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pretune for cam? what can i do before i fire her up!!

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Old 05-02-2005, 09:28 PM
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Default pretune for cam? what can i do before i fire her up!!

i was wondering if there are some basics i can do to my tune for the cam like something in the air tables or timing tables that will help with start up and help it run ok when i first start.

its an f13 cam 230/232 .598/.587 on a 112+4 with AFR heads
Old 05-02-2005, 10:48 PM
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I would make the changes for the idle air at a minimum. Your VE Table will be way off and you might find something similar in the respository. Your 400-800 will be rich and you could lean those columns out.
Old 05-03-2005, 01:45 PM
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I'm in the same boat with a new cam. Exactly what changes should I make to idle air. What should the numbers change to from the stock settings??
thanks
Old 05-03-2005, 02:29 PM
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foff told me to change idle air to 10 from about 40*c and up
Old 05-03-2005, 03:02 PM
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Change what from 40*c and up? Are we talking about the Idle AirFlow vs ECT table? Because on mine I had to turn the high temps down to get my STIT and LTIT at 0.

Are you sure you mean the IAC Park Position Airflow vs IAT?

Im really lost on some of this. Cause the stickies dont account for cars like mine that have an electronic throttle. If I change the Idle Airflow vs ECT table from 40*c up to 10, then my STIT and LTIT (idle trims) will be WAY out of wack.

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Old 05-03-2005, 05:02 PM
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yeah i dont know about electronic throttle, but im almost positive he was talking about the airflow tables vs coolant temp, this is just a starting point though, i have a file to calibrate a new table once i get some data, this will just help me run lol lets more air in at idle
Old 05-03-2005, 07:38 PM
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make it idle higher, that gets the air moving just enough to keep everything moving without stalling and such, so you can work on things without it dying on you. other than that, keep PE sane and safe, don't go WOT on it until your VE is somewhat close <4krpm, that will give you a solid base. slow and steady wins the race




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