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My Bypass Oil Filter Installation Strategy

Maven

New member
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Location
Utah
Newbie here, need help checking my installation strategy for a bypass oil filter with my M35A2.
I saw the centrifuge installation, however I was informed to NEVER use the turbo return line to return a bypass oil filter. Can someone verify if the recommended installation has been done before:

Oil Pressure for My Bypass Filter:
• I didn't want to use the oil pressure source - on the oil cooler - seen in the centrifuge installation because I was informed that could be used for a pre-lube pump system in the future (which I am also planning on working on).
• Instead I will use a tee fitting to tee off the oil pressure sending unit. This is my oil pressure line to my bypass oil filter.

Oil Return Strategy:
• The oil will be returned through a 1" 18UNS threaded fitting that will replace my oil drain plug. There is a gasket in the original plug that will be removed and used with my fitting (or with steel washer system).

I was informed that the installation is "easy as that" and I only need to worry about running the hoses correctly and using thread sealant.

Mounting the Filter:
• I actually need some help coming up with ideas for where to mount this filter. The filter can work in any position (sideways and even upside down) and comes with a bracket.
- The housing size is 4.5" wide and 6.25" inches tall.
– The bracket is 4.88" wide and 3.25" tall, and it allows me to swivel the filter in any direction within 90 degrees - it can also be mounted upside down.

Has anyone ever installed a bypass oil filter before? I would love to see an installation.

Thanks in advance!
 

Maven

New member
4
1
1
Location
Utah
Found the plug size details:

This oil drain plug should be 7/8-18 UNS on the threads.
This list below is all the specs for this plug. Those first 4 letters don't mean anything, they just have to copy from the data page when I do it.

AAJD Thread Class 3A external
AAJF Thread Direction Right-hand external
AASA Thread Length 0.480 inches nominal external
AASU Head Height 0.180 inches nominal
ABHP Overall Length 0.660 inches nominal
AHNC Connection Style Plain
AJFC Body Core Diameter 0.530 inches nominal
AJFD Core Depth 0.500 inches nominal
AJFE Washer Face Diameter 1.120 inches nominal
AJFF Washer Face Thickness 0.020 inches nominal
CMLP Thread Quantity per Inch 18 external
CQJX Nominal Thread Size 0.875 inches external
CQRB Seat Angle 30.0 degrees
MATT Material Steel comp 1112 overall or steel comp 1113 overall or steel comp 1115 overall or steel comp 1116 overall or steel comp 1117 overall or steel comp 1118 overall or steel comp 1119 overall or steel comp 1120 overall
MDCL Material Document and Classification Sae assn std single material response overall
STYL Style Designator Plug, machine
THSD Thread Series Designator Uns external

For those interested you can also add an EZ drain valve to make oil changes easier. The EZ drain plug compatible with this vehicle is under product # EZ-208
 

Maven

New member
4
1
1
Location
Utah
For anyone who is interested, I finalized my installation strategy:

• Bypass Oil filter brand im using is Insane Diesel Extreme2 Universal Kit
• Oil pressure will be supplied by tee-ing off the oil pressure sensor, returning the oil sensor at the end of the tee fitting, using the center tee fitting port as the oil supply for the bypass oil filter. Oil sensor is 1/4NPT thread.
• Oil return will be done by returning the oil through a low profile fitting system on the oil drain plug. Will be using a 7/8-18 UNS reducer fitting to M11X1.5 female. An elbow M11X1.5 to 06AN completes the oil return system as the 06AN connects to the oil return hose.

An alternative option for oil return would be to weld an 06AN male fitting to the oil filler cap, the bypass oil filter increasing oil capacity so that it's a closed looped system and returning the oil this way shouldn't cause any problems.

I'm also looking into connecting an oil cooling system next.
I'll update photos soon!
 
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