What's wrong with the one in the PCM currently?
What's wrong with the one in the PCM currently?
The man who says something is impossible, is usually interrupted by the man doing it.
i only ran one iac valve and it does good on its own.
It depends on the physical layout of the throttle bodies whether one or two would be a better choice.
If the TBIs are mounted more centrally like a carburetor, like a friend of mine does where he cuts the throttle bodies welds them together and mounts them on conventional carb intakes, then one IAC is usually plenty.
However, if the throttle bodies are mounted more independently, such as the crossfire intake, then an IAC on each throttle body is a better choice, or needed to ensure that fueling and air delivery to all cylinders is as even as can be. I would use this same idea when using a dual quad intake, or any intake where the throttle plates on each throttle body are separated by more than a couple inches. This includes common plenum intakes. FWIW, the crossfire intake is a common plenum intake, and GM put an IAC on each throttle body.
The man who says something is impossible, is usually interrupted by the man doing it.
isnt it common to run one iac on the crossfire and install a balance tube between the throttle bodies?
Bookmarks