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View Full Version : Throttle body idle screw setting on a b20a5



89queludesi
09-17-2003, 12:13 PM
What is the proper setting for this idle control screw? It is the one located on the top of the throttle body right in between where all the vacuum lines attach on a B20a5 and its about the size of a dime. I turned it all the way in and was able to turn it out 5 revolutions before it seemed like it was going to fall out.
I left it a 2.5 revs out for now because im in the process of fininshing up reinstalling my cylinder head which is always a joy. So before i start it i want to make sure what the proper setting is.

Thanks Guys:smokin:

Dibbs
09-17-2003, 12:22 PM
OOPS!
You should have counted the revs when you were screwing it in, which I'm sure you probably figured out by now :D

If you can get to another B20A5 throttle body that hasn't been messed with, screw it in and measure the revs it takes to bottom out (not too hard though).

My a20a3 is in the neighborhood of 2.5-2.75 revs.

Hope that helps.

89queludesi
09-17-2003, 12:26 PM
Thanks man :werd:
I had a feeling they would set it somewhere in the middle.
Ill just go with it and see how it runs after i do the 1st start (you know that start after doing a really big job .....its like please god let it start:barf: "haha thanks again G

3G Jester
09-17-2003, 01:14 PM
hahaha so im not the only one who calls ludes queludes!!!!!