Thinking of putting a supercharger on my 2008 H2, anybody can tell me any ups or downs, has 6.2 with 75,000 miles

 

Lots of threads on this via the search function

https://www.hummerforums.com/forum/s...archid=2560022

 

Do it. I’ve got 113k miles with a magnacharger tvs 1900 that’s been on it for most of its life. Runs like a top. Fuel mileage still sucks of course. 11mpg mixed driving. It drives great and is decently quick for what it is. If you’re going to get one go with the magnacharger. The kit is quality and includes the engine and transmission tune.

Only thing to keep in mind is the transmission. If yours is original kiss it goodbye. But the updated new/remanufactured 6l80s seem to be holding up much better.

Definitely invest in a quality catch can. I got a moroso one for the 03-07 and attached it to my hood latch bolt. These super chargers hate getting any fluid or oil going through them.