I’m excited to announce that 2nd Generation H3 Hummer Rock Sliders are nearly in production. The goal has been to improve upon the design while addressing issues. The most important issue being...
https://schwarttzy.com/2023/02/11/2nd-gen-rock-sliders-h3-h3t-hummer/
Earlier this year, I started having issues with the keyless entry. The distance at which the remote worked kept reducing week by week. I also had the Tire Pressure Monitoring System (TPMS) light ...
https://schwarttzy.com/2022/12/26/tpms-sensor-keyless-entry-fix-h3-hummer/
Hey H3 Hummer Off-Road lovers, it’s time for an update about the parts and the new shop. Check out the video on YouTube below for a full rundown. As for cliff notes of what has been happening. ...
I like to think that every challenge is just an opportunity to improve and move to a better position. I’ve parted ways with the company that produced all of the H3 Hummer parts for the last 10+...
https://schwarttzy.com/2022/07/22/new-shop-tig-welded-parts/
Years ago I permanently fixed an exhaust leak on my GM equipped LH8 5.3 V8 Alpha H3 Hummer and I think everyone with an LS engine should know about the ARP Chromoly Header Bolt Kit. However, thos...
I’ll start by saying that don’t have plans to stop doing whatever it is that I’m doing here on Schwarttzy.com any time soon. I’m still selling the off-road parts for the H3 Hummer. I’m ...
Custom H3 Hummer prototypes take a lot of time to design develop. Which is why it always so exciting to announce and share when progress has been made. Today, the last major obstacle in the desig...
https://schwarttzy.com/2021/07/13/hi-lift-cb-antenna-bottle-opener-mount/
An important Off-Road accessory for all solid axle-equipped off-road vehicles is the heavy-duty differential cover. The HD Diff Cover protects the Ring & Pinion from damage where one of the tight...
https://schwarttzy.com/2021/05/17/h3-hummer-arb-0750007b-differential-cover-install/
Just a few days ago Adam, a customer of Schwarttzy.com, reviewed his awesome V8 powered Championship Edition H3 Hummer with Andre on the YouTube channel TFLnow. Being a fan of nearly all things a...
Purchase the Rockford Fosgate Punch speakers P1675-S and P1675 for the H3 & H3T Hummer to get the best combination of an inexpensive price and improved sound quality. For the H3 Hummers with the ...
https://schwarttzy.com/2020/12/11/speakers-upgrade-h3-h3t-hummer/
The 2008 Alpha H3 Hummer #WarWagon needed the upper control arm replaced because of a failing ball joint on the passenger side. Prior to shooting this video, I’d already replaced the control ar...
https://schwarttzy.com/2020/12/03/upper-control-arm-h3-hummer-replaced/
In Fort Wayne, Indiana the company called Blackstone Laboratories tests the oil from customer’s engines to provide “easy-to-use, understandable, and accurate oil analysis.” Recently, I sent...