Vanden Plas L6-4.2L (1982)
Crankshaft: Specifications
General
Material ...................................................................................................................................................................................................... En 16. 18 or 111
Number of main bearings .................................................................................................................................................................................................... 7
Main bearing type ..................................................................................................................................................................................... Vandervell VP2C
Journal diameter ....................................................................................................................................................... 69.85 - 69.86 mm (2.7500 - 2.7505 in)
Journal length (over 3/32 in radii)
Front ........................................................................................................................................................................... 39.69 ±0.254 mm (1.562 ±0.10 in)
Center
mm ............................................................................................................................................................................................ 34.925 +0.025 -0.013
inches ......................................................................................................................................................................................... 1.375 +0.001 -0.0005
Intermediate
mm ......................................................................................................................................................................................................... 30.96 ±0.051
inches .................................................................................................................................................................................................... 1.2188 +0.002
Rear ................................................................................................................................................................................................ 42.86 mm (1.6875 in)
Thrust taken .............................................................................................................................................................. Center main bearing cap, half washers
Thrust washer thickness ................................................................................................................................................... 2.31 - 2.36 mm (0.091 - 0.093 in)
Permissible end-float ....................................................................................................................................................... 0.10 - 0.15 mm (0.004 - 0.006 in)
Width of main bearing
Front ......................................................................................................................................................................... 34.54 - 34.93 mm (1.360 - 1.375 in)
Centre ....................................................................................................................................................................... 28.32 - 28.70 mm (1.115 - 1.130 in)
Intermediate ............................................................................................................................................................... 24.81 - 25.40 mm (0.98 - 1.000 in)
Rear .......................................................................................................................................................................... 34.54 - 34.93 mm (1.360 - 1.375 in)
Diametrical clearance ........................................................................................................................................... 0.0203 - 0.0635 mm (0.0008 - 0.0025 in)
Crankpins
Diameter ............................................................................................................................................................ 52.984 - 53.00 mm (2.0860 - 2.0866 in)
Length .............................................................................................................................................................. 30.158 - 30.181 mm (1.1873 - 1.1882 in)
Regrind undersize ................................................................................................................................................................................... 0.51 mm (0.020 in)
Minimum diameter for regrind ............................................................................................................................................................ - 0.51 mm (-0.020 in)
