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The 5.4 L features multi-port fuel injection, roller finger followers, fracture-split powder metal connecting rods, and in some applications a forged steel crankshaft. [ 54 ] The 2-valve SOHC 5.4 L engine was on the Ward's 10 Best Engines list for 1997–1998 and 2000–2002.
The 6.2 L (379 cu in) V8 is the main variant of the Boss engine. The V8 shares design similarities with the Modular Engine family such as a deep-skirt block with cross-bolted main caps, crankshaft-driven gerotor oil pump, overhead cam valve train arrangement, and bellhousing bolt pattern.
The Ford small-block is a series of 90° overhead valve small-block V8 automobile engines manufactured by the Ford Motor Company from July 1961 to December 2000.. Designed as a successor to the Ford Y-block engine, it was first installed in the 1962 model year Ford Fairlane and Mercury Meteor.
This was achieved through PCM calibration and a modified fuel system. Though capable of matching or exceeding the older 302 V8's output, the 4.6 L V8 was criticized for delivering inadequate performance, particularly against the larger displacement of the OHV V8 used in the Mustang's chief rival, the Chevrolet Camaro .
The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, [citation needed] but is most associated with Cadillac's Northstar series.
The addition of the SPI system resulted in a 33% increase in peak power, a 7% increase in peak torque, and a 2% reduction in fuel consumption for the 3.8 L Essex. The 4.2 L saw similar improvements, and its longer stroke and use of longer intake runners resulted in an even greater increase in low speed torque.