What will happen if i add super-synthetic to full synthetic?

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What will happen if i add super-synthetic to full synthetic?

I just changed the oil in an 03 tahoe and i put 5 quarts of mobile clean 5000 (full synthetic) but i guess i actually needed 6, what will happen if i add 1 quart of the super syntheric (the one that's suppose to last 15000 miles? will it add a 1000 more mile to the oil change or will it mess it up? (obviosly getting the same viscosity 5w 30)

2007-04-17 10:48:58 · 2 answers · asked by Jeff Mad. 2 in Cars & Transportation ➔ Maintenance & Repairs

2 answers

It will be okay, but stick to the 5000 mile oil change.

2007-04-17 10:56:57 · answer #1 · answered by Anonymous · 0⤊ 0⤋

Mobil clean 5000 isn't synthetic. It's conventional oil. The one quart of synthetic you added won't hurt or make any difference.

2007-04-17 18:43:36 · answer #2 · answered by Nomadd 7 · 0⤊ 0⤋