Quote:
Originally Posted by CBRich
Early oil changes have shown some insolubles and particles so changing around 1000 probably isn't a bad idea. A lot of people also think running a little longer with a dino oil to let the piston rings fully seat is a good idea. I haven't seen this proven one way or the other but it couldn't hurt to play it safe.
My plan is to change at 1000 with Nissan Ester Oil and the Amsoil filter. After that I will change around 4000 with Amsoil full synthetic and Amsoil filter. That's just my plan. Playing it a bit safe with the piston ring seating and then going top quality from there.
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EAO-12 vs: EAO-13... You are less than a 1/10th of a qt and probably closer to less than 2 ounces as the filter media is taking that extra space up. I would take a look at either the AMSOIL Filter Relocation Kit or if you have the room, a by-pass kit... Talk about added filtration, more oil capacity and oil cooling. If there is room, right up behind the front bumper is an Excellent spot.
I am all for early oil changes. Only the unknowing (especially at Dealers) will pass what I whileheartedly believe is a vital step.
As far as 'Break-in", it has been shown that there is very little break-in today due to modern machining and materials. That initial change interval is necessary to get machining and casting debris out of the engine.
Although Ester oils are very good (Ester is Synthetic) performance tests show that the PAO w/Esters are better performers. The Esters are necessary to polarize the oil, that is why some less expensive PAO's may not a wise choice. Additives are costly.
Ester based oils seem to attract a little more moisture than PAO's and are more expensive.
Doc