The Speedmaster 408 CID Ford Cleveland crate motor was engineered as a complete package - every component designed to work as a system, not a collection of parts. Sydney Speed Supplies put it on the dyno to validate what the engineering promised.

The result: 554 hp (413 kW) on 98-octane pump unleaded.

Built as a System

From the 3V alloy cylinder heads to the 750 CFM carburettor to the high-volume oil pan, every component in this engine is a Speedmaster part. That level of integration is intentional - it eliminates the guesswork of mixing and matching, and it means the entire rotating assembly, induction system, and oiling system were designed to complement each other from the outset.

This is what vertical integration makes possible: a crate motor where compatibility is engineered in, not assumed.

Dyno Validation

The dyno session, conducted by Sydney Speed Supplies, confirmed 554 hp and 413 kW - numbers achieved on pump fuel, not race gas. That distinction matters. It demonstrates real-world applicability for street and weekend strip builds that require reliable, repeatable power without specialised fuel infrastructure.

What This Enables

For builders working with the Ford Cleveland platform, this crate motor removes the complexity of sourcing, matching, and validating individual components. It arrives as a tested, complete engine - ready to install and ready to perform.