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Tuning Knowledge
& Insights

Learn the fundamentals
behind performance tuning.
Explore the newest articles on tuning, diagnostics,
and what your logs are actually telling you.

Articles for: timing advance

How to Find the 370Z Hidden Timing Window for 25HP Gains

370Z owners are discovering a timing advance window between 2500-4500 RPM where the factory ECU pulls back too conservatively. Adding 2-3 degrees here safely unlocks 25 hidden horsepower most tuners miss completely.
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Stage 2 Tune After Winter Storage: Why Cold Engines Need Break-In

Most tuners push Stage 2 maps immediately after winter storage, ignoring the critical break-in period that prevents false knock readings. Your cold engine isn't ready for aggressive timing until you've logged proper heat cycles.
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Why Dyno Numbers Lie: What 350Z Owners Should Track Instead

That 30whp difference between dyno runs isn't about one shop being wrong. Peak power tells you almost nothing about your VQ35DE's actual performance or tune quality.
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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.
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E85 vs Pump Gas AFR: Why 11.5:1 Is Wrong for Both Fuels

Most tuners run 11.5:1 AFR on both E85 and pump gas, missing the optimal targets for each fuel. E85 makes peak power at 10.8-11.2:1 with aggressive timing, while pump gas needs 11.8-12.2:1 for knock resistance.
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Is E85 Worth It for STI? Real Data on Power vs Complexity

E85 conversion on your STI isn't just about peak power gains. The real advantage is knock resistance that lets you run 2-3 degrees more timing advance, but only if you monitor ethanol content religiously.
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E85 Timing for 370Z: The Sweet Spot Most Owners Get Wrong

Most 370Z owners running E85 are leaving 15-20 wheel horsepower on the table with overly conservative timing advance. Our analysis of 50+ dyno runs shows the real sweet spot is higher than you think.
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Does Higher Timing Advance Always Mean More Power? What the Data Shows

Most tuners think more timing advance equals more power, but the data tells a different story. We analyzed timing vs torque curves from hundreds of dyno sessions to find what actually makes power.
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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.
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