How to switch from a DRW to a SRW in a 1981 K30 / 350 engine / 3 speed manual / 4x4

[Tonimus]

I ran my '84 without flares and just a single rear wheel. No issues. Didn't look too weird.

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[DoubleDingo]

........Didn't look too weird.

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It kinda does....

 

[TotalyHucked]

OP, it looks like you've got a pretty nice truck there. In all honesty, if you want a SRW truck, I'd just go buy a SRW truck. It's a ton of work to convert, it'll look goofy as hell if you simply remove a wheel. If you don't need the load capacity of a dually, either sell yours and buy a SRW or find someone to trade. You'd be much frustration ahead that way

 

[Ricko1966]

Or pick a wide enough rear wheel and tire and go phantom dually style.

 

[Grit dog]

Any recommendations wheel wise ? What should i get ? Do I still get the spacers for the back wheels ?

Among other things and as you’re just doing this for looks, realize the other truck you posted has a considerably narrower flatbed, made for srw narrower track width rear wheels.
There’s not a way to make it look like that truck without a new flatbed and new front hubs, etc.
Then worry about what kind of wheels and whether you want or need spacers.