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LS7 Valve Drop Issue. What you need to know!

It seems a lot of questions, concerns, information and misinformation exists related to the LS7 valvetrain issues.  We felt it might be helpful to our dealers and customers to summarize what we have learned over time about these issues. THE INFAMOUS CONCERN I just purchased a C6 Z06 and I am reluctant to drive it […]

Lifters, Lash and Preload. What you don’t know won’t hurt you, or will it?

In speaking with our customers, and browsing various automotive forums – I have observed a lot of confusion and misinformation concerning hydraulic lifter operation and preload specification. I have concluded it may be helpful to provide some information on this subject. Anatomy of a Hydraulic Lifter A hydraulic lifter isn’t too complicated. It consists primarily […]