When you say the rev-limiter isn't optimized, you're just saying that the 350 manifold will continue to flow well past the stock GT redline and having the rev limiter increased will allow you to take better advantage of the 350 manifold?
Helping a friend here who has a 2017 Mustang GT with a cracked intake manifold. The OEM part (FR3Z-9424-N) is backordered everywhere we've looked with no ETA.
I understand the 2018+ manifold (which seems to be more readily in stock and not much more expensive) can be installed, however there...
Check the pins for the camshaft position sensor plugs on top of the valve covers and make sure they plug in properly. The dealer replaced mine and idle issue fixed.
Thanks to all for your replies. I took car to Ford dealer this morning for inspection and collision manager informed me that Ford will send replacement hood. I'll keep you posted.
As I understand it, "B" refers to a bank of cylinders, or the affected side. I don't know which is side A or B. Anyway, the timing advance mechanism sometimes get stuck, resulting in a rough idle. This happened in my car when the oil temp ran high.