boost pressure - Torque Metrics

Knock Sensor False Positives: Why You’re Losing 20+ HP to Bad Data

Most tuners pull timing at the first sign of knock sensor activity, but modern sensors trigger from exhaust noise, fuel slosh, and A/C compressors. You're losing 20+ horsepower to false positives that aren't actual detonation.

Why 40% of Stage 2 WRX Builds Actually Lose Power

Analysis of 200+ Stage 2 WRX dyno sheets reveals a shocking truth: 40% actually lose power compared to baseline. The culprit isn't bad parts or poor tuning — it's knock sensor data that owners consistently ignore.

WRX Stage 2 vs Stage 3: Which Boost Level Actually Makes Sense?

Most WRX owners jump straight from Stage 2 to Stage 3, missing the sweet spot in between. Stage 2.5 builds deliver 20-22 PSI boost with better fuel flow and fewer headaches than full Stage 3 setups.

How to Find Boost Leaks Before Tuning: DIY Testing Guide

A simple boost leak can cost you 50hp and trigger false knock readings that send your tuning session sideways. Here's the systematic approach professionals use to find every leak before touching the tune.

5 Critical WRX Gauges Your Dealership Never Mentioned

Your dealership handed you the keys but forgot to mention the 5 gauges that determine whether your WRX lives or dies. Boost pressure, AFR, knock count, oil temp, and coolant temp tell you what's really happening under the hood when the fun starts.

Common Tuning Myths That Your Datalogs Will Prove Wrong

Forum wisdom says lean AFR equals more power and advanced timing is always better. Your datalogs tell a different story entirely.

Spring ECU Tuning Mistakes That Destroy Engines

Spring tuning season brings three expensive mistakes that destroy engines: ignoring knock retard over 4 degrees, running excessive boost on stock internals, and missing heat soak warnings in your data. Here's what the numbers actually mean and how to avoid a $15K rebuild.

AFR Targets That Actually Work: Beyond the 11.5:1 Myth

That universal 11.5:1 AFR target everyone quotes isn't universal at all - it's a recipe for blown motors. Professional tuners adjust AFR based on boost pressure, fuel octane, timing advance, and knock threshold to find the sweet spot between power and safety.

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Articles for: boost pressure