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What's New:

5/2/07 1989 300zx FSM now Available. See Reference Section

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09/12/07 Added: VLSD Installation and Creating Hybrid Halfshafts

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W- series Crankshaft, Pulley, Bolt & Washer Differences

On the W-series motors, the crankshaft front tip was lengthened by 18.7 mm (0.736) in. See illustration (*1). The crankshaft pulley width was also increased by 13.6 mm (0.535 in.) as shown (*2).

The pulley bolt was changed from M12 to M14, and the washer inner and outer diameters were increased. (See illustration.)

You can use a non W-series pulley on the W-series crank but a spacer must be used. Nissan part # 12308-V5321 was designed just for this purpose.

Sources Used on This Page: 1988 Nissan 300ZX Factory Service Manual, Nissan Technical Service Bulletin Number TS87-191 Date: December 28, 1987