In addition to being a homebuilder, Ross Farnham runs Racetech Inc., which builds, supports, and distributes SDS (Simple Digital Systems) EFI and EI kits for Experimental aircraft engines. He currently flies an RV-6A powered by a turbo EJ22 Subaru.
There are many ways to increase an engine's efficiency when rebuilding. Tom Wilson reviews the options, along with the costs involved and the expected returns.