Home/Opel/Calibra/Opel Calibra I (1990-1997)/Repair manual/OHC Petrol Engine/Technical Data Cylinder Grinding and Piston Dimensions
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Technical Data Cylinder Grinding and Piston Dimensions Opel Calibra I

Crank Drive, Cylinder Block

Cylinder Grinding and Piston Dimensions

20 NE, C 20 NE, C 20 NEF, 20 SEH
CylinderPiston
SizeCylinder boreCoefficient forRespective pistonCoefficient on
(ø in mm)cylinder bore(ø in mm)piston head
on crankcase
overtooverto
Production1* 85.97585.985885.95585.9658
285.985

85.995

86.005

86.01585.995

86.005

86.015

86.02599

00

01

0285.965

85.975

85.985

85.99585.975

85.985

85.995

86.00599

00

01

02
ServiceOversize
0.5 mm86.46586.4757 + 0.586.44586.4557 + 0.5

* inclusive

.P. B8729.tif66tiff;;

The piston diameter must be measured at "D".