different t-case swap? - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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Old 09-13-2009
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different t-case swap?

ok guys im just wondering how hard it would be to swap in a totally different transfer case... first off i want a manual tcase and one with lower gears. so im thinkin a atlas or np205 idk really what i want just not the one i have. If anyone has any good tcases to look into let me kno.
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Old 09-13-2009
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I don't think anyone makes adapters to use anything else. Stak 4x4 is supposed to be making one but I have heard they have been saying they will make it for quite some time now.

I don't know if you have a manual or auto: STaK
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Old 09-13-2009
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I don't know about the Atlas cases, but the NP205 is a Jeep case with a 23 spline input shaft. The BW1354 is a 25 spline, so you need a new 25 spline input shaft for the NP205. Then figure out how to bolt it up. Then have custom driveshafts made, or lengthen/shorten yours because I'm sure the NP205 isn't the same size.
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Old 09-13-2009
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so for now all i can really do it swap in a manual tcase... is there a way to change the gear set for a lower final drive than the stock one?
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Old 09-13-2009
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Quote:
Originally Posted by Riceman View Post
I don't know about the Atlas cases, but the NP205 is a Jeep case with a 23 spline input shaft. The BW1354 is a 25 spline, so you need a new 25 spline input shaft for the NP205. Then figure out how to bolt it up. Then have custom driveshafts made, or lengthen/shorten yours because I'm sure the NP205 isn't the same size.
NP205 isnt a Jeep case. It came in Fords and Chevy's. Getting a different tcase to match up is harder then one would think. Rangers use an odd mounting pattern. 5 bolt instead of the more common 6 bolt. The 1354 and the atlas are your only options right now.
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Old 09-13-2009
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Originally Posted by Off-roadranger04 View Post
so for now all i can really do it swap in a manual tcase... is there a way to change the gear set for a lower final drive than the stock one?
Doubler or atlas.
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Old 09-13-2009
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im trying to learn about the t-cases so could you post a link to the doubler or atlas?
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Old 09-13-2009
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Old 09-13-2009
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NP205 isnt a Jeep case. It came in Fords and Chevy's.
Apparently I don't know about much about NP cases either.
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Old 09-13-2009
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the np205s were in chevys fords and jeeps
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Old 09-13-2009
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whats a good final gear ratio for off-roading? im thinkin 4.1:1 or 5:1
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Old 09-13-2009
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If you could find the 1354 manual out of a FX4 Level II I'm pretty sure it has a lower ratio than a normal 1354. I'll have to ask Justin (Toreador4x4) because he told me in the first place.
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Old 09-13-2009
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4.1 is a pretty standard all around low range. me personally with my doubler I have roughly 6.15 double low.
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Old 09-13-2009
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If you could find the 1354 manual out of a FX4 Level II I'm pretty sure it has a lower ratio than a normal 1354. I'll have to ask Justin (Toreador4x4) because he told me in the first place.
All 1354's have a 2.48:1 low range.
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Old 09-14-2009
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If you could find the 1354 manual out of a FX4 Level II I'm pretty sure it has a lower ratio than a normal 1354. I'll have to ask Justin (Toreador4x4) because he told me in the first place.
They are both the same. i started with an electric case, and currently now have a manual case.
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Old 09-14-2009
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Good luck getting everything you need for the manual swap if you go that route.
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Old 09-14-2009
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just go to a 1354m and then regear your axles.

you do have a 4.0L so you could grab the advanced adapters stuff to swap in a 700r4 and then youd have alot of choices on tcases
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Old 09-14-2009
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Yeah i want a manual tcase but im slowly workin my way up on how to do things to my truck.. I can do alot now, but i really havent messed with the drivetrain. I would like to learn cuz i also want a locker in the rear
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