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This article is in video format at the bottom of the page! How severely can a spark plug hole in an aluminum engine head, which previously had a repair insert and has since blown out, making the hole bigger and showing signs of erosion, be damaged and still be fixable? Basically, there needs to be enough material to ream or drill out so that complete threads can be tapped to accept an oversize spark plug insert. The image above shows a spark plug hole after a Napa Fix-A-Thread insert failed, lea …

Modern car engines are made with a combination of materials, including aluminum and plastic, for various reasons, primarily related to performance, efficiency, and weight reduction. Here are some of the key reasons for using these materials: Aluminum: Lightweight: Aluminum is much lighter than iron, which was commonly used in older engines, although there are some cast iron blocks around still. One example being some Chevy LS engines. Lighter engines improve fuel efficiency and reduce the over …

Wise Auto Tools: Spark plug thread failure is not exclusive to Ford vehicles, although Ford seems to have the highest number of issues with blown spark plugs or damaged spark plug threads for unknown reasons. However, import manufacturer's like Toyota, Nissan, or others can also experience recurring spark plug thread problems after a repair from a parts store, resulting in enlarged holes.Fortunately, Time-Sert offers a solution for these problems as well. It's important to note that the Tim …

WiseAutoTools.com Summary: We cover a few common problems and tools needed to work on the Pentastar 3.6 engine used in a wide range of Chrysler products today including the Challenger, Ram Truck and Jeep Grand Cherokee just to name a few.Misfires rattles.Chrysler seems to be "all in" on the 3.6 Pentastar and to honest we're not too sure of the reason why. I recently spoke with a veteran, 40 year Mopar technician that was just sick over this. He was nearing the end of his career, but he expressed …

WiseAutoTools.com © Summary: How to fix stripped threads - SOLVED. Do's and Don'ts, we've done the research. Repair threads by installing a solid bushing type repair insert. This resource page contains FAQ videos and links to our car, light truck and motorcycle aluminum thread repair articles which have helped save our customers save thousands of dollars over the years. Articles are written by Dennis Bandy, a Master Automotive Tech which has had many years of experience working as a flat rate …