How much HP can a 4G63 handle?

Proven Member

Yes the stock internals can handle 400whp. But if you want to then do a full rebuild of everything from the rods to pistons, and ugrade the head with cams and get springs and retainers, also port and polish it.

How can I make my 4G63 faster?

Increasing the 4G63 valve size, doing a bit of 3 or 5 angle valve jobs and porting and head flowing will also increase performance, and significantly will give you increasing the performance increase on other tuning mods.

Are 4G63 easy to work on?

In general, the 4G63 is known as a very reliable engine. Most of them already have a huge mileage near 200,000-250,000 miles (300,000-400,000 km). But the engine is easy for rebuild and repair because the OEM and high-performance parts are available and easy to buy.

How much HP can a stock EVO 8 handle?

The factory Evo 8 ignition system is very easily capable of 500 horsepower, but you will need to switch to colder heat range spark plugs.

How much power can a stock Evo 9 Motor handle?

People tend to keep the WTQ below 400 wheel and you can make 450-500 hp reliably.

What’s the difference between 4G63 and 4G63T?

The one main difference is that the pistons are different . The reasons the pistons are different , is that the 4G63 Turbo has dished pistons to lower the engines compressions , they use the came connecting rods tho. Yu can get a thicker head gasket (many companies make them) to lower the engines compression .

Is 4G63 closed deck?

When you look at it you can see the water passages for the cooling jackets around the cylinders, as such it uses the head to cap off the water jacket. When you look at say the 4G63 or a small or big block chevy you cannot see the water passages thus they are closed deck engines.

What is so special about 4G63?

The 4G63 engine uses a cast iron cylinder block and aluminum cylinder head. The engine block houses a forged steel crankshaft and connecting rods, while the pistons are cast aluminum. They use a timing belt (not a chain) to link the crankshaft to the cam gears. The 4G63 can still be found in production vehicles today.