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Will anything make the ride smoother

Hummer H2 For those who like a little more gleam to their Hummer, the H2 offers a similar rugged look as the H1, but as a lower cost, and with more added features, making it almost a massive luxury SUV.

Will anything make the ride smoother

Old 01-28-2019, 12:40 PM
Junior Member
Join Date: Apr 2011
Posts: 19

55 psi sounds really high on the tire pressure, sure thats not heling
Old 01-28-2019, 06:52 PM
H2Miami's Avatar
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Join Date: Sep 2011
Location: Sunshine state , MIami
Posts: 1,212

Originally Posted by TTLex View Post
55 psi sounds really high on the tire pressure, sure thats not heling
thats the max preasure allowed by the tires. Any lower will
Affect the mpg , also the truck feels slushy .if tires are runs under 50
Old 01-31-2019, 10:55 PM
Join Date: Aug 2010
Posts: 82

I run about 34-36lbs in my tires on the H2, My old Cooper STT E-rated 35s were rated at 78psi Max, I kept them at about 34-36psi. My 37 BFGs KO2s D-rated are rated for 54psi Max iirc, and I keep those around 36psi. New Bilstein offroad shocks on mine as well. I think it rides great on the 37s until I get to bad irregularities like deep potholes or uneven train tracks and then the entire interior sounds like its falling apart.

I chalk that up largely to the 3/4 ton front end, they just aren't forgiving. Large tires with lots of sidewall make all the small irregularities disappear and make the cruising very comfortable, but even lots of sidewall can fix deep potholes and the suspension wasn't designed to absorb it particularly well.

Clearly this thread is old but for anyone else thats having this issue I would say get a larger tire with more sidewall, I won't be held responsible for others using psi as low as I do if something were to happen to someone else, but I will say use your best judgement and always keep the Ford Exploder case study in mind. I think 36psi if perfect for me.
Old 02-12-2019, 02:56 PM
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Join Date: Oct 2011
Location: WI
Posts: 457

Originally Posted by H2Miami View Post
This is an old thread , I dont remember if I post where the chirp noise was coming from
it was the skid plate . One front bolt was loose, it was making that squirrel noise.
I replaced the shocks and ride improved a 50%
still having a rough ride but I g get used to it
im just glad to see you still have it!
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