Engine Compression

WARNING: This page is about a different car, the 1989 Isuzu Trooper II and 1989 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.

COMPRESSION SPECIFICATIONS

Application

Specification

Compression Ratio

2.6L

8.3:1

2.8L

8.9:1

Compression Pressure

2.6L

155-157 psi (10-12 kg/cm² )

2.8L

⁽¹⁾ 100 psi (7.0 kg/cm² )

⁽¹⁾	Minimum pressure. Should not be less than 70 percent of highest cylinder.