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

Piston: Specifications

Piston Used Piston Clearance (41 mm from Top of Piston) 0.0020-0.0036 in
New Piston Clearance (41 mm from Top of Piston) 0.0004-0.0020 in
Piston Ring Groove Depth Top Compression 0.158-0.163 in
2nd Compression 0.0166-0.171 in
Oil Control 0.150-.155 in
Piston Ring End Gap Top Compression 0.010-0.018 in
2nd Compression 0.023-0.033 in
Oil Control 0.010-0.030 in
Piston Ring Side Clearance Top Compression 0.0013-0.0031 in
2nd Compression 0.0013-0.0031 in
Oil control 0.0009-0.0079 in
Piston Ring Width Top Compression 0.0463-0.0471 in
2nd Compression 0.0581-0.0589 in
Oil Control 0.073-0.079 in
Piston Pin Diameter 1 0.8659-0.8661 in
Clearance in Piston 0.00008-0.00051 in
Fit-ln-Rod (Clearance) 0.0003-0.0009 in