Sorta doesn't like the A/C
Safety Car
Joined: Dec 2002
Posts: 3,655
Likes: 24
From: Charleston SC
Originally Posted by Nathan Plemons
The early Holley TB's had the IAC passage that just vented to behind the throttle blades instead of forcing it through the IAC passages in the intake. Reaming the hole slightly larger and installing a piece of copper or brass pipe would effectively block the passages to the intake and force all the IAC air to go through the idle circuit in the intake.
