1991 Mustang Promotional Sales Brochure
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Mustang Power The 5.0L High Output V-8 that powers Mustang GT and LX 5.0L, with a rating of 225 horsepower at 4,200 rpm, is among the most powerful production engines in America. Perhaps even more significant is the amount of torque available at the low end, 300 lb. ft. at only 3,200 rpm. But, there's more to consider than just power and torque. There's the track record of an engine design that has proven its mettle. Advanced features such as sequential electronically controlled multiple-port fuel injection. And a wealth of high-performance equipment like forged steel connecting rods for strength. Proven overhead valve design with modified combustion chambers. Cast iron block and heads and aluminum intake manifold. Roller tappets help reduce friction and heat. And a double roller timing chain helps keep everything working together efficiently. Other high-performance components include induction-hardened camshaft; forged aluminum alloy pistons; tuned stainless steel tubular headers; large diameter dual exhausts and much more. A standard 5-speed manual transmission with overdrive fifth gear lets you put all that power to work with the precision of direct linkage shifting. Gear ratios for the Mustang 5-speed are: 1st gear - 1.35; 2nd gear - 1.99; 3rd gear - 1.33; 4th gear - 1.00; 5th gear - 0.68. The 2.3L 4-cylinder engine that power LX models is new to Mustang for 1991. This advanced powerplant utilizes eight spark plugs per cylinder, tuned air intake runners and computer-designed intake ports, the engine delivers high combustion efficiency. Combined with multi-port fuel injection and electronic engine control, the 2.3L delivers an excellent balance of response and fuel economy... White Mustang, you choose the level of performance that suits you, from a comfortable cruise or commute all the way to the exhilaration that comes with 225 horses.
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