Listen to this article The German car manufacturer has been held back so far this season by porpoising, which has forced the team to run its W13 with a much higher ride height than it was originally designed for. Raising the platform is costing it a lot of downforce, but the outfit remains convinced that if it can switch off the porpoising then it can unlock a lot of pace by being able to run the car where it was originally intended. The team has worked hard to get to the bottom of the problem and it is now hoping that it can bring developments to Miami that will offer it a proper indication about whether or not it has begun the properly get on top of the issue. Trackside engineering director Andrew Shovlin said the updates would not instan …