How much boost is too much for a Subaru FA20DIT engine ... world subjected to all manner of amateur and professional tuning ...
The user control factor comes in because drivers can tune the engine by plugging in ... performance machinery" (including a 300 bhp Subaru WRX) next weekend (Sept. 22nd) in Wiltshire.
How much boost is too much for a Subaru FA20DIT engine? That depends on who you ask. The turbocharged engine has been used in the WRX (and other performance-focused Subarus) for over a decade, so ...