Turbo Misfire Under Load: Why Your Plug Gap Is Probably the Culprit
Intermittent misfires under boost are often a plug gap problem. Here’s how to diagnose turbo misfires — spark plug gap, fuel delivery, and boost leaks.
-
-
How to Estimate Volumetric Efficiency (Natural Capacity) for Injector Sizing on a Boosted Engine
Adding a turbo and need bigger injectors? Here’s how to estimate your engine’s Natural Capacity (VE) and apply it correctly when your sizing calculator meets boost pressure.
-
How to Calculate Natural Capacity (VE %) for Injector Sizing on a Forced Induction Build
Natural Capacity percentage in injector sizing calculators is Volumetric Efficiency by another name. Here’s how to estimate it for a stock N/A engine going forced induction, and how boost changes the number.
-
Natural Capacity and Volumetric Efficiency: How to Size Injectors for a Forced-Induction Conversion
Natural Capacity in EFI injector calculators is just volumetric efficiency by another name. Here’s how to estimate it for a stock engine and adjust it when adding boost.
-
Tuning a Boosted Engine Combo: Fuel Injector Sizing, Pump Flow, and AFR Targets
Spec your injectors with the wrong BSFC and your boosted build runs lean at peak power. Here’s how to size injectors, match pump flow, set AFR targets, and use an IR gun for cylinder diagnosis.
-
Best Supercharger Kits for Naturally-Aspirated Engines in 2026
What expert reviewers and long-term owners say about the top supercharger kits for naturally-aspirated engines in 2026 — consensus picks and genuine disagreements included.
-
T25 Manifold-to-Turbo Gasket: Types, Bolts, and What to Know Before You Touch Anything
Replacing the T25 turbo inlet gasket means picking the right material and knowing which bolts are which. Here’s what matters and what can go wrong.
-
Best Piggyback ECUs in 2026: What Tuners and Owners Actually Say
Six independent sources compared: MAP-ECU3, GReddy eManage, AEM FIC, ECUMaster DET3, JB4, and Apexi AFC — where reviewers agree, where they clash, and who should buy what.
-
Best Reliable Turbo Cars in 2026: What Reviewers and Owner Data Actually Show
What experts and owner data say about the most reliable turbo cars in 2026 — Mazda 3, Honda CR-V, Civic Type R, Lexus NX, Golf GTI, and BMW B58 compared.
-
Best Blow-Off Valves in 2026: What Independent Reviews Actually Say
Independent reviewers and long-term owners weigh in on the best blow-off valves in 2026 — from street-friendly dual-ports to 1,800 hp monsters. Here’s the consensus, and the genuine disagreements.
