Valve Failure Analysis
Understanding how and why engine valves fail is critical for any engine builder or tuner. This guide covers the most common types of valve damage, what causes them, and how to prevent them.
Valve Spring Failure Analysis
Valve springs are among the hardest-working components in any performance engine. Understanding how and why they fail helps you build engines that last — and avoid catastrophic damage.
Tech Articles
Racing Valve Spring Kit Nissan SR20 – The Upgrade Your Build Actually Needs
When it comes to pushing the legendary Nissan SR20 engine beyond factory limits, most builders focus on turbos, fuel systems, and tuning. But one of the most overlooked — and most critical — components in a high-performance engine is the valvetrain. And more specifically… the valve springs. If you’re chasing higher RPM, bigger cams, or […]
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The Small Engine Part That Solves Big VW 16V Problems
When it comes to performance and reliability, most enthusiasts focus on big upgrades—cams, turbos, injectors. But often, the real problem lies in the smallest components. In the case of VW 16V engines, one of the most overlooked culprits behind poor performance, noise, and long-term engine damage is the cam follower. And more importantly—the right hydraulic […]
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The Unseen Weak Points in BMW Performance Builds — And the Upgrades That Fix Them
BMW engines are known for their balance of performance, refinement, and engineering excellence. Platforms like the M20, M30, M50, M52, and M54 have become favourites among enthusiasts for builds ranging from daily drivers to full race cars. But once you start pushing beyond factory limits, a reality sets in: OEM components were never designed for […]
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The Hidden Killer in Ford Pinto Engines — And How to Fix It
When it comes to classic builds and performance upgrades, the Ford Pinto engine has earned its place as a reliable and tunable platform. But there’s one common issue that continues to catch enthusiasts off guard — valve spring failure. It’s not always obvious at first. In fact, many drivers only realize something is wrong once […]
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The Hidden Problem in VW 8V Performance Engines – And How Dual Valve Springs Solve It
When building or upgrading a VW 8-valve engine, most people focus on the obvious performance upgrades: camshafts, ported cylinder heads, turbo systems, or ECU tuning. But there is a critical component in the valvetrain that is often overlooked — the valve springs. A high-performance camshaft or high-RPM build can quickly expose the limitations of factory […]
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Lockdown Project to Drift Machine: Ruan Oosthuizen’s Turbo BMW E46 Journey
At 32 years old, Ruan Oosthuizen is steadily making his mark in the drifting scene with his BMW E46 M52B28 Turbo, a car built with passion, persistence, and a love for motorsport. Like many great builds, this one started during lockdown. What began as a project quickly evolved into something much bigger. Ruan started building […]
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STK Performance Valve Springs Explained | Golf GTI, Audi TTRS & RS3 Performance Upgrade | RestoModSA
STK Performance Parts: Harder Valve Springs & Higher RPM Explained | RestoModSA
STK Performance Parts: Single Valve Spring Explained | RestoModSA
Why Forged Valves Matter | Inside STK Performance Racing Valve Engineering | car modify | RestoModSA
