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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
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Description
1684 1966-1980 Chevy GM 366 427 water pumpBig blocks in big trucks need big cooling. We designed the 1684 pump for the 366 and 427 ci blocks. It has an impeller with an increased vane count and a reduced impeller vane clearance to take care of the problem. It achieves greater flow rates, higher head pressure and a more efficient flow. The impeller color is due to Type II Class II military grade surface coating which protects against corrosive fluids. FlowKooler introduced the first hi flow
Big blocks in big trucks need big cooling. We designed the 1684 pump for the 366 and 427 ci blocks. It has an impeller with an increased vane count and a reduced impeller vane clearance to take care of the problem. It achieves greater flow rates, higher head pressure and a more efficient flow. The impeller color is due to Type II Class II military grade surface coating which protects against corrosive fluids.
FlowKooler introduced the first hi flow pumps and continues to improve impeller design. Why is increased flow so important to cooling a hot Corvette engine? Because it has been proven time and time again that reducing the cycle time between the heat source and the heat sink creates more opportunities to shed heat and drop engine temperatures.
From 0-3,300 RPM…Nothing Beats a FlowKooler!
| General Specifications: | ||
|---|---|---|
| Type of Material of Pump Body | Cast Iron | |
| Number of Blades on Impeller | 16 CNC Aluminum | |
| Direction of Rotation | CW or CCW | |
| Fan Hub working height | 6 15/16" "long" | |
| Shaft diamets | 3/4" | |
| Hose Connections: | 1st | 2nd |
| Gender | F | F |
| Diameter | 1" | 3/4" |
| Threaded | Yes | Yes (in bypass) |
| Other Special Features: | ||
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| Parts Contained in Box: | ||
| Mounting Gaskets, By-pass Housing and Gasket,1" to 3/4" Reducer Bushing, 3/8" x 1 1/4" Bolts (2), Installation Sheet, FlowKooler Decal | ||
| Make | Model | Year | Block | CID | Liters |
| chevrolet | c30 pickup | 1966 | V8 | 366 | 6.0L |
| chevrolet | med/hd series 40 | 72-68 | V8 | 366 | 6.0L |
| chevrolet | med/hd series 50 | 72-66 | V8 | 366 | 6.0L |
| chevrolet | med/hd series 50 | 80-69 | V8 | 427 | 7.0L |
| chevrolet | med/hd series 60 | 72-66 | V8 | 366 | 6.0L |
| chevrolet | med/hd series 60 | 80-69 | V8 | 427 | 7.0L |
| chevrolet | med/hd series 65,70,80 | 80-69 | V8 | 427 | 7.0L |
| chevrolet | p20 van | 1967 | L3 | 159 | 2.6L |
| chevrolet | p30 van | 1967 | V8 | 366 | 6.0L |
| chevrolet | p30 van | 67-65 | L3 | 159 | 2.6L |
| gmc | all | 75-79 | V8 | 366 | 6.0L |
| gmc | all | 75-79 | V8 | 427 | 6.0L |
| gmc | series 50, 60, 65 | 66-72 | V8 | 366 | 6.0L |
| gmc | series 50, 60, 65 | 73-74 | V8 | 366 | 6.0L |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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