LexoGs Posted November 25, 2009 Share Posted November 25, 2009 i recently did an oil change on my 03gs300 and im sure guy i bought the car from was using synthetic..So im at the store buying oil somehow i buy regular 5w30 oil and i dont even relize until doing the oil change....so now should i change it again and use synthetic or is it ok for now and drive it for 3000 miles or less cause i feel like changing back rite now would be bad So wat do you guys think thanx... Quote Link to comment Share on other sites More sharing options...
pauljcl Posted November 25, 2009 Share Posted November 25, 2009 i recently did an oil change on my 03gs300 and im sure guy i bought the car from was using synthetic..So im at the store buying oil somehow i buy regular 5w30 oil and i dont even relize until doing the oil change....so now should i change it again and use synthetic or is it ok for now and drive it for 3000 miles or less cause i feel like changing back rite now would be bad So wat do you guys think thanx... I am no authority and you should call the manufacturers of the oil(s) to verify..... but I always read that the two kind of oils can be 'interchanged' [this why you do not have to flush the engine when you switch to synthetic from mineral]. But don't take my word for it, check with the manufacturers (particularly the synthetic oil manufacturer). Best of luck! Quote Link to comment Share on other sites More sharing options...
intakerGS Posted November 25, 2009 Share Posted November 25, 2009 i recently did an oil change on my 03gs300 and im sure guy i bought the car from was using synthetic..So im at the store buying oil somehow i buy regular 5w30 oil and i dont even relize until doing the oil change....so now should i change it again and use synthetic or is it ok for now and drive it for 3000 miles or less cause i feel like changing back rite now would be bad So wat do you guys think thanx... I don't think it's harmful to use the regular for now and swap at 3K miles to synthetic. If you drive a (old) car that is used to regular oil, a swap to synthetic can sometimes generate problems. It might not 'feel' right, but for now you should let it for what it is and swap to synthetic again at 3K. Quote Link to comment Share on other sites More sharing options...
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