2004 R50 4x4 front hub disconnect?

[PatDes]

I just took my hud assembly apart to replace a broken wheel lug (giant pain in the ass). I noticed the hubs are fixed, so even in 2wd it's still spinning the front axles and the drive shaft. Now I'm building my rig as an overlander, as part of this I want to achieve a 1000km range. So my question is, has anyone installed locking/unlocking hubs and did you find a gain in fuel economy?

Also, any info you have about options for hubs would be greatly appreciated

 

Thanks!

 

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[colinnwn]

I gained 1-2 mpg, or about 10%,and the steering is noticeably lighter. I did it to reduce wear on CV joints.

 

I think your only 2 options are Warn and Mile Marker. Most seem to slightly prefer Warn. That's what I have because of past good experience and I liked their lower profile look. I was able to use my stock 2001 wheels with no modification.

 

The only issue is the last time I took them off, there was some white flaky aluminum corrosion on the back side of 1 dial that serves as a dust cover, nothing touches it. But if I new in advance I probably would have painted them inside.

 

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