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When it comes to repairing spark plug threads, quality and reliability are paramount. At Wise Auto Tools, we have been dedicated to providing top-notch repair solutions since 2005. We understand that drilling into your engine can be nerve racking! Over the years, we have continually refined our products to ensure our customers receive the best possible tools for their automotive needs. Here’s why purchasing a 38900 or a 389XL from Wise Auto Tools is your best choice, especially in l …

This article is also available in video format at the bottom of the page.Car manufacturers started using R134A refrigerant in 1995. Vehicles manufactured before this year typically used R12 refrigerant. However, many of these older systems were converted to R134A because R12 production was halted. R12 systems have threaded service ports. R134A systems can be identified by their quick-connect service port connectors, which differ in size for the low and high sides to prevent incorrect connections …

The short answer is a qualified yes, in some applications. The Time Sert 1115 kit is designed to install inserts at the surface. Read on to learn more. Can the Time Sert eleven fifteen kit effectively repair head bolt threads?  The answer requires some explanation. The Time Sert 1115 kit is primarily engineered for surface-level insert installations, when the threads start near the deck. For this reason, the eleven fifteen is suitable for head bolt threads positioned near the su …

I recently read an article about a Mac Tool distributor that had so many broken Mac Tools that he came up with a custom chute to send all the broken tools down, to keep them out of sight. It’s not great for business if customers see a bunch of broken tools, right? In the truck’s setup, they made this to funnel the the broken tools down a pipe into a bin that's accessed form the outside of the truck. Previously, if a customer brought back a broken tool, it ended up in a drawer in o …

We get this question a lot. Customers want to purchase just the Time Sert inserts because they already have a tap and die set. After explaining that a tap and die set is not the same, our question for them is "I know you're trying to save money, but how will you drill the correct size hole, counter-bore for the lip of the insert and how will you cold roll the bottom threads of the Time Sert insert if you don't have the proper install driver?" In short a Time Sert kit is needed to install Time Se …