Subaru EJ vs. DIT engines: Critical Changes in Knock Control

Subaru’s new DIT (direct injected turbocharged) engines have replaced Subaru’s aged EJ series which have been found in Impreza, Forester and Legacy models since the 1990’s. While many things have changed, some appear the same. The knock control related functions

E85 Ethanol In a Non Flex Fuel Vehicle – Pros, Cons, Concerns

E85 fuel is an ethanol gasoline blend which offers performance advantages at drastically lower cost than race fuel. This attractive combination has taken the performance industry by storm. There are many articles about its basic properties. Rather than rehashing that,

The Subaru WRX EJ205, engine bearings, and you.

Innovative Tuning’s head tuner Mike started modifying Subarus with his 2002 model year WRX back in 2001. Spanning 2002-2005 model years in North America, we’ve been working on and tuning these 2 liter turbocharged cars for a long time know