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We're often reminded through the questions we receive via our contact form that certain topics, though covered years ago, remain new to some individuals. Below, we address one such inquiry and provide additional resources such as articles and videos to assist newcomers navigating similar issues.Question:  I have a 2007 Kia Sedona 3.8 liter engine. I'm putting in a salvage engine and the upper idler pulley has stripped threads. It uses an M10X1.5 bolt. Question is should I use a Heli Coil or …

DennisB WiseAutoTools.com © Summary: Time-Sert or Heli-coil? We answer this question a lot. In fact many of our customers call asking for a Helicoil kit. Helicoil is a brand name that’s synonymous with thread repair. Just like Kleenex is the best known brand name for facial tissues, Heli Coil is the most common brand name for thread repair kits. But being the most commonly known name doesn’t necessarily make it the best fix. Read on to learn more about choosing the right thread repair kit.Parts …

WiseAutoTools.com © Summary: Head bolt thread repair kits for repairing head-bolt threads in the cylinder block if done properly can save thousands of dollars compared to replacing engine blocks. Advantages of using Time Sert solid bushing type inserts over a thin coils of wire like Heli Coil uses. Helicoil is the better known brand however, clearly is not the better thread repair system. Both brands have kits for M11x1.25 head bolts which are commonly found in Nissan and Infiniti engine …