What Kind of Oil Do You Use?
What oil should I use in the FC?
According to Mazda:
In starting and operating temperatures below 20F, use 5W30
In starting and operating temperatures between 0F and 80F, use 10W30.
In starting and operating temperatures above 30F, use 20W50
According to Mazda:
In starting and operating temperatures below 20F, use 5W30
In starting and operating temperatures between 0F and 80F, use 10W30.
In starting and operating temperatures above 30F, use 20W50
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10-40 or 20-50 I forget. But i always remember to put in TCW 
Not after all the miles put on it. Those are IDEAL. To each his own.

Originally Posted by DerangedHermit
And that covers the temperature question (straight from the FAQ).
Originally Posted by eatmyclutch
10-40 or 20-50 I forget. But i always remember to put in TCW 
Not after all the miles put on it. Those are IDEAL. To each his own.

Not after all the miles put on it. Those are IDEAL. To each his own.
Mazda engineer who knows about oil > my intuition
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