I have a turbocharged lancer evolution and have been using esters-based engine oil like Motul or Redline from day 1. My understanding of these oils is that it keeps the oil 'plated' to metal surfaces thereby keeping these surfaces clean from sludge. Would using ARX to further clean the engine be effective given the properties of such oils? Would esters-based engine oil be a good carrier of ARX?
p/s I am not comfortable with going to mineral oil just to use ARX as my turbo is oil cooled as well.
While I don't see an issue with the cleaning end of the process, the rinse phase may take longer with something like Redline. Redline, irrc, uses one of the components of Auto-Rx as its base stock; polyolester (POE). This is the cutting agent/carrier in Auto-Rx. There shouldn't be any issues there.
You should be able to get the extended benefits you seek by using Auto-Rx in process, so to speak. Ester oils tend to handle heat better than most. They also tend to have excellent deposit control. You're probably looking for assured de-coking in the turbo and perhaps the rings. That typically occurs in the front end of the cleaning process.
Yes, I am indeed trying to make sure there's no sludge buildup at all within the engine and especially in the turbo as its a ball bearing turbo and any disruption to the oil supply will kill it quickly.
Auto-Rx will work with a non synthetic oil and reduce temperature as good or better than an esterfied oil in the basic engine and the turbo also. While i know this is a bold statement look at how your current oil :plates" the metal thats fine it is even better when that metal has been cleaned first.
You may consider a GroupII, GroupII+, or Group III product just for the rinse phase. There are plenty that will endure anything you throw at them for 3000 miles. Rotella T synthetic 5w-40 is one such product. Suited for high turbo temps.
This is all wrapped around getting maximum value out of using Auto-Rx.
You're doing this action in a prophylactic manner, and it's a good one to perform. If you have the means, I'd cut open the oil filter from the clean phase. You may be able to see "grit". That will be the disrupted coke formations in the rings and the turbo. Redline and the like tend to take longer to form these deposits, but all oils will do this. It's just a matter of how long.
-- Edited by geeaea on Tuesday 10th of November 2009 05:18:07 PM
I do not have access to Rotella here. Does anyone knows whether Elf Excellium SM is a group III oil? I searched on the net and some are saying that its a group III.
I can't get an MSDS from the Elf site. It appears that the English version doesn't want to come up. What nation are you in?
Wait, looks like it can be found
Chemical nature : Petroleum-derived severely refined mineral-base product, in which the polycyclic aromatic hydrocarbons (PCA or PAH) content, measured by IP 346 is less than 3%
Substances presenting a health hazards: EC No. CAS No Content Symbol(s) R-phrases
