Are there any problems with the Mitsubishi 4G64 engine?
However, 4G64 are produced even today, but mainly for Chinese cars. Mitsubishi 4G64 engine problems and malfunctions. Since this engine is nothing more than an enlarged 4G63, the problems of these engines are similar. It is very reliable, but it has problems with rough idle or vibrations, you can read about them in detail HERE.
What’s the compression ratio on a Mitsubishi 4G64?
The compression ratio of these engines is 8.5:1, and the power is 112 HP at 5,000 rpm, the torque is 183 Nm at 3,500 rpm. The cylinder head was later replaced by a 16 valve SOHC and the compression ratio increased to 9.5.
How often do you change timing belt on 4G64?
All of these 4G64 heads are equipped with hydraulic lifters and you don’t have to worry about valve adjustment. In all these engines, a timing belt is used that needs replacement at least once in 60,000 miles (90,000 km).
How tall is the crankshaft on a Mitsubishi 4G63?
Its deck height is 229 mm. Inside the block, there is crankshaft with a piston stroke of 88 mm, 150 mm conrods, and 85 mm pistons with a height of 35 mm. As a result, we have 2 liters of displacement. First, this block was covered with an 8 valve SOHC head; it was later replaced by a 16 valve SOHC, and in 1987, 16 valve DOHC heads were launched.
However, 4G64 are produced even today, but mainly for Chinese cars. Mitsubishi 4G64 engine problems and malfunctions. Since this engine is nothing more than an enlarged 4G63, the problems of these engines are similar. It is very reliable, but it has problems with rough idle or vibrations, you can read about them in detail HERE.
The compression ratio of these engines is 8.5:1, and the power is 112 HP at 5,000 rpm, the torque is 183 Nm at 3,500 rpm. The cylinder head was later replaced by a 16 valve SOHC and the compression ratio increased to 9.5.
All of these 4G64 heads are equipped with hydraulic lifters and you don’t have to worry about valve adjustment. In all these engines, a timing belt is used that needs replacement at least once in 60,000 miles (90,000 km).
Do you need a DOHC head for a 4G64 engine?
Instead, you need a G4JS DOHC head — such engines were installed in the following cars: The G4JS engine is an analog of your 4G64, but with a DOHC head. In addition to the head, you will need the entire intake and exhaust system.