The Mitsubishi 4G63T utilized in a number of models up till 2006 and was created from 1987 to 2007. The engines are known for being used to power the Mitsubishi Evolution set of cars. By 1987 to 2007, the motor was enhanced but the design never transformed. Three generations of the 4G63T were produced, every time making changes to improve power and efficiency.
The very first generation engines at the Evolution I, Evolution II and Evolution III versions. They had reworked bigger intercoolers, new injectors, intake and exhaust vents, connecting rods that were lighter and turbochargers. The compression has been raised to 8.5:1 from the Evolution one and two versions, and it was also increased in the Evolution III to 9.0:1, that used an even larger turbocharger than previous models.
The next generation engines powered the Evolution IV, Evolution V and Evolution VI models. The major change for this creation was that the cam drive and flywheel were relocated opposite of models. These motors used lightweight pistons and compression ratio was 8.8:1. Except it utilized a much turbocharger, the Evolution V was the same as the Evolution IV.
The third generation was introduced in the Evolution VII and modifications included adding camshafts. Also, a revised intake manifold and a higher exhaust air flow that is improved. Water spray nozzles were placed in front of the intercooler to cool the air that enters it. The Evolution VIII was revised including an upgrade of the intercoolers cooling system making water pipes bigger and by adding a better water pump. There were alterations to decrease engine weight, which included steel connecting rods, new exhaust manifold duty aluminum pistons and a drivetrain. The evolution IX was the model to utilize the 4G63T engine, and it comprised a couple of changes, such as a turbocharger, two bit rings reach spark plugs and variable valve timing.
Both liter is the best known Mitsbishi engine ever produced. Generally referred as 4G63 or 4G63T has been intorduced with JDM Galant VR-4 in 1988. The cast iron block was home made 4 cylinders and 1997cc displacment has been attained by 85 mm bore x 88 mm stroke. Mitsubishi engineers chose to create 4G63T motor along with models nevertheless basic design of this motor didn’t change. 4G63T engines can be broken into three generations.
First Generation 4G63T motors were used in Evo III models and Evo I, Evo II. Compression ratio was increased to 8.5:1 to get 4G63s utilised in Evo I and Evo II versions. The results were 245 hp and 255 hp.
Left side was moved along with the flywheel was moved to right side of the engine bay. This configuration was the opposite of that which was found in production engines. Secondly production motors had lightweight pistons using 8.8:1 compression ratio. Exhaust and intake manifold were also revised for enhanced airflow in and out of this engine. To be able reduce turbo lag a secondary air injection system has been introduced. Along with these modfications, a double TD05 turbocharger was used in Evo IV. 4G63T was making 280hp. 4G63T recieved some upgrades so as to increase engine reliability. These upgrades were normally focused on engine cooling. Cooling stations were added into the pistons, the coolant passing layout was bigger oil cooler is added and revised.
The generation of 4G63T and Third was released with Evo VII in 2001. Like previous generations, 4G63’s third generation came together with some alterations. Valvetrain was now home hollow camshafts intake manifold and low restriction exhaust were utilized to improve airflow. The cooling system for turbocharger was upgraded using water passages that were enlarged and a better water pump. Alterations were concentrated on reducing the engine weight. Forged steel link sticks aluminum pistons, a new exhaust manifold, and also a valvetrain were utilized for this function. The variant of the motor was equipped with Mitsubishi’s variable valve timing system, MIVEC. Besides MIVEC, this model had a revised turbocharger, extended reach spark plugs, rings that are two-piece. Evo IX was the previous Lancer Evolution model.
Also referred to as the Sirius family of engines, the 4G63 is made by Mitsubishi to be used in a wide assortment of applications. For example, this engine has been used in Plymouth, Mitsubishi, Dodge, Eagle and Hyundai vehicles. More importantly, this engine is famous in the U.S. market for its usage in the Mitsubishi Eclipse and Lancer Evolution. Although 4G63T motors and the 4G63 were used at a laundry list of automobiles since 1981, it was recognized for the power it generated in the Mitsubishi Lancer Evolution.Share this