Looking to swap a 1979 Bonanza to an Automatic Overdrive

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midgetorama

Junior Member
Joined
Oct 28, 2024
Posts
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Location
Montana
First Name
Casey
Truck Year
1979
Truck Model
Bonanza
Engine Size
350
My dad has an ultra clean 1979 Bonanza. Now that he's retired he's driving it more and hates the 4.10 gears at highway speeds. I believe it has the NP203 in it since it's full time 4WD and it's paired to a TH400 and 350 ci.

Can anyone recommend the most straightforward swap to an OD trans? I'm not opposed to a new transfer case swap with lockout hubs.

Happy to provide more information on the pickup to help with recommendations. Thanks!
 

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