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
Piston Ring, Engine
Piston Ring Gap And Groove ClearanceRing Gap:
Top Compression Ring
0.40 - 0.55 mm (0.015 - 0.021 in.).
Second Compression Ring
0.24 - 0.51 mm (0.009 - 0.020 in.).
Oil Control Rails
0.15 - 0.66 mm (0.0059 - 0.0259 in.).
Side Clearance:
Top Compression Ring
0.04 - 0.09 mm (0.001 - 0.0035 in.).
Second Compression Ring
0.04 - 0.08 mm (0.001 - 0.0031 in.).
Oil Ring Rails
0.06 - 0.21 mm (0.002 - 0.008 in.).