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  1. J

    2021 Mazda CX5 non turbo

    Is yours a turbo? They do call for a 5w30. The no. Turbo is 0w20
  2. J

    2021 Mazda CX5 non turbo

    That was my plan unless there is a better oil or a reason not to use rp
  3. J

    2021 Mazda CX5 non turbo

    For the car i am looking at using mobil 0w 20. The car is a year old and has 11k miles. My wife works from home. This is about 1/2 short trips and half from trips ranging from 200 to 500 miles each way. We are in the midwest so gets plenty cold in the winter but the car is in a semi heated...
  4. J

    Top Tier fuels, I think they work

    why would you run e85. it takes 1.5 gallons of ethanol to equate to 1 gallon of gas. Your gas milage suffer tremendously. You need a major price difference to be cost neutral.
  5. J

    10% ethanol vs ethanol free and intake valve deposits

    On a DI engine the gas is injected after the intake valve. This doesnt wash the valve the way PI does. On a DI engine dirty intake is caused by blowby from crank case vent. A catch can may prevent this. Doesnt matter if it has ethanol or not.
  6. J

    Will switching to a lower temp prolong my water heater's life

    if you have gone 18 years without changing the anode and flushing there is no point to do it now. Flushing each year will get rid of the sediment and help with efficiency but at this point it may be holding you water heater together. The anode wears away to prevent your tank from wearing away...
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