A stout 30 or 40 weights is more than sufficient after break-in. That 5.7 is just a generic product crate engine from the heartbeat of America. At work fuelie vortecs cores come in omc mercury reman crate on contract go out.
-Harvey
I will be honest I use mmo and camguard every service in my marine engines. Only reason they are the only two additives approved by the FFA, that says something.
-Harvey
I will be honest I use mmo and camguard every service in my marine engines. Only reason they are the only two additives approved by the FFA, that says something.
