Quote Originally Posted by myburb View Post
The iac is what comes on a holley terminator throttle body. The manual indicates a chrysler iac and it does have a pinout diagram. Also good to know that a gm iac probably will fit in its place if I can't make it work.
Yes, Holley uses Chryco IACs, so you definitely need to change the pinout. I ran into this with a friend's 496 Pontiac that we installed MS3Pro and custom fuel injection setup on that used a Holley throttle body.