Tools & Calculators

Instant answers, no guessing.

Use these quick calculators to size injectors, convert Lambda ↔ AFR, or estimate Stage gains for your platform. Built on the same formulas and data we use in-house at DMS.

Injector Sizing Calculator

Target Wheel Horsepower (whp) Number of Cylinders Max Duty Cycle (%) Fuel Type

Result will appear here…

Assumes brake specific fuel consumption (BSFC) values above; tune-specific trims may differ.

Lambda ↔ AFR Converter

Lambda

AFR result…

AFR

Lambda result…

Stage Gains Estimator (Mazda MX-5 NC)

Engine Stage

Estimated gains will appear here…

Based on internal DMS dyno database (Revlimit/TVS references + our testing). Numbers are indicative, not promises.