[Cashburn]

We've started this project in the past. The real limitation starts to become the linkage on the carb. With a round drop base you can get around this, but an oval is close to the carb on the sides (where the linkages are) and far on the ends (where nothing is).

We have trimmed the lip on the bases and also dimpled for the top bolts of the carbs with limited success in getting some more room.