[Vwdiesel] Mixing Synthetic & Dino Oils

[Lee Hillsgrove]

>I have been running using Mobil 1 10W-40 the last year or so. However, I
>still have a case of Dino (Chevron Delo) in the garage. Yesterday morning,
>in the dark (prior to getting my caffeine fix) I grabbed a quart of oil
from
>the wrong shelf and inadvertently put in a quart of the non-synthetic into
>the car. I didn't notice until that afternoon when I went to throw away the
>empty bottle.
>
>So the question is, is this bad to have mixed synthetic and non-synthetic?
>
>Should I drain my oil and refill immediately?
>


  Wow, I didn't get this message until today. Slow e-mail.

 Is it bad to have mixed the oils? No, probably not. Modern synthetics like
the Mobil 1 are OK to mix with dino oils.

Should you drain and refill? IMO, Yes.
Mobil 1 *gasoline* oil is only rated at CF. Better oils rated at CH-4 are
readily available. Why use something rated for less?
 I'd be more comfortable using Delvac 1300, Shell Rotella T, or Chevron Delo
400 dino oil. If you want to run synthetic, diesel-specific oils are
available, too.
 Just my $.02

  Lee
  Oo-v-oO
  PP-ASEL
  KB1GNI