![Scott Performance Wire Offers American-Made LT Spark Plug Wire Sets](https://www.streetmusclemag.com/image/2023/10/scott-performance-ls-spark-plug-wires-2023-10-19_22-37-06_442105-484x322.png)
Dual overhead camshafts, variable valve timing, and other valvetrain issues can tax the oil.
Direct injection comes with its own set of challenges such as LSPI and dilution.
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