Thread:Sirebel/@comment-28401107-20170301104100/@comment-26829117-20170301130250

So the answer as always is that it depends. Typically, I spend 30 minutes on the latest WTTT to get into group C. This week was a good example, I ran the corvette without the last two engine upgrades with just 5 blue tickets and normal service green bars and I'm comfortably in group C overall. I might upgrade the corvette and try again as I'm only in group D in that stage and could easily do much better with an upgraded car.

However, some weeks I have to spend more time, like with the Le Mans track, to try and get into C and some weeks I don't even manage it, like with Hong Kong. The only time I spend more than 30 mins on WTTT is when they reset them all (so then 2 hours to do all 4) or if I want to get into group B because I have enough upgrades to make the extra effort worth while.

Given than it takes 3 hours to get 50 from Le Mans farming then anything under 3 hours is more efficient. If you want to get into group B then you shouldn't spend more than 6 hours. I occasionally go back and try and improve previous weeks if they aren't very strong (e.g. last weeks I'mm still in group C).