-----Original Message----- From: Gilles Gallant >Subject: Synthetic oil > -If I use the synthetic oil should I use the 5w30 or another grade? Use Castrol 15-50 > -Should I take some precautions prior to change it or to run the engine after the change. No > -Should I flush the engine with some special liquid before put synthetic oil. No > -May I use ordinary oil with synthetic one? Yes in fact, what I do, is use 1 liter. of W15-50 and the rest regular 20-50.... then I top up between changes as needed with more 15-50.... that's why they sell the blended synthetics... even some synthetic will cause the oil to stick to metal better and stay coated. |
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