High mileage or a high-performance camshaft swap: Those are the top two reported reasons for LS rocker-arm failure. The symptoms are a miss with a ticking sound coming from the valve cover or needle ...

LS engine architecture is indisputably amazing. There are examples everywhere, including the pages of Car Craft, of engines plucked out of salvage yards making reliable horsepower even at 1,000+ hp.

On our test subject, a 2001 Camaro SS, these upgrades were realized during an engine build that was completed in 2007. At the time, the budget allowed for a set of PRC Stage 2.5 5.3L heads, while a ...

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