Originally Posted By: saaber1
For example a person may want to do a shorter UOA if they:
have an engine that is known to destroy oils quickly or has high fuel dilution
for me the MS3 Mazda is know for fuel dilution... thats why I did mine at 3k
Long story short....
I got the car with 69 miles and changed the OEM oil at 678 miles.
This fill was conventional Valvoline 5w/30.
besides some short trips I commute 45 miles each way mostly suburbs / highway so the car does get properly warmed, I am averaging 26.1 mpg over the 3100 miles so...