Quote:
Originally Posted by spdbrake
I agree Brian.
I have noticed quite a few filter manufacturers are making filters without bypass valves Fram and Wix for example. Not all applications mind you but it does give a viable option for folks who don't feel the need for them as clogged filters are more a thing of the past.
I guess in theory you could see an increased oil pressure over what the cold oil reading your used to IF the filter bypass was kicking in help in the past. Since the oil pump pressure regulator is doing all the work it was designed for. |
Wix has a good filter look-up system at
WIX Filters - Products Catalog Home
The standard Ford filter is a Wix 51515. When you look at its specifications you'll see the bypass valve is 8-11 PSI.
Product Specifications
Part Number: 51515
UPC Number: 765809515154
Style: Spin-On Lube Filter
Service: Lube
Type: Full Flow
Media: Enhanced Cellulose
Height: 5.197 (132mm)
Outer Diameter Top: 3.661 (93mm)
Outer Diameter Bottom:
Closed:
Thread Size: 3/4-16
By-Pass Valve Setting-PSI: 8-11
Anti-Drain Back Valve: Yes
Beta Ratio: 2/20=6/20
Burst Pressure-PSI: 290
Max Flow Rate: 7-9 GPM
Nominal Micron Rating: 21