Quote Originally Posted by kacy View Post
I think the vacuum is so high due to the 1k rpm, I saw BLMS of 90 before I tuned it, it was just smell it was burning our eyes.
had the truck idling at 600 rpm trying to make sure it was set correctly without the iac involved, reconnected IAC back to 1k rpm. Any suggestions where else to look.. I also upped the timing in the area mentioned earlier to 20 and it still idles high.