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The Vortec 5300 LH9 produces 300 hp (224 kW) at 5200 rpm and 320 lb⋅ft (434 N⋅m) at 4000 rpm. It has a displacement of 5,327 cc (5.3 L; 325.1 cu in). [ 58 ] The compression ratio was 9.9:1 for 2010, but was reduced to 9.7:1 for the remaining two years of production.
Vortec is a trademarked name for a line of gasoline engines for General Motors trucks. The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber , creating a better air / fuel atomization. [ 1 ]
The 1500 series came standard with the 5.3 L Vortec 5300 V8, but the 4.8 L Vortec 4800 V8 could be ordered with an option credit if so desired. 2500HD models came with the 6.0 L Vortec 6000 V8 only. All trucks had the four-speed automatic transmission with tow/haul mode. Customers could choose from either SLE or SLT Decor.
Chevrolet L21 (Vortec 7400) 454 cu in (7.4 L) OHV 90° 16V V8 1998-2001 Chevrolet L18 (Vortec 8100) 496 cu in (8.1 L) OHV 90° 16V V8 2001-2003 Caterpillar 3116 402 cu in (6.6 L) OHV turbocharged inline-6 Diesel 1993-2003 Caterpillar 3126 442 cu in (7.2 L) OHV turbocharged inline-6 1997-2003
GMC's own V8 was the 637-cubic-inch (10.4 L) unit, which was essentially a 478 V6 with two cylinders added. It shared the 5.125 in × 3.86 in (130.2 mm × 98.0 mm) bore and stroke and used a single camshaft.
The LT9's listed specifications are 160 hp (119 kW) at 3,800 rpm and 250 lb⋅ft (339 N⋅m) of torque at 2,800 rpm with 8.3:1 compression. [27] LT9 engines were carbureted with Rochester Quadrajets from the factory and generally have four-bolt mains. The LT9 is often known as the "M-code 350," from the eighth character of the VIN. [26]
Vortec 5700, replaced by 5.3L V8 and 6.0L V8 364 cu in (6.0 L) V8 GM Generation III small-block V8: 2003–2008 (LQ4) 2010–2020 (L96) 2018–2020 (LC8) Vortec 6000, replaced 5.7L V8 and 8.1L V8 Flex-fuel capability added in 2010, and CNG/LPG (propane) option added in 2018
Do not confuse with later AMC 2.5 L engine that uses GM small corporate pattern . Chevrolet Turbo-Thrift engine (post-1962) Chevrolet 153 Inline 4 (Chevy II, pre-Iron-Duke - includes the Vortec 3000/181 industrial/marine crate motor) Detroit Diesel V8 6.2L and 6.5L; Duramax V8; Generation III V8s with modifications. These modifications include ...