Oil filter for '96 502 efi
 

My new boat has a beefed up 502 efi, and the previous owner was running a Wix oil filter instead of the merc. Any reason for this, should i just go with the readily available merc?

Re: Oil filter for '96 502 efi
 

The filter that is on it now is a Wix Racing p/n 51061R. I was at Farm and Fleet checking out the price of the Mobile 15W-50 and also saw that Mobil has a extended performance oil filter, P/n i saw was something like MI-301. Anyone run either of these or have any info on these filters........

Re: Oil filter for '96 502 efi
 

I have a pair of '96 502 MPI's, and I run the Mobil 1 filters. There are 2 that will work, the M1-111 or the M1-302. The 302 is much bigger, but there is not enough room on mine to use them so I use the 111. They are great, and you will be amazed at how clean the oil stays. BTW, the 301 will NOT work (different threads).

Re: Oil filter for '96 502 efi
 

Can these filters be mounted upside down? I thought the Merc. filters had a check valve in them that kept the oil from draining back since they are inverted.

Re: Oil filter for '96 502 efi
 

how's the filter going to drain if it's upside down. It will always stay filled.

Re: Oil filter for '96 502 efi
 

Gravity if there is no check valve. It will drain back through your lines/pump and into the pan.

Re: Oil filter for '96 502 efi
 

The M1-302 has the advantage that it uses a synthetic filter element. It won't swell up like paper elements and cut off filteration if there is moisture in your oil.

Re: Oil filter for '96 502 efi
 

I don't agree with this, if the pick-up for the oil filter was at the bottom, then i can see that. My opinion, unless someone has proven this happens. I'd like to prove it myself, but i need to run the motor before changing the oil to day, otherwise i'd unsrew the wix filter i have and see how much oil is in it, i'm pretty sure i've read on here that the wix racing doesn't have a check valve either.