منیفولد هوای ورودی متغییر - Donuts
A system called Split Port Induction (SPI) was used on the 2.0L CVH I4 of the 1997-2002 Escort and 2000-2004 Focus, and the 3.8L Essex V6 of the 1996-2003 Windstar and 2001-2004 Mustang. General Motors — 3.9-litre LZ8/LZ9 V6, 3.2-litre LA3 V6, ...