In this issue:

Piston Rings, Part 1

In part 1, we’re giving you interesting info on bore finish and block preparation.

Roller Rocker Systems, Part 1: the Camshaft

In this first installment of high-performance rocker arms, we’ll look at what you really must understand before you start building an engine the science and geometry involved.

Renewing Engine Performance: Where Did the Power Go?

Backpressure can seriously sabotage your efforts to get plenty of air into the cylinders, yet many people overlook it and don’t know how to detect its presence. And how is the MAF sensor affected?

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Click to read the July 2015 issue of Performance Technician.

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