The L86 is a Gen. 5, 6.2L, small block engine used in GM trucks and SUV's. They are known as the EcoTec3 6.2L engines. These engines use a longer intake runner than it's cousin, the LT1. This helped the L86 produce peak torque 500 rpm sooner than the car version of the 6.2L engine. However, it falls about 35 horsepower behind the LT1 at maximum ...

L86. The L86 is a Gen. 5, 6.2L, small block engine used in GM trucks and SUV's. They are known as the EcoTec3 6.2L engines. These engines are all-aluminum and use AFM, VVT, and are Flex Fuel Capable. These engines are like the LT1 but feature longer intake runners that provide more torque at the cost of peak horsepower. L87

Chevrolet's 5th generation small block engines can be called different names. The car engines are usually known by the RPO code, which starts with the letters "LT".

Notes. Fasteners that list an angle are Torque to Yield (TTY).; The specs listed are for stock fasteners. If you use ARP or other aftermarket fasteners, follow the instructions that came with your new hardware.

Performance Specifications: Compression Ratio: 11:1: Horsepower Rating: 355-380 hp @ 5,600 rpm: Torque Rating: 383-416 ft.-lbs. @ 4,100 rpm

Fastener Location . First Pass Second Pass. Third Pass. Final Pass; Main Caps: Inner Bolts - First step in sequence: 15 ft.-lbs.

Jan 18, 2025 · Engine seizure; Connecting rod breaches in the engine block; Importantly, complainants noted the failures occurred without any warning signs, such as unusual noises or dashboard alerts, making the problem unpredictable.

L92. The L92 was introduced in 2007 for GM luxury pickups and SUVs. It was the first 6.2L LS truck engine. It was commonly known as the Vortec 6200.

LY6. The LY6 was introduced in 2007. It replaced the LQ4 and LQ9 as the Vortec 6000. Along with the LY2, LY5, and LMG, it was one of the first 4th generation, LS truck engines.

Notes. Stock-style cylinder head bolts are Torque to Yield Fasteners.. NEVER reuse old TTY bolts. 2003 and earlier blocks use 155.5mm long bolts in holes #1-8 and 101mm long bolts in holes #9-10.