Talk:Aston Martin Vulcan/@comment-34040565-20180119144058/@comment-27736210-20180119155626

I actually tried to reply sooner but my laptop crashed and shut down three times in a row. :/

Also, I spent a good half-an-hour trying to figure out how on Earth to finish this R&D. Because I don't have any readily available free Class A upgrades. My solution was to MAX out the Chevrolet Collection, which rewards 5 Class A upgrades. But the catch is that I have to use them all at once, which complicates things. In the end, I did manage to figure out how to time everything...

And I did spend an hour farming, as well.