View Full Version : 203 to 208 or 205 swap
12-13-2006, 08:49 AM
Thinking of swapping out the t-case in my truck anything special I should know??? Have a 203 now thinking of a 205 or 208, t350 trans, thoughts???
208 are weak aluimum case chain drive 203 or 205 way better ...
12-13-2006, 06:30 PM
my 208 is aluminum and its work good with my 350 and 37's. The low range is 2.6 or something, a np205 is 1.96 low but its gear driven. A np205 by itself would be ideal with a sm465 cause of the low first n second gear, but with an auto like a turbo 400 the 1st is a 2.78.
isnt the np203 a full time 4 wheel drive transfer case? but i heard you can get a part-time 4 wheel kit that you can install into it...
12-13-2006, 06:51 PM
you can get part times for the 203, my understanding is that they arent too great.
12-13-2006, 07:25 PM
Only the 205 is a bolt-up. The 208 would need a longer shaft in the TH350.
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