- May 18, 2013
- Reaction score
- Blue Mountains
- Members Ride
- VE SV6 Sportswagon 2011
Thanks for the good info. Was thinking about glazed bores as my throttle body was clean with no real oil residule or soot build up at 42,000km. What do you think about the Holden fix Reprogramming ECM and TCM. Also car has never pinged and can run on the lowest octane non ethanol fuel. Could just mean it's not yet filthy with carbon being a non city car.
My VEII SV6 “was” in the burner club as well.
I decided to have a go at fixing this myself, as I was sick of the BS from the stealership.
I was talking to a customer of mine who builds race engines, he had one these LLT V6 engines apart doing some let’s just say "investigations" for someone.
He told me these engines are a work of art internally, very well engineered. He also said due to the design they will ALL use SOME oil, he explained the problem comes from they run very high compression and are hard on oil due to high internal temperatures.
The oil needs to be fresh and changed every 5000. He said the PCV system is sucking oil up at idle (hence the need for a catch can). This oil ingestion in turn glazes the bores when the car is new making the problem worse and before you know it you got a real burner. This oil contaminates or sits in the intake runners and gets sucked into the combustion chamber. The oil in the intake reduces the octane of the fuel causing a ping and fouls the back of the valves with carbon.
What I did was an oil flush with some Liqui-Moly Engine Detox when I did the oil change. I replaced the oil with Shell Helix 5W-40 full syn. At the same time fitted an Elite catch can and did a top end clean with the AC Delco top end cleaner. My engine had done 50,000 at the time and was pinging its guts out and running like crap on cold start. The car now has over 60,000 and has never ran better. I have gone from 2.5lt per 10,000 to not even adding any between my oil changes. 15,000ks is far too long for this type of engine to go without fresh oil as old oil will burn more than new fresh oil. I not recommending you do this or suggesting you do this. Make you own mind up, do your own research. A good place is check out the Camaro forums in the states.
The car is better on fuel and no longer pings, I get 11lt per 100 around town, and I don’t baby it either. I was getting high 13s. Oil in the catch can is as black as, I was catching a lot at first now I don’t even empty it between the 5000k oil changes. The oil when dropped at 5000 is still very clean, I think it could go to 7500 but 5000 is working for me. I have also noticed the tail pipes stay clean for a lot longer and the black crap on the back of the car is gone.