LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Land Rover >> 1992 >> Range Rover Base >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Service & Adjustment Specifications >> Ignition System >> Spark Plugs
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Spark Plugs

SPARK PLUG TYPE

Application Champion No.
3.9L V8
8.13:1 Compression Ratio RN12YC
9.35:1 Compression Ratio RN9YC
SPARK PLUG SPECIFICATIONS

Gap In. (mm) Torque Ft. Lbs. (N.m)
0.033-0.038 (0.84-0.96) 15 (21)
scientia non olet · About LEMON Manuals