Express 1/2 Ton Van V6-4.3L VIN W (1999)
Piston Ring: Specifications
Piston Rings (End Gap Measured in Cylinder Bore) Piston Compression Ring Gap (Production-Top Groove)
0.010 - 0.016 in
Piston Compression Ring Gap (Production-2nd Groove) (Maximum)
0.018 - 0.026 in
Piston Compression Ring Gap (Service-Top Groove) (Maximum)
0.19 in
Piston Compression Ring Gap (Service-2nd Groove) (Maximum)
0.31 in
Piston Compression Ring Groove Clearance (Production-Top Groove) 0.0012 - 0.0027 in
Piston Compression Ring Groove Clearance (Production-2nd Groove)
0.0015 - 0.0031 in
Piston Compression Ring Groove Clearance (Service) (Maximum)
0.0033 in
Piston Oil Ring Gap (Production)
0.010 - 0.029 in
Piston Oil Ring Gap (Service) (Maximum)
0.035 in
Piston Oil Ring Groove Clearance (Production)
0.00 18 - 0.0037 in
Piston Oil Ring Groove Clearance (Service) (Maximum)
0.0039 in
