Is it every 3k miles like normal oil, or does synthetic have a longer life?How often are you suppost to change synthetic engine oil?You can generally get quite a bit more life out of synthetic - I know several people who will let it go 6K+, though they will change the filter about halfway through.How often are you suppost to change synthetic engine oil?Everyone will give a different opinion, but I wouldn't go further than 5000 highway miles, 4000 if stop-and-go.How often are you suppost to change synthetic engine oil?It has a longer life. My car (Mercedes) recommends using synthetic oil and changing it every 13,000 miles or one year, whichever comes first. I'd consult the product information on what you're using just to be sure.How often are you suppost to change synthetic engine oil?well the new porsche's are recommending 15000 they spend a schit load on research'
amsoil has some 25000 and 35000 mile oilHow often are you suppost to change synthetic engine oil?My GTO uses only synthetic oil. The owners manual says every 7500 miles but I change it every 5000 anyway. Don't want to take any chances.
20 Years ASE Certified Technician
follow the advise ofrodents
