I'm hearing two different stories about this. One is that its better because more oil and filtration is available with a larger filter, the downside i'm hearing is that a larger one affects the flow rate. I heard the oil pump is designed for a specific filter size and a larger one can disrupt the flow and pressure.

what gives? anybody know

 

Bigger is better, period!!

 

Are you planning to use a filter the size of a milk jug or something? Yeah that might be a little overkill.

 

I'm not an engineer, but I don't understand how with everything else being equal, a larger filter can (adversely) affect the flow rate or (oil) pressure. If anything, the larger filter should continue to be effective for longer intervals.

Be careful, however, as filters of different p/n's can be very different inside...just because it will screw on-to the vehicle doesn't mean it's the proper filter. For instance, not all filters from the same mfgr contain anti-drain-back valves. Another potential difference is that the internal by-pass valves may be calibrated for different pressures in order to open. These two features are extremely important.

Bottom line is to do your research before deviating from what the mfgr recommends. Afterall, the folks who designed your engine and who spec'ed the filter probably do have engineering degrees...

 

hahaa. no milk jug sized filter just the oversized m1-105. Sounds like itwon't be a prolblem.

 

I have used the M1-105 on my 02 Max since day one. No issues. Waiting for my first UOA (6k miles) to come in.

Pedro

 

Yeah, same here, been using them since day one, what kinda oil are you using?

 

I am using Amsoil S2K 0w30. Expensive, but so far after 6K miles I have noticed lower temps, more get and go, and gained 1 mpg which amounts to a tankful of gas over 7.5k miles. My goal is to change it every 7.5 to 8k miles. Just waiting for my UOA to get back to see how far I can go.

Pedro