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Hello, I'm Dennis Bandy, owner of Wise Auto Tools and a Master Automotive Technician with many years of hands-on experience in the shop. Over the years, I've fielded plenty of questions from mechanics and DIYers about materials for tools and repairs, and one that comes up often is whether stainless steel is basically carbon steel treated with some kind of rust-preventative coating. Let's set the record straight on this, and I'll explain why understanding the difference can make or break your thr …

A customer recently emailed us with a great question: “What percent of Kia vehicles would you say have the head bolt stripped?” It’s a common concern for owners of Kia and Hyundai vehicles with 3.3L, 3.5L, and 3.8L engines and it’s no surprise why. Stripped head bolt threads in aluminum engines are a known headache, especially for models using M11x1.5 head bolts (like those compatible with Fel-Pro ES72366 head bolt). Let me provide a little more info on the issue and I'll …

We recently received a great question from Michael, a DIYer facing a common problem of stripped threads for head bolts: repairing He's got two stripped holes for cylinder head bolts on a Pentastar 3.6L engine. His ask? “Would I be able to rent a Time-Sert 8313 repair kit or pay a usage fee? It’s a lot for me to afford for a one-time use (at least I pray I never have to do it again). Any help would be so greatly appreciated, thank you.” Michael’s situation is one many gear …

When a Save-A-Thread insert fails, it can leave the spark plug hole in your engine significantly larger than its original size. This scenario often requires more robust repair solutions, such as the 389XL Triple Oversize Thread Repair Kit. Here's a comprehensive guide on how to tackle this issue effectively.Understanding the Problem Spark plug threads can become damaged or stripped due to various reasons, including cross-threading, over-tightening, or the failure of previous repair attempts …

Years ago, I wrote about a customer who only wanted the tap from a TIME-SERT 2200 kit. More recently, another customer asked, “Can I buy just the thread tap from the TIME-SERT 3700 kit?” These types of inquiries are common. The TIME-SERT 3700 kit, an M11x2.0 Universal Head Bolt Thread Kit, is popular for many LS engines. When I asked if the customer had the full kit, he assured me he did, but his answers suggested otherwise. He claimed the kit was old and the numbers on the tap were worn off. Th …