The Curb

[TheRktmn]

Here's a quick tip for using a larger oil filter on Ford V8s:
If you currently use the standard FL1-A1 1 quart oil filter, you can also use the larger 'truck' filter that Ford used on the '89 F700 429 truck engine. The FL1-A1 is ~4.75" long the truck filter is ~6.4".
The truck filter has the same bypass valve pressure (8-11 psi) and flows 7-9 gpm but holds roughly 50% (13 oz) more oil.
Manufacturer specs on the FL1-A1 vary between 4 gpm and 7 gpm, but the truck filter is rated at 7 or better for all manufacturers.

Large filter part numbers:

• Wix 51773
  
• NAPA 1773
  
• Purolator L40017
  
• Fram PH977A
  
• Motorcraft FL299
  
• FleetGuard LF697
  

The cost of the larger filter seems to vary from $6 to $11 depending on brand and retailer. The Fleetgaurd name is generally used on heavy trucks and farm equipment and seems to be the best priced. If you have a truck stop / service center near by you may find them there. The more common names can be found at most auto parts stores such as Advanced Auto Parts and NAPA.
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Bob
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