 ratio so that gives me the option to run 1:1, 2.72:1, 3.80:1, and 10.34:1.

Regarding the transmission. I have heard that a few people have had problems with the 4L30E transmission but you can look at any transmission and they all have problems. In my opinion I believe the 4L30E is a great transmission and Iíll tell you why. When I started wheeling this rig it was right after I got into a car accident with my daily driver. The Isuzu didnít come out of the situation to well so I decided to turn it into an off-road rig. I put in a dana 44 front axle and ran 35 inch tires. After a few years I decided to turn it into a buggy in 2012 and went with one-ton axles with 6:17 gears, 3.1 transfer case gear reduction, and 42 inch tires. After the build, I figured I would have tranny problems since it is classified as a ďlight-dutyĒ transmission but itís still going strong with no problems. I believe the main killer to any transmission is fluid level and heat. Take these two equations out of the picture and your transmission problems should be minor.
01-05-2018 09:22 AM
paulevans76 Very cool. How heavy is your buggy? That trans isn't known to hold up to towing/beatings, but hopefully the gear reduction will take some strain off of it. What ratio did you go with?
01-02-2018 10:42 AM
littlebuddy Sheís in!!!
I received my 4 speed Atlas last month and have to say that sheís in my 99 Isuzu Rodeo buggy. Before starting this project, I searched the internet for any advice, but I found nothing. I did install the 3:1 gear reduction in my stock transfer case from Independent 4x4 a few years ago but I still wanted something a little lower for more control in the rocks. I knew I wanted a 4 speed Atlas but wasnít for sure exactly what was all involved to matting it up to my 4L30E transmission. All I knew was the 4L30E transmission had a 27 spline count and that Atlas makes a female 27 spline input shaft, so I made my purchase. After receiving my Atlas, I noticed to get the same spline engagement as my current transfer case I had to machine the OD of the input shaft on the Atlas and by doing this I was also able to use the standard 4L30E seal. The next step was to make an adapter to mate up to the Atlas and the 4L30E transmission. I got lucky since I was able to use the current 4L30E adapter plus I would need a 0.75 adapter plate to get the proper spacing for everything. I still have to make driveshafts and other odds and end before the initial test run.
08-07-2017 10:57 AM
littlebuddy
99 Isuzu Rodeo with 4L30E transmission/4 speed Atlas

Iím planning on getting a 4 speed Atlas transfer case but need a little help. Does anyone have any spec. on the bolt pattern for the tail end of a 4L30E transmission or know of anyone that has made an adapter before for this combo? What I came up with is that the 4L30E transmission has a 27-spline output shaft that will mate up to the Atlas 27-spline input. I believe this is correct but there is little info on the 4L30E transmission on the internet.

Any help would be much appreciated.
Thanks

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