Melling M-68HV
High-volume wet-sump oil pump delivering approximately 25% more volume at standard pressure for Ford 221–302 Small Blocks.
Melling M-68HV is a high-volume wet-sump oil pump for Ford 221, 255, 260, 289 and 302/5.0 Small Block Windsor engines. It retains standard relief pressure while delivering approximately 25 percent more oil volume than the standard pump.
Application / fitment
- Ford Small Block Windsor 221 CID / 3.6 L
- Ford 255 CID / 4.2 L
- Ford 260 CID / 4.3 L
- Ford 289 CID / 4.7 L
- Ford 302 CID / 4.9–5.0 L, including selected 5.0 EFI engines
- selected 331/347 stroker engines based on a 289/302 block after pan and pickup verification
A high-volume pump is not automatically suitable for every stock engine. Consider bearing clearances, oil-pan capacity, intended use and the risk of pumping the pan dry at high rpm. Do not apply it to a 351W without specific design verification.
Technical information
- type: wet-sump gear oil pump
- volume: high volume
- additional volume over stock: approximately 25%
- pressure: standard pressure
- housing and cover material: cast iron
- gear material: steel
- mounting holes: 2
- pickup-tube connection: 0.630" / 16.0 mm
- intermediate drive shaft: included
- gasket: included
- pickup screen: not included
- mounting bolts: not included
- sales unit: 1 pump
Prime the pump with oil or suitable assembly lubricant before startup and pre-lubricate the engine. Verify pickup-to-pan clearance and use a suitable drive shaft for the application.