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    1. #1
      Join Date
      Aug 2004
      Location
      Austin, Tx
      Posts
      498
      Country Flag: United States
      A few things I've learned...

      I run more timing advance at idle than I expected... 23-25* typically on my LS. Don't know if that will translate.

      I could never get mine to sit consistently at IAC of 2%. It varies all over the place as the temperature changes. I try to shoot for 5 - 8%, and I'm lucky to keep it in that range.

      Heed the words Andrew said if you don't already know: make sure you re-do the TPS Autoset if you touch the throttle body. I've forgotten that one a couple of times.



      One thing I read that helped me set the idle is to set the Fuel Table entries around your idle speed to fixed values that are all very close. This keeps a consistent amount of fuel even if the vacuum or RPM are jumping around. So determine where your idle is going to be after getting the throttle blades and IAC set, then adjust the entries in the fuel table around that point to be all the same value.

      Read this thread. I found it very helpful when I was working out my idle, specifically related to setting the fuel table entries above.

      http://forums.holley.com/showthread....e-Tuning-Notes

      Good luck! I really like my Holley. I found it pretty easy to get up and going with, and there are more tweaking features for me to continue to learn. I'm trying to better under the optimal end of injector timing right now. My car is down, but I plan to experiment with that soon once she's running again...
      Bryan (a.k.a. Carbuff)

      70 Camaro RS Hunk'o'Metal - Previous Project
      71 Firebird Project T.O.W. - New Project


    2. #2
      Join Date
      Oct 2004
      Location
      NJ
      Posts
      769
      Country Flag: United States
      Quote Originally Posted by carbuff View Post
      A few things I've learned...


      One thing I read that helped me set the idle is to set the Fuel Table entries around your idle speed to fixed values that are all very close. This keeps a consistent amount of fuel even if the vacuum or RPM are jumping around. So determine where your idle is going to be after getting the throttle blades and IAC set, then adjust the entries in the fuel table around that point to be all the same value...
      Still trying to figure out what to put the numbers at in the table. I don't want to change anything before I understand it.




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