Best Solution for Internal Engine Cleaning and Maintenance?
I bought the car used and been changing my own oil when I got the time. After some shaddy experience at quicky lube places, I just do it myself.
My Problem is that after minutes of putting new oil, it turns black. Need to clean the inside of my engine, noticing alot of sludge. I know to stay away from engine flushes from those shitty quicky lube places.
My car is a
1999 Toyota Corolla
I use Penzoil Conventional 10W-30 (5W-30 is the manufacturer recommended but since my car has high mileage, I was told to use a higher weight)
I just started using Marvel mystery oil and shockingly saw a slight performance difference in the car (picking up smoother, less sound).
There is this one product I found called Auto-RX but I am still skeptical. Anybody use it? I also know that using synthetic oil with the addictive like Mobil 1 will clean out the engine.
Any Help or input is much appreciated!