[LX5liter]

You say it seems to run warmer. Have you checked it with a good gauge, or just the factory one? Do you have the O2 sensors installed and hooked up? If not, that is probably why it is running warmer, the computer doesn't know if the car is running lean or rich, so it is probably using the built in tables in the computer to keep it running.
Also, post this in the windsor forum, you will get way more responses.