Material removed

0.07 mm/

0.03 mm/


Advance wheel setting

10 strokes

10 strokes

10 strokes

80 sec. running time

Surface roughness

Approx. 7 - 8 my

Approx. 2 my

Approx. 0.6 - 0.8 my

Approx. 1-2 my

A=lst roughing to d

ia. B=finishing

to dia. C=polishing to dia. D=Lapping

Once honing is finished, the upper 0.5 mm of the remachined cylin- der bores must be champfered to 30°.

1984 Porsche 928 Wiring DiagramPorsche 928 Starter

Before reassembly, thoroughly clean both halves of the crankcase so as to remove all trace of abrasive particles and silicone paste.

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