The 4G63 JDM engine was originally manufactured by Mitsubishi. It is a part of the 4G6 family of inline four-cylinder engines known as Sirius 80. The engine was designed for the Mitsubishi Lancer and Galant. The most widely used 4G63 JDM engine is the 4G63T turbo engine. The 4G63T is the engine used by most Lancer Evolution models. The engine has undergone many changes from its introduction in 1987 to 2007.
The 4G63T engine can be purchased aftermarket, as of late 2010. Completed or incomplete versions can be purchased online. The performance of the 4G63T engine can be improved if the proper adjustments are made. It was specifically designed to be tweaked and adjusted for performance purposes. After all, the engine was used by cars in the World Rally Championship arena. The installation and adjustments of the engine should be done by a professional.
The 4G63T engine works with an all-wheel drive (AWD) manual transmission. The horsepower and torque specifications can vary greatly depending on whom you ask and which generation of 4G63T engines they are talking about. The torque is thought to be 214 ft-lb. at 3,000 rpm. The horsepower for the engine is said to be 210, but that number is misleading. The range for horsepower is anywhere from 210 to 400. But these numbers can be improved with the proper adjustments.
The 4G63T engine has a displacement of 1,997 cubic centimeters, or 2.0 liters. The engine has a bore of 3.35 inches and a stroke of 3.46 inches. The compression ratio for the engine is 8.8 to 1. The 4G63T is a cast iron short block. The inline engine has a double overhead camshaft (DOHC) configuration. It has a pent-roof-type combustion chamber. The throttle’s bore measures 2.36 inches. The 4G63T engine has a total of four cylinders and 16 valves.
The 4G63T uses a pressure-fed, full-flow filtration system for lubrication. The engine has a water-cooled, forced-circulation cooling system. It has an involute gear type oil pump. The engine uses a centrifugal impeller type water pump. It uses four electromagnetic injectors. The fuel-regulated pressure for the engine is 36.6 psi. The engine uses an electronically controlled multi-point fuel injection system.
