Engine Management eCtune , Crome , AFC , FMU , Zdyne , Hondata , EMS , TE , Uberdata Anything to control your fuel, spark needs!

trying to understand the safc.... got some q's

Thread Tools
 
Search this Thread
 
Old May 18, 2006 | 03:40 PM
  #1  
racepak's Avatar
Thread Starter
1.5 BAR
 
Joined: Dec 2004
Posts: 734
Default trying to understand the safc.... got some q's

hello everybody.
i have some questions about the safc.

-whats TH. POINT? and how\according to what do i set it? (now set to lo:50 hi0)

-how do i need to set the sensor type? (IN\out) and what its purpse? (its now set at in:05 out:06)
(just for the record... i got a stock denso map pn: 079800-3000

thanks.
Old May 18, 2006 | 04:05 PM
  #2  
racepak's Avatar
Thread Starter
1.5 BAR
 
Joined: Dec 2004
Posts: 734
Default Re: trying to understand the safc.... got some q's

this is how the rest is set:

-graph scale:
pr: 760mmhg
cr:+-3%

-dec air
thr ****%
ne1 10.0%
ne2 10.0%

Old May 18, 2006 | 06:55 PM
  #3  
lumpenst's Avatar
1.0 BAR
 
Joined: Jan 2005
Posts: 204
Default Re: trying to understand the safc.... got some q's

let me explain it with an example:
lets assume you have your th point set lo:20 hi0
and your settings in low are -40% accross and high are -30%

with this setup until 20% throttle afc will be using the low fuel setting whic is -%40
higher than 60% throttle -30% will be used
between 20% and 60% some value between -30% and -40%
i.e. at 50% throttle -32.5% will be calculated and be used (some basic math..)

you dont need to do anything with NE points.. not sure but i think its some stuff with the maf type cars running rich at gear changes

sensor types should be 6/6 if im not wrong.. apexi has tested the product and adjusted according to some specific sensors and given them numbers so that you choose the right one
Old May 19, 2006 | 01:59 PM
  #4  
Walter's Avatar
3.0 BAR
 
Joined: Apr 2006
Posts: 2,057
Default Re: trying to understand the safc.... got some q's

but how do you know if you are right putting -30% or so ? i imagine -30% (fuel), you are leaning your car , right?
Old May 20, 2006 | 07:23 PM
  #5  
lumpenst's Avatar
1.0 BAR
 
Joined: Jan 2005
Posts: 204
Default Re: trying to understand the safc.... got some q's

yes -30 is leaning but if you use bigger injectors its going to be compensated.. a wideband o2 should be used getting a good a/f ratio set
Old May 20, 2006 | 07:30 PM
  #6  
Walter's Avatar
3.0 BAR
 
Joined: Apr 2006
Posts: 2,057
Default Re: trying to understand the safc.... got some q's

ok, i was wondering too, when you set with SAFC, you run your car and you have a A/F in that moment, then you gradually down or up the % for to get the a/r correct or the A/F you want.. not?

ty

P.D That's the samething with a chipped ecu?
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
96DXHatchBlack
Forced Induction
8
Oct 16, 2004 09:51 AM
Breaker84
Forced Induction
0
May 14, 2004 11:21 PM
91crx
Hybrid/Tech
8
Jul 12, 2003 04:57 PM




All times are GMT -5. The time now is 12:50 PM.