Power Tools

Unlike other head gaskets that can leak or fail under high pressure, the Fel-Pro 8364 PT Cylinder Head Gasket for Chevrolet Chevelle stands out with its precise application-specific design. I’ve tested plenty, and this one truly seals tightly, even when the engine runs hot or pushes peak combustion pressures. Its PermaTorque material makes it reliable, … Read more

The first thing that struck me about this LANNEY Sandpaper Assortment Pack wasn’t just its variety of grits, but how smoothly it handled my tasks. I tested it on rough metal surfaces and delicate plastic, and it performed consistently without tearing or clogging. The waterproof feature meant I could switch from dry to wet sanding … Read more

For years, RV window gaskets have lacked a reliable combination of durability, sealing power, and easy installation. That’s why I was excited to test several options thoroughly. After hands-on experience, I found that many seals either crack under UV exposure or don’t prevent wind noise effectively. The standout, Upgrade RV Window Seal – 0.5 x … Read more

The landscape for intake gaskets changed dramatically when high-performance sealing technology entered the picture. Having worked directly with these components, I can tell you that a good gasket isn’t just about sealing—it’s about durability under heat and pressure. The 6PCS Upper Intake Manifold Gasket and 6PCS Lower Intake Manifold set caught my eye because it’s … Read more

Contrary to what manufacturers claim about RV air conditioner gaskets, our testing revealed that a good seal isn’t just about size — it’s about how well it keeps water out and stays sticky over time. The 14″x17″ RV Air Conditioner Gasket Seal Kit from EcoSynic stood out because it forms a waterproof, leak-proof barrier that … Read more

When consulting with auto mechanics about their silicone gasket sealant needs, one requirement consistently topped their list—high-temperature resistance and durability. Having tested several options myself, I can tell you that the Permatex 82180 Ultra Black Maximum Oil Resistance RTV really stood out. It adheres strongly to oily surfaces and remains flexible from -65°F to 500°F, … Read more

Holding a tube of RTV silicone, I was struck by its dense, almost silky texture—firm but flexible. When I applied it to a gasket surface, it spread smoothly, creating a uniform bead that stayed put without sagging. That immediate control is what makes a big difference in sealing tasks, especially for a trans pan cork … Read more

Before testing this RTV, I didn’t realize how much a subpar seal could cause leaks or lose durability over time. I’ve used many silicones, but the Permatex 81878 Ultra Copper RTV Silicone Gasket Maker truly impressed me with its high temp resistance and unmatched oil resistance. It handles extreme heat up to 700°F and stays … Read more

When consulting with engine rebuilders about their gasket sealant needs, one requirement kept coming up: durability under harsh conditions. I’ve tested a bunch of RTVs myself—on oil pans, valve covers, and transmission seals—and let me tell you, some hold up while others crack or shrink. What really stood out was the Permatex 82180 Ultra Black … Read more

Contrary to what some might assume, I found that not all RTV sealants are equal when it comes to sealing the intake gasket on a 6.9 IDI. After hands-on testing, I’ve seen how different products handle high heat, pressure, and oil exposure. What really stood out during my trials was the durability and consistency of … Read more