Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

General Engine Data/Specifications

Engine Type L4
RPO Code L34
Displacement 122 Cubic Inch (cu in)
Bore 3.31 Inch (in)
Stroke 3.54 Inch (in)
Compression Ratio 9.7 To 1 (: 1)
Firing Order 1-3-4-2
Compression pressures@ 250RPM STD 190psi
MIN 170psi
Compression Pressure Difference Between Any 2 Cylinders MAX 15 psi