Articles & Podcast Episodes

The engineering behind this product’s high-temperature resistance truly stands out—because I’ve tested plenty, and nothing compares to how well Permatex 81630 Ultra Red High Temperature Gasket Maker handles extreme heat. It adheres firmly, stays flexible, and can withstand up to 650°F, making it perfect for serious engine applications. I found it reliable even under sudden … Read more

Many users assume that all gasket brands are created equal, but my extensive testing proved otherwise. After hands-on experience with various options, I’ve found that the best brands stand out for their durability, heat resistance, and fit. For example, the Permatex 81630 Ultra Red High Temperature Gasket Maker impressed me with its ability to withstand … Read more

Did you know only about 15% of RTV gasket makers really hold up under tough conditions? As someone who’s tested dozens, I can tell you the Permatex 81182 Gear Oil RTV Gasket Maker really stands out. It’s specially formulated to resist the harsh environment of gear oil — no breakdown or leaks, even in transfer … Read more

When consulting with mechanics about their transfer case gasket needs, one thing they always emphasize is durability under harsh conditions. After hands-on testing, I can tell you that the Permatex 81182 Gear Oil RTV Gasket Maker 3 oz stands out. It’s formulated specifically to resist the aggressive environment inside transfer cases, handling gear oil friction … Read more

The first thing that struck me about this Permatex 82180 Ultra Black RTV Silicone Gasket Maker wasn’t its high flexibility or oil resistance, but its ability to form a reliable seal without pre-cut gaskets. I’ve tested it on everything from oil pans to valve covers, and it holds up perfectly under pressure. Its quick curing … Read more

As the chilly season approaches, nothing beats having a tight, leak-free clutch cover. I’ve personally tested several gasket makers in messy engine bays, and let me tell you, the right sealant makes all the difference—especially in tricky spots. After deep dives into performance and durability, I can confidently say the Permatex 81182 Gear Oil RTV … Read more

Before testing this gasket sealer, I didn’t realize how much a poor seal could cause ongoing leaks and engine trouble. When I switched to the Permatex 81182 Gear Oil RTV Gasket Maker, I immediately noticed how easily it seeks out leak paths that typical gaskets miss. Its silicone formulation withstands harsh gear oil environments, which … Read more

For years, transmission pan gasket sealants have often lacked durability against high temperatures and transmission fluids, which is why the Permatex 81180 Automatic Transmission RTV Sealant 3 oz Gray deserves attention. Having tested countless products, I found this one stands out for its excellent flexibility and resistance to aging, cracking, and shrinking — even under … Read more

Did you know only about 15% of gasket sealers actually handle the tough demands of automatic transmission pans? Having tested several myself, I can tell you it’s all about withstandability—heat, fluid, and constant movement. When I used the Permatex 81180 Automatic Transmission RTV Sealant, it immediately stood out because it resists aging, hardening, or shrinking—perfect … Read more

For years, gasket sealers for automatic transmission pans have lacked reliable resistance to fluid pressure and temperature fluctuations, which is why I was excited to test the Permatex 81180 Automatic Transmission RTV Sealant 3 oz Gray. After hands-on testing, I found it offers excellent adhesion and flexibility—key for preventing leaks over time—thanks to its durability … Read more