LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jaguar >> 1982 >> XJ-S V12-5.3L >> Repair and Diagnosis >> Maintenance >> Tune-up and Engine Performance Checks >> Compression Check >> Specifications
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Compression Check: Specifications


NOTE: The cranking speed must not drop below 300 rpm and the throttle must be wide open.

Compression Pressure 200-220 psi
Differential between cylinders 10 psi (max)