Convention oil compatability with Synthetics

A&Q about 350Z
Q:

I have heard that Synthetic oils and conventional oils are compatible with each other.

What does this mean?
- Can I add one litre of conventional to top up Synthetic and Vice Versa?
- Can I use 1/2 and 1/2?
- Can I swap every oil change?
- If I drain my conventional transmission fluid knowing that I will only get half out can I fill it with Synthetic? Will there be a benefit to 1/2 Synthetic and 1/2 Conventional? Will there be a problem?
A:

completely compatible. No issues. A lot of threads have covered this so instead of us reposting the same info, you might have quicker results if you search.
A:


Yeah you are right...............sorry (It was late)

Anyway thanks.
A:


No problem
A:

Oils aren't always compatible, follow car and oil manufacturers instructions.
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