Peak torque that jumps after an aggressive timing tweak can mask rising knock activity, heat soak, or fuel pump duty scraping the ceiling. Compare whole pulls, repeat tests in similar conditions, and prioritize smooth, repeatable area under the curve instead of one flashy, brittle highlight.
Overspeed swings can light up the launch monitor while silently exceeding what tendons, fascia, and joint capsules can handle today. Apply small weekly increases, alternate high and low days, and cap progress when technique degrades, grip pressure spikes, or pain whispers anything more than mild, non‑lingering discomfort.
Track boost, fuel trims, coolant temps, and ambient heat alongside swing volume, RPE, and sleep. Simple paired notes reveal patterns: hot shop days correlate with knock, late nights predict sloppy contact. Boring consistency beats heroics when the goal is many seasons of reliable performance.
Instead of worshiping peak horsepower or top swing speed, track knock counts, injector duty cycles, exhaust gas temps, strike quality, ball speed variance, and perceived exertion. When these stabilize while averages improve, you are building resilience, not gambling. Stability plus progress is the signature of sustainable growth.
Create a one‑page sheet: max boost, IAT, oil temp, fuel pressure, plus swing volume, session RPE, sleep, and morning soreness. Flag anything trending up for three days. Address causes early—airflow, fueling, workload—before your hand is forced by broken parts or sidelined practice weeks.
Engines and elbows both have redlines. If knock control intervenes, oil thins, or coolant creeps, lift. If contact location drifts, grip tingles, or pain alters movement, stop. Turning down today protects the chance to turn up tomorrow with confidence and clear intent.
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