This is a discussion on ??What oil should I use?? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Originally Posted by dljackson907 Definitely going to try the T6, I already can't wait to do my first oil change ...
I guess I should also ask what the torque spec is for the oil drain plug? Not that it would be to important, but I like to make my torque wrenches feel useful.
I have so much to learn about this WRX :P Thank you sensei
I've heard that t6 was reformulated and now isn't as good for our cars as it used to be. Plus wanting to stick with 5w-30 for warranty I'm leaning towards a soil xl.
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I just used t6 5W40 about a couple of weeks ago. Seems to be doing fine in my 2003 wrx, and it's still pretty cold at night where I live. Car still warms up just fine, less ticking noise as it's warming up.
I do remember reading something on the NASIOC forums about the phosphorus/zinc content in t6 causing premature failure of the catalytic converter, but i don't think there has been any proof that t6 itself is what causes that. Besides, don't most of us wrx/sti owners either have or plan to have catless exhausts anyways? haha.
Here's the link to that forum, it's a little outdated now.
Rotella T6 not good for WRX's? - Page 2 - NASIOC
I decided to use t6 because of all the pro's I've read from it and the fact that the Subaru techs at the dealership recommended that oil. But ultimately, the choice is up to you! Oil is oil is oil.
Has anyone ran Lucas oil before? I run 10w30 in my Chevy prerunner and I wanted to continue running Lucas in all my vehicles but I haven't heard of it in cars just trucks. And to be sure I get the correct capacity after referring the chart, mine would be 3.5 qts (2.0L wrx) I'm still a noob to this car and the import scene in general so sorry for the nooby questions lol I'm used to offroad lifted trucks :3
The 2.0 takes 4,7
WRX Info Links, Courtesy TheJ
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I actually tried Penzoil's new pure plus one oil (made from natural gas) in my subie and it has been wonderful. I check the oil on every other gas fillup and so far I haven't had any decrease in oil level, and it still looks clean. I'm about 1700 miles into the oil now. The nice thing about it also is it comes in 5 quart jugs, so you don't have to buy a 4 quart and a 1 quart so you have enough. Bad thing is it is a bit expensive, about $45 for a jug.
The speed shop I went to (that's conveniently next to the shop I work at) only had one qt of Lucas 5w30 but they had redline so I got that instead. I did talk with them for a little about the whole "running diesel oil" trend and apparently, like I had perceived, it really isn't a good idea because of different metal contents especially zinc. Idk I thought it was of same principal as don't put diesel fuel in a octane engine and don't run diesel oil in a conventional oil ran engine. Maybe I'll try the penzoil next change.