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A lot of times, the DSM newbies don't know exactly what type of engine they have. So if you are unsure, this will help you out!
Talon, Eclipse, Laser (TEL)
1990-1994 (First Generation)
If your DSM is a 1990-1994, you will have one of 3 engines. The 4G63, 4G63T, or the 4G37.
4G63- The 4G63, is found in the 2.0L DOHC non turbo (NA- Naturally Aspriated) cars.
4G63T- The 4G63T, is pretty much the same engine as the NA 4G63, but it is turboed. There are a few differences between these engines. Oil squirters and pistons to name a couple and obviously one has a turbo and the other does not.
4G37- The 4G37, is a 1.8L, SOHC engine.
1995-1999 (Second Generation)
Again, there are 3 different types of engines in the 2nd generation DSM's.
4G63T- Same as the 1G 4G63T with minor differences and is turboed too.
420A- The 420A is the non turbo DOHC. Completely different than the 4G63. Basically, just the opposite. Everything on the engine is reversed/on the opposite side. This engine is also found in the Dodge Neons, Dodge Avengers, and Chrystler Sebring's.
4G64- The bottom end of the 4G64 shares some parts and similarities with the 4G63. Although, the 4G64 has a SOHC head. This engine is in most of the Mitsubishi Eclipse Spyder's.
Talon, Eclipse, Laser (TEL)
1990-1994 (First Generation)
If your DSM is a 1990-1994, you will have one of 3 engines. The 4G63, 4G63T, or the 4G37.
4G63- The 4G63, is found in the 2.0L DOHC non turbo (NA- Naturally Aspriated) cars.
4G63T- The 4G63T, is pretty much the same engine as the NA 4G63, but it is turboed. There are a few differences between these engines. Oil squirters and pistons to name a couple and obviously one has a turbo and the other does not.
4G37- The 4G37, is a 1.8L, SOHC engine.
1995-1999 (Second Generation)
Again, there are 3 different types of engines in the 2nd generation DSM's.
4G63T- Same as the 1G 4G63T with minor differences and is turboed too.
420A- The 420A is the non turbo DOHC. Completely different than the 4G63. Basically, just the opposite. Everything on the engine is reversed/on the opposite side. This engine is also found in the Dodge Neons, Dodge Avengers, and Chrystler Sebring's.
4G64- The bottom end of the 4G64 shares some parts and similarities with the 4G63. Although, the 4G64 has a SOHC head. This engine is in most of the Mitsubishi Eclipse Spyder's.
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