Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Ring Gap-Top Compression Ring 0.0098 - 0.020 inch
Wear Limit 0.031 inch
Ring Gap-2nd Compression Ring 0.009 - 0.018 inch
Wear Limit 0.031 inch
Ring Gap-Oil Control Steel Rails 0.0098 - 0.025 inch
Wear Limit 0.039 inch
Ring Side Clearance-Compression Rings 0.0011 - 0.0031 inch
Wear Limit 0.004 inch
Ring Side Clearance-Oil Ring Pack 0.0004 - 0.0070 inch
Ring Width-Compression Rings 0.057 - 0.059 inch
Ring Width-Oil Ring Pack 0.107 - 0.1133 inch
Piston Ring Groove Depth No. 1 0.182 - 0.188 inch
Piston Ring Groove Depth No. 2 0.180 - 0.185 inch
Piston Ring Groove Depth No. 3 0.161 - 0.166 inch