Range Rover (LH) V8-3.9L (1989)
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Piston: Specifications
Pistons clearance in bore measured at bottom of skirt at
right angles to piston pin .................................................................................................................................... 0.018-0.041 mm (0.0007-0.0016 in)
Number of compressions rings ............................................................................................................................................................................................ 2
Number of oil control rings ................................................................................................................................................................................................. 1
No. 1 compression ring ................................................................................................................................................................ Molybdenum barrel faced
No. 2 compression ring ...................................................................................................................................................... Tapered and marked 'T or 'TOP'
Width of compression rings ............................................................................................................................................... 1.478-1.49 mm (0.058-0.059 in)
Compression ring gap .......................................................................................................................................................... 0.40-0.65 mm (0.016-0.026 in)
Oil control ring type ....................................................................................................................................................................... Hepworth and Grandage
Oil control ring width ............................................................................................................................................................................... 3.0 mm (0.118 in)
Oil control ring gap .............................................................................................................................................................. 0.38-1.40 mm (0.015-0.055 in)
