W-series Component Interchangeability Information

In certain combinations, some MODIFIED engine components can be installed on NON-MODIFIED VG30 ENGINES (production prior to April, 1987) as shown in the following chart. However, NON-MODIFIED ENGINE COMPONENTS CANNOT BE INSTALLED ON MODIFIED VG30 ENGINES (production starting April, 1987).  Use the chart below to determine proper component combinations.

1. Refer to Parts Microfiche for complete application information.
2. Modified short engine can be used in place of non-modified short engine in conjunction with the cylinder head/head gasket combinations shown as acceptable in chart on page 4/6. Also, the crank pulley must be changed as indicated below:Truck, Pathfinder, 200SX, Maxima, and 300ZX (except 300ZX prior to 9/86 production), must use the modified crankshaft pulley, bolt and washer shown in the chart on page 6/6.
   
   300ZX Non-Turbo prior to 9/86 production requires crankshaft pulley (P/N 12303-12G01, bolt (P/N 12309-16V00) and washer (P/N 12308-77A00). 300ZX Turbo prior to 9/86 production requires crankshaft pulley (P/N 12303 5320), spacer (P/N 12308-V5321), bolt (P/N 12309-16V00) and washer (P/N 12308-77A00).
3. Modified parts can be used in place of non-modified parts in combinations shown as acceptable in chart on page 4/6.

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