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I'm definitely going to try some kind of piston soak. I have nothing to lose. What's so puzzling is this car runs so well. I get great gas mileage, there no valve noise or pinging. Doesn't smoke. I have plenty of power and no check engine light pertaining to a bad cylinder or anything like that...

Originally Posted By: friendly_jacek Actually, it's not bad at all for 1998 1ZZ-FE. How many miles? City or hwy? What oils did you use and what OCIs? There was supposed to be a 2 in front of the quarts. If I put a lot of highway miles when driving to and from my girlfriends house (110 miles...

Originally Posted By: sprintman 2 bottles Auto-Rx Plus in a non ester oil (new filter) and run it 6-8,000 miles. If the engine runs cold fix that first. My engine has never ran cold. It actually warms up pretty quickly. So your suggestion is t add the Auto RX to some new motor oil and run it...

Originally Posted By: friendly_jacek This was my experience with the oil thirsty 1ZZ-FE: http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2487632 Plenty of room for experimentation. Good luck. Glad to see someone else with my issue and the same motor. So after reading...

Ok I need to update from my original post, and clarify some statements. I was typing on the cell phone and got ahead of myself in some places. I burn TWO quarts every 1000-1500 miles. If I stay in my daily commute to and from work which is flat, 8 miles one way going 55 mpgh. I can stretch it...

OK so I have the dreaded 1zz-fe engine from Toyota in my 1998 Corolla. It seems to be standard internet knowledge that these motors have some issues with the piston rings gumming up and allowing some oil blow through, thus causing high oil consumption. Mine isn't as bad as the worst. I used...

Thanks for all the input guys. I am going to take the chance and extend my OCI. I am going to have this oil that is in it tested when I change it here very soon. I have read that Blackstone and Polaris are the two best options. I can have it analyzed here at work for free but cannot get a TBN or...

Originally Posted By: Chris142 Is the car still under warranty? yes 5yr/60k b-2-b and 10yr/100k powertrain

I have never had a UOA done, so I am actually looking forward to it. Oil filters were one area I was looking for some input. Are there specific "extended performance" oil filters? Or are your M1, Fram Ultra, Wix/XP capable of maintaining for the mileage.

Hey guys, been lurking on the forum for a while, finally found good reason to join. I have a 2012 Mitsubishi Lancer 2.0L NON turbo. It is my daily driver, with my total commute being around 100-110 miles each day, 5 days a week (90% highway/10% stop n go city). Not counting weekend trips, I have...