For those who are still struggling at the pump, I have found the following:
It appears to be related to the type of pump nozzle and the rubber piece that prevents the nozzle to go deeper into the tank, i.e., if your neighborhood gas pumps are equipped with these rubber things, you are going to have a tough time. Of these rubber prohibitors(?), older versions that are flat and have bigger diameter seem to work better than newer versions.
If all the pumps in your neighborhood have the newer style of these pump nozzles, try turning the nozzle 180 degrees. I have found in this configuation, I can fill up the tank a lot faster.
A person at Woodhouse is also lookinging into this problem. But in the meantime, try the 180 degree (or even 90 degree) turn.
I Hope this helps.