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Transfer case swap from 203 to 205 on a TH350
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Posted: 10/17/08
04:57 PM
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I've got a NP 205 t-case off of a 4-speed tranny and I want to bolt it up to my TH350... My TH350 currently has a NP203 bolted up to it... I am curious as to what parts I will need for this swap.. Any help??
Representing The Barely Legal Pulling Team
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SnoMan
Addict
| Posts: 2005
| Joined: 03/08
Posted: 10/18/08
07:24 AM
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You could simplify it of sorts and make is a 3 speed Tcase by retaining 203 reduction unit which bolts to 350 and getting a adapter to bolt it to 205 and that would give to 2 speeds in 2wd (1 to 1 and 2 to 1) and 3 in 4wd (1 to 1, 2 to 1 and 4 to 1). The planetary reduction unit on 203 is superior in strength and design/noise to 205's dated idler gear design.
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RamJetGMC
New User
| Posts: 12
| Joined: 04/06
Posted: 10/20/08
12:49 PM
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you got a lot of parts hear OK let start a input from a 4 speed is 10 spline
TH350 is 28spline
Th400 is 32 spline
for all 203 and 205
ok IF you go with a dubbler kit i like ORD you need a 205 from a th400 32 spline and short 2in in lenth ther is a 4in one that is a not too bad swap over
you need to find a np203 from what ever you want for the front 203
this is just a start
RamJet 350 th400 203ORD205 d60 14 bolt locked X2 42tsl and some tube
02 ford X 7.3 towrig
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