Originally Posted By: pbm
Originally Posted By: Zaedock
There will be virtually no difference between starting your engine with Mobil 1 0W20 or Mobil 1 Extended Performance 0W20.
.....or between starting it in Indiana and Massachusetts.....
PS: If you're doing 4K OCIs you could use Super Tech 5w20 conventional and your Civic's engine will outlast the rest of the car....
First post here on "Bob", and I highly agree with this statement. If you're only doing 4K intervals on your oil, your engine (and wallet) would be just as happy with basic Conventional oil, as it would with Synthetic. Less wear? Maybe. But not enough to justify a $3-$5 a quart more expense for it.