LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Geo >> 1990 >> Storm Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications >> Mechanical Checks >> Engine Compression
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Compression

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio
Storm (SOHC) 9.1:1
Storm GSi (DOHC) 9.8:1
Compression Pressure (1) 142-191 psi (10-13 kg/cm2 )
(1) Maximum variation between cylinders is 14 psi 1.0 kg/cm2 ).
scientia non olet · About LEMON Manuals