User blog comment:Guy Bukzi Montag/Asphalt 8 Myths: Cards Come to Those Who Have Them/@comment-35328187-20190127041818/@comment-34918040-20190131174517

@ Bassrox:

Part cards were the only solution to run the test without having to fuse precious engines. But I'm sure it's the same for engine cards. I ran out of V8 engines three times during the test period, but got new V8 engines one, two and three days later. This doesn't smell like they didn't give V8s to me because I had none.

Your other point is very interesting. As I have logged all kinds of cards together with the date, it would be possible to look up the time when those events took place, which enginges the vehicles needed and if I got less of these cards during the events. My guess: It's a myth. I'll keep your question in mind when I find the time to do some more data queries.

By the way, boxes have different drop rates of engines in relation to other cards, so you may want to consider that if you are searching for specific engine types: