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Skydiving, H3 Hummer, & WordPress
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Even in Moab, after a full day of off-roading, I got tired of hunting down a reliable air compressor just to fill up the tires. That’s why I picked up this ARB CKMTA12 high-output twin air compressor second-hand off Facebook Marketplace. I thought it was new in box, but it turned out to have some…
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For owners of the 2008-2010 Hummer H3 Alpha with the OEM V8 (5.3L), the power steering pump assembly represents a key component in the hydraulic steering system. The factory part, GM 25932020 (which supersedes earlier numbers 20810993 and original 15867424), integrates the pump with the reservoir and provides the necessary pressure for assisted steering. As…
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Authors: Eric J. Schwarz, with contributions from Grok (xAI) Submission Date: July 18, 2025 AbstractThe Temporal-Spatial Unification Model (TSUM) presents a novel theoretical framework that redefines gravitational phenomena as manifestations of a time flow tensor () and spatial scaling tensor (), in contrast to General Relativity’s curvature-based approach. By positing that matter generates time-space units…
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I can’t get enough of the Eastwood Plastic Resurfacer Matte Black Aerosol Spray Paint with UV Resistance—it’s hands-down my go-to for bringing the H3 Hummer’s plastic bits back to life on my rig. The roof trim on my H3 was starting to look like it’d been baked in the sun for a decade, all chalky…
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The 2nd Generation Rock Sliders for the H3 Hummer from Schwarttzy.com represent a leap forward in off-road innovation, blending rugged durability with clever design enhancements. Crafted with a modular approach, these sliders feature a lightweight yet tough 3/8-inch 5052 aluminum skid plate. The one-piece, non-welded 3/8-inch HRPO steel brackets eliminate rust concerns by avoiding dissimilar…
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This video provides an update on the ongoing development of the 2nd-generation H3 Hummer Rock Slider and its subsequent truck variant, the H3T. Recent testing of the rocker panel protection has confirmed the perfect fit and production-readiness of all brackets and ribs. While the full-length step plate prototype requires minor adjustments to meet production standards,…
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This video provides a development update on our second-generation H3 Hummer rock sliders as of July 24, 2024. The prototype showcased is a partial section used for initial measurements and adjustments. The production model will extend the full length of the vehicle’s rocker panels. Our design surpasses traditional rock sliders, offering comprehensive rocker panel protection.…
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We’re thrilled to announce that our second-generation H3 Hummer Rock Sliders are nearing production. Building upon the success of our original design, we’ve focused on addressing key issues and introducing significant improvements. Key enhancements include: We’re confident that these advancements will exceed your expectations and provide you with a superior product. Stay tuned for updates…
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Earlier this year, I began experiencing intermittent keyless entry issues and a persistent TPMS warning light, despite recent tire sensor replacements. Initially, I assumed the two problems were unrelated and replaced the keyless remote battery, but this did not resolve the issue. I mistakenly assumed remote issues were the cause of my problem and replaced…
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Attention H3 Hummer Off-Road enthusiasts! Here’s an update on parts and our new fabrication partner. Watch the full video on YouTube (link below) for details. Briefly, while our initial shop offered laser cutting, bending, and powder coating, they couldn’t meet our high standards for permanent laser etching of logos, torque specs, and instructions. We’ve secured…
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I view challenges as opportunities for growth. While parting ways with my previous employer, a long-time supplier of H3 Hummer parts, was a significant change, it also presents a chance to pursue long-held goals. I’ve been dissatisfied with the quality of welds, limited order quantities, slow design revision cycles, and lengthy shipping times. This new…
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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, those ARP bolts alone won’t completely fix the annoying sound of an exhaust leak. If the problem is anything…