by geeves » Fri Dec 18, 2009 2:54 pm
you mean this engine?
The LX5 V6 is a DOHC engine from Oldsmobile, introduced in 1999 with the Oldsmobile Intrigue. It was produced by the Premium engine group at GM and was thus called the Premium V6, or PV6, while it was being developed. It is based on the L47 Aurora V8, which is itself based on the Northstar engine, so engineers called it the Short North, though Oldsmobile fans have taken to calling it the Shortstar.
It is not a simple cut-down V8. Although it has a 90° vee-angle like the Northstar and Aurora, the engine block was engineered from scratch, so bore centers are different. It has chain-driven dual overhead cams and 4 valves per cylinder, but is an even-firing design with a split-pin crankshaft similar to the modern GM 3800 engines. The LX5 displaced 3,473 cc (3.473 L; 211.9 cu in) and produced 215 hp (160 kW) @ 5,600 rpm and 230 ft·lb (312 N·m) @ 4,400 rpm. Bore is 89.5 mm (3.52 in) and stroke is 92 mm (3.6 in). Compression ratio is 9.3:1.
The cost of building this engine was high, and it was not used in many vehicles. It was said at the time that a family of premium V6s would follow, with displacements ranging from 3.3 L to 3.7 L, but only the LX5 was ever produced. It was entirely different from any other V6 in the GM inventory, and as with the Aurora V8, production stopped with the demise of Oldsmobile.
Year Model Power Torque
1999–2002 Oldsmobile Intrigue 215 hp (160 kW) @ 5600 rpm 230 lb·ft (312 N·m) @ 4400 rpm
2001–2002 Oldsmobile Aurora 215 hp (160 kW) @ 5600 rpm 230 lb·ft (312 N·m) @ 4400 rpm
The 3.5L LX5 was on the Ward's 10 Best Engines list for 1999 and 2000.
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