[Mehoff]

love this idea and the home grown engineering it requires. Before going any further, just want to be sure you have spoken with race shops about this motor. My understanding is the 991 cups (primarily 991.1) had significant cooling issues that would preclude street driving. They couldn't idle for more than a couple minutes without overheating and even had issues on pace laps....cars needed to be at race pace to adequately cool the engines. This may have already been solved via rebuild changes, but something you should research (if you haven't already).