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pls help to convert school bus to 4x4

7K views 22 replies 12 participants last post by  shaglet 
#1 ·
Hi ineed help to convert my gmc 1987 45 set school bus
to 4x4

What front axle and transfer case iwill use

Tnx
 
#4 ·
No Dana 30... What you need to make is a dana 35 steering axle press the dana 30 tubes into a Dana 35 center and you'd have way Moore strength in the center section..
 
#8 ·
There are a lot of used utility trucks around in truck scrap yards. Most have a divorced transfer case, and 9-10,000lb froont ends. Rockwell, Marvin., etc. If you already have a leaf spring front, then it will be realtively easy. The wheel patterns will fit also. Watch utility auctions. Many go for below $5k, and you can strip what you need.
 
#23 ·
Rockwells would probably be the most ideal axles, however you may be able to source axles locally from a Unimog, Volvo, or MAN 4x4 truck with less hassel.

For the transfer case something from a duece and a half (M35) will be your best bet. I think they came with a rockwell transfer case. It is possible that they have one with the same engine your bus has. You could possibly need a transmission along with the transfer case.
 
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