2.2 & 2.5 engine
Table:
2.2 & 2.5 engine
Manufacturer	Chrysler
Production	1981-1995
Configuration	inline-four
Displacement

2213 cc (135.0 cu in)
2501 cc (152.6 cu in)

Cylinder bore

87.5 mm (3.44 in)

Piston stroke

92 mm (3.62 in)
104 mm (4.09 in)

Block material	Cast Iron
Head material	Aluminum
Valvetrain

Double overhead camshafts
Single overhead camshaft

Compression ratio

8.1:1
8.5:1
8.9:1
9.0: 1
9.5:1

Fuel system

Carburetor
Single-point fuel injection
Multi-point fuel injection

Fuel type

Gasoline
Methanol

Oil system	Wet sump
Cooling system	Water-cooled
Successor

AMC straight-4 engine
Chrysler 1.8, 2.0 & 2.4 engine

Using the given table, determine whether the statement is entailed, neutral, or refuted. Provide the verdict inside {"answer": "YOUR ANSWER"} as JSON.

Assertion: The block material and the head material of the Chrysler 2.2 and 2.5 engines are different.

answer: entailed