Forced induction for naturally aspirated engines

When converting a gasoline engine with turbo or supercharger, the ignition angle needs to be retarded for the engine to withstand the boost.

The ignition angle is retarded based on how the boost pressure acts across the rev range, and is therefore remapped to the character of the turbo or supercharger.

Since the engine needs more fuel, larger injectors are required. The larger injectors are compensated for by scaling and mapping the fuel maps, leaning out at lower revs and load when the turbo is not boosting, and then adding fuel from the point where the turbo starts to boost.

It varies from different projects and engines how much you are able to boost, but you can run higher boost more safely with software remapped for forced induction, reducing the risk of engine knock and maintaining the right mixture.

The software is designed for your unique setup on 98/99 octane gasoline or E85 ethanol fuel.

We also offer remote tuning for those who are able to read out their engine control unit via the OBD port, and we map the file based on the AFR values you log.

Contact us for more information about which special settings we can offer and which injectors are suitable to choose.