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73-87 Chevy _ GMC Trucks => Blazers/Jimmys => Topic started by: 1797JImmy on March 18, 2004, 08:07:00 pm

Title: 4x2-4x4
Post by: 1797JImmy on March 18, 2004, 08:07:00 pm

What would I need to do to use a 2wd tranmission as a 4wd tranny with a NP 203 transfer case in a  1979 Jimmy

Title: Re: 4x2-4x4
Post by: 73K20 on March 19, 2004, 09:22:00 am

Since I don't know what tranny you are talking about, all i can say for sure is that you will need to replace the mainshaft (output) with a 4wd version.

1973 K20 - 350/465/205

Title: 4x2-4x4
Post by: 1797JImmy on March 19, 2004, 12:28:00 pm

The tranny is a 700-R4 and the transfer case in a NP203 that I am going to convert to a part time case

Title: Re: 4x2-4x4
Post by: captkaoscustoms on March 21, 2004, 08:19:00 am

You are going to need an adapter of some kind and I don't know anyone that make it, you could try Advanced Adapters, but.....  the NP203 was never offered with the 700R4.

Chris Lucas
www.captkaoscustoms.com
www.73-87chevytrucks.com

Title: Re: 4x2-4x4
Post by: 73K20 on March 22, 2004, 09:05:00 am

The stock TH350 adapter may work for you.

1973 K20 - 350/465/205