Widening Camshaft Bearing Bores (Repair Size)

Specifications
Standard Size:
Camshaft: 29.947 - 29.963 mm
Cylinder Head: 30.000 mm - 30.021 mm
Repair Size:
Camshaft: 30.434 mm - 30.450 mm
Cylinder Head:: 30.500 mm - 30.525 mm
Surface Finish, Camshaft Bearing Bores:
Peak-To-Valley Height:0.001 - 0.004 mm
Permissible Difference In Shape Of Cylinder: 0.012 mm
Permissible Misalignment Of 1st and 7th Bearing Bore: 0.040 mm
Bearing Play:
Radial 0.035 mm
Axial: 0.06 - 0.21 mm

CAUTION: When performing repairs, camshafts with an oversize of + 0.5 mm should be used for reconditioned engines with + 0.5 mm camshaft bearing bores.

NOTE: If bearing seizing or severe scoring is present, the camshaft bearing bores can be widened by 0.5 mm and a camshaft with oversized bearing journals installed.