What are the benefits, if any, of using Lucas Heavy Duty Oil Stabilizer and Liqui Moly Motor Oil Saver?

Asked by Feb 02, 2017 at 11:03 AM about the 2003 Subaru Outback Base Wagon

Question type: Maintenance & Repair

My mechanic also used synthetic oil which caused the car to burn it off quickly and I had to go for another oil change to get conventional put in. Now seems to be running fine but he texted me about these two products today.

* I realize I need to get a new mechanic

8 Answers

118,245

Is it still burning oil? if not then just leave it alone for a while and hopefully it won't develop any oil leaks. The only additive that I used in my old rig was DuraLube due to a worn engine and loss of oil pressure. The Lucas heavy duty is for Big engines like Semi's, never seen liquid Moly in action so I have no opinion on it.

1 people found this helpful.

No it's not burning oil anymore; levels are fine for now but oil changed only a week ago. I will keep an eye on it. Thank you very much

66,435

No benefits, the Lucas crap is just a thickening agent much like STP. All it will do is make your wallet thinner. Use a good quality name brand oil and change it regularly and you will be fine.

1 people found this helpful.
118,245

Good, I'd leave it alone and keep a eye on the oil level for now.

118,245

Oh and do find another shop, one with good reviews in your area and hopefully certified.

115,135

Synthetic oil does not burn off faster than dino oil. Maybe he installed some really light weight oil like 0W-20 that would burn off faster due to being Thin, not Synthetic. Some oils have a higher level of volatile compounds that evaporate. If you do research look for oils that have lower levels of volatile compounds.

8,550

FOR is right on again! Your 2000 runs best on 10w40 year round. Even 5w30 blows through too quickly in the summer.

28,505

Just thought I'd share this with the group, someone I know really said he had a lot of success with this although I have not tried it. http://www.lubegard.com/~/C-306/LUBEGARD+BIO- TECH+Engine+Oil+Protectant

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