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Unread 08-24-2005, 07:06 PM   #1
Reelm n Rubi
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Atlas 4sp transfer case

I just visited the advance adapter site and they were hinting at their new 4 sp case, has anyone heard anything, or seen any reviews. Supposedly it's 16" overall length and around 3 grand. Anyone know more?

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Unread 08-24-2005, 07:23 PM   #2
JeeperDon
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I think that would be overkill, like a 24 speed bicycle, where the gear combinations overlap all over the place. You either need to go slow, or you don't, anything inbetween is what the transmission gets paid to do. My 4:1 tcase is really like another full range, since the 1st trans gear is about 4:1 too. That means I have no overlap (other than 5th in low range), which is fine. Simply adding a syncro low range capability to my NP231 would be enough for me, which I believe the present Atlas II already does.
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Unread 08-24-2005, 07:49 PM   #3
Reelm n Rubi
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kind of what I was thinking too, but I'm still interested in the specs. 1,2, 3, 4 to 1 would be cool! street, sand, mud and rocks. Us auto runners could use a little more selection.
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2003 Lt. Khaki Rubicon automatic
Supercharged 4.7 stroker w/ Hesco aluminum head
70mm F&B throttle body
Kieth Black forged 944 pistons
Comp Cams custom ground camshaft
505 Performance PCM
Split Second Engineering fuel/timing management
Tom Woods CV driveshaft
50 lb/hr Trick Flow injectors
4" Full Traction LA with Bilstein 7100's
JKS 1" MM,BL. TeraFlex engine and steering armor
4.88's w/ 35 " Toyo Open Country m/t's
Moser Chromoly axle shafts front, Superior D44 rear
Warn 9.5ti on a M.O.R.E hi clearance bumper
Reid racing knuckles, Warn premium hubs
PIAA 525's, and 510's

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For SALE-- standard drop pitman arm redrilled with new 1 ton GM tye rod end (bottom mount). Perfect $30
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Unread 06-19-2013, 12:13 PM   #4
90_Black_YJ
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I have a Atlas 4sp

The Atlas 4sp is the best mod I ever did to my jeep. 90 YJ AX15 4.2 35's. I run the 2.72 for the fast trails, the 3.81 for the little harder trails, and 10.1 in second gear for the hard extreme technical stuff. Also 5th should not be used in low its the weakest gear in your transmission I know mine is trashed.
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