V90 L6-2.9L VIN 96 B6304S (1998)
Piston: Specifications
Pistons
Piston Replacement Notes:
-
Later B6304 engines have two types of pistons, which differ in terms of their upper compression rings.
-
Version 1 can be replaced by version 2 without having to replace all pistons.
-
Version 2 must not be replaced by version 1.
A = Overall piston height.
B = Height from wrist pin center to crown.
C = Measure piston diameter at right-angles to wrist pin hole at distance "C" from edge of skirt.
D = Piston diameter.
Dimensions A, B and C.
Dimension A: 59.9 mm
Dimension B: 35.9 mm
Dimension C: 16.0 mm
Standard piston diameters:
Piston marked C: 82.98-82.99 mm
Piston marked D: 82.99 33.00 mm
Piston marked E: 83.00 83.01 mm
Piston marked G: 83.017-83.032 mm
Oversize pistion diameter:
Oversize 1: 83.177-83.192 mm
Oversize 2: 83.377-83.392 mm
Piston weight: 360 ± 5 grams
Max. difference in weight between pistons in same engine: 10 grams.
Piston clearance:
Example:
Measured cylinder diameter - 96.03 mm
minus
Measured piston diameter - 96.00 mm
equals
Piston clearance - 0.03 mm
96.03 - 96.00 = 0.03