Looking thru the forums "I" rarely see many H2/H3 Hummer builds. Yes I know that Hummer is an "Orphan Brand" with the newest Hummer now 8 years old however the H2/H3 Hummer's "appear" to be a quite capable vehicle for an overland type of build.
This leads to my question.
Why so few overland Hummer builds?
Because they are not as cool other brands. My experience is only in regards to the H3.
IMHO they need a couple mods to make them worth their weight. The plastic shift fork in some of the transfer cases are known to break. The steering rack bushings are junk and need an upgrade. Front differential crossmember bushings need upgrading.
The aluminum front differentials in most models have been known to break when a locker is used. I'm sure excessive throttle and 35"+ tires doesn't help. I've personally never witnessed a broken front aluminum differential but you know how the internet is. The elocker in them was an older locking pin design that was inferior in my opinion and are prone to premature wear. Eaton now has a locking collar design that is more durable.
MPG is weak. A front axle disconnect would help
slightly.
The front driveshafts are a weak link if the torsion bars are cranked too much.
I found them hard to see out of, but it could be just me.
The good points are numerous:
Front and rear lockers in certain models - selectable- not that G80 junk
Cast iron front differential in certain models
4:1 transfer case available
5.3 V8 - good reliability and easy to find parts
A slight tb crank and you can fit 35" tires without a lift kit
Good recovery points from the factory
Decent aftermarket support
Pretty easy to work on
Decent room for gear
(I like their outward appearance too)
I don't see many around my neck of the woods, but they make a great vehicle when properly set up. I've spent a lot of time messing with them and they can be worth owning. I recommend them and love seeing them amongst a sea of common Expo vehicles.
I think the reason you don't see many is because only a fraction of the H3s were worth building IMHO. Most of the bad aspects can be upgraded/fixed with aftermarket or upgraded parts though.
Now I can sit back a watch all the H3 guys get mad for pointing out some of the shortcomings. Don't feel too bad you H3 guys...the 1st Gen Colorado has a lot of the same issues and mine is fine after I fixed the problems I mentioned.