Quote Originally Posted by joecar View Post
My understanding: when cold the sprayed fuel takes longer to evaporate; when hot it evaporates sooner.
That is how I understand it too Joe.
FWIW I would be pulling timing to see if the problem goes away. Standard knock sensor settings could be incorrect for the new position of the sensors.
I would also be triple checking ALL of my earths, these can have a tendency to only show issues when hot.