The L86/L87 is an all-aluminum 6.2-liter naturally-aspirated and direct-injected gasoline V8 engine developed by GM for use in pickup trucks and SUVs (Chevrolet Silverado, GMC Sierra, Cadillac Escalade, GMC Yukon Denali, and more).

2025年2月3日 · Peak power production of 420 horsepower occurred at 5,600 rpm, falling just 35 horsepower short of the performance-oriented LT1. The 6.2L L86 EcoTec3 featured cast aluminum engine block and...

The engine is rated at a peak 420 horsepower and 460 lb-ft of torque, which are relatively high output ratings for a naturally aspirated engine that displaces a mere 376 cubic inches. Despite its large size, the engine is rated up to 15 city mpg and 21 highway mpg for 2018 model year trucks.

2021年8月11日 · The L86 is an LT1 engine modified for truck use with a compression ratio of 11.5 to 1. The engine is rated at a peak 420 horsepower and 460 lb-ft of torque, which are relatively high output ratings for a naturally aspirated engine that displaces 376 cubic inches, the result of the engine’s relatively high compression ratio.

2018年2月28日 · The L86 is a Gen. 5, 6.2L, small-block engine powering 2014-present GM trucks and SUVs. They are known as the EcoTec3 6.2L engines. These engines use a longer intake runner than its cousin, the LT1 .

Find information about GM's V8 engine - the 6.2L V8 EcoTec3 L86 - including detailed info and specifications, vehicle applications, and more.

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 .

2013年5月29日 · As such, the L86 is estimated to produce 420 horsepower and 450 lb-ft of torque — the most power and torque of any light duty truck engine. In the 2014 Sierra and 2014 Silverado, the powerplant...

2021年10月11日 · The 6.2L EcoTec3 V8 engine is mostly mated to an 8 or 10-speed automatic transmission, outputting sufficient horsepower of 420 hp and 460 ft-lb of torque. Its strongest lineup has a maximum towing capacity of 13,400 pounds. Here is a quick view of the specs: This is further citing more power as one of its pros compared to the 5.3L.

Allows linear delivery of torque, with near-peak levels over a broad rpm range, and high specific output without sacrificing overall engine response. All-new weight-saving aluminum cylinder block casting. All-new cylinder head design with new port shape and valve placement. Increased compression ratios.