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SMALL BLOCK OIL PUMP (4-Bolt cover) |
Fig. 63.1
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Early Z-28 Pump: |
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FLOW: |
9.0 GPM @ 7000 RPM |
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PRESSURE: |
50-55 PSI Max. |
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GEAR to COVER: |
0.0025 to 0.003 |
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GEAR ROTOR: |
7 Teeth per Gear |
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PICKUP to PAN: |
0.250 to 0.375-inch |
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BIG BLOCK OIL PUMP (5-Bolt cover) |
Fig. 63.2
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BIG BLOCK OIL PUMP: |
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MAX. FLOW: |
12 GPM Max. |
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PRESSURE: |
70-80 PSI Max. |
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GEAR to COVER: |
0.0025 to 0.003 |
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GEAR ROTOR: |
12 Teeth per Gear |
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PICKUP to PAN: |
0.250 to 0.375-inch |
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NOTE: A Big Block Pump can be used in a Small Block Engine. |
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