April 20, 2026
MAF Tuning – What, How, When
MAF tuning ie adjusting the signal coming from the MAF sensor before it enters the engine ECU is a quick…
Tag: afr
December 2, 2025
Lambda vs AFR – Why Lambda (λ) is Better
Lambda λ is a better measurement to use than AFR for the simple reason that we can use lambda for…
June 2, 2024
Lambda Sensor – Wideband vs Narrowband. The Difference?
Wideband lambda sensors measure the air fuel ratio (AFR) of the engine over a “wide” range (around 10:1 to 22:1…
June 1, 2024
Air Fuel Ratio – What is it? What is too Lean, Best for Power & Idle?
Air fuel ratio is the ratio of fuel-to-air in the combustion chamber before the mixture is ignited. The air fuel…
May 28, 2024
ECU Compensation Table – What is it? How to use it.
An ECU compensation table/s gives us an extra dimension/s to our map (fuel, ignition, boost, TC etc) table. The extra…
April 27, 2019
How Important Are AFRs For Engine Power?
HP Academy has done another great video experimenting with different AFRs to see which gives the most torque and perhaps…
