Recent content by Haxir

Originally Posted By: BrocLuno OK, a few things to consider. 1.) Bigger turbo means higher incipient cylinder pressures. And along with the revised programing to keep the fuel in the right ratio when injected, will likely lead to fuel dilution issues with the oil. 2.) Who ever said Redline...

Originally Posted By: SonofJoe Ah! Now I understand (I think?). It sounds like the original problem with turbo leakage/smoking exhaust is NOT an oil related problem at all and simply a case of bad physics (if the boost is too high and the PCV system is undersized, then crankcase pressure...

Originally Posted By: JFAllen Everyone has their own 'best oil' (Shell helix Ultra since you asked, AKA: Pennzoil platinum in N.A, since it's the only oil with a single source of base oil. The Pearl GTL plant) Now in your case, -Ensuring that the turbocharger is receiving the correct oil...

Originally Posted By: SonofJoe Okay. I know a lot about oil but my mechanical skills are bloody awful so you're going to have to help me to help you. When you're designing an engine oil, you primarily design it for the crankcase; not the turbo. There are a couple of oil tests that notionally...

I drive a 2008 Mazdaspeed 3, a turbo charged 2.3L direct injected gasoline car. I have since heavily modified the car, but the point of this post is very simple: What is the BEST syn oil for this platform?? To give a little back story, these cars from the factory had a big problem with the...