View Full Version : What Oil / Filter do I need?
Have the Indmar 5.7 325 Assault. Is it the Pennzoil 15w40 that's recommended? How many quarts do I need? 5?
Anyone have the filter part number?
Gracias!
kennyk69
08-07-2014, 07:36 PM
I just ran the filter info down last week...........Purolator L15315 or Mobil M1-111 or NAPA 7099 (Napa is WIX).
freeflyernc
08-07-2014, 08:22 PM
I have a 2005 21v with the same motor. I use Mobile 1 15w-50 synthetic. I have used the same oil for the last 900 hours and it holds up great. I use a FRAM PF5 filter- it is the oversized one for big trucks. It should almost exactly 5 quarts.
Mike
kennyk69
08-08-2014, 06:32 AM
I believe the taller Fram is a PH5......and if you have no clearance issues it's virtually the same with a slightly thicker gasket and taller body.
In terms of flow, filtration, and design there are some reasons to consider brands other than Fram. A quick youtube search will provide you some insight on the differences......everyone has an opinion, right?!?
michael hunter
08-08-2014, 08:29 AM
I use Mobil 1 15w50 in all my boats . I order Mobile 1 or C&N filters from ebey motors . I buy at leist 6 at a time for under 5 dollars a piece make sure they offer free shipping. I get the oil from Wall Mart 26.00 for 5 qt jug.
Thanks for the info fellas!
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