If you go more than -10% on the vafc, does it start to hunt for different timing maps as well? I have heard rumors of this, but would like to understand the reasoning...

Is that good or bad for allmotor/ boost?

The reason I ask is that for one time each year I will need to get emissions done, and will need to use the stock obd2 ecu to do so. I'm trying to think of a way to avoid pulling the injectors and turbo or itb's, etc (I have two different projects).....

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Black R &raquo;</TD></TR><TR><TD CLASS="quote">If you go more than -10% on the vafc, does it start to hunt for different timing maps as well? I have heard rumors of this, but would like to understand the reasoning...</TD></TR></TABLE>

Uh, I don't think so. I'm running anywhere from - 14-20%

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LSVTEC 91 Civic &raquo;</TD></TR><TR><TD CLASS="quote">

Uh, I don't think so. I'm running anywhere from - 14-20%</TD></TR></TABLE>


Ok, then in theory since the vafc can only pull a maximum or -50% the biggest injectors you could run would be 480cc..... (240cc x 2) correct?

I'm just wondering what would happen if I ran 550cc injectors with a vafc for a couple days... idle would suck, but WOT should be ok. Partial throttle should be ok as well... just the idle would eat up some gas, eh...

 

You can always adjust fuel pressure to compensate for fuel also.

 

Yes, but in this instance I wouldn't feel comfortable turning the fuel pressure down with 550cc's... the spray pattern would suffer and then i would have to deal with other issues (fuel pooling, etc)

Looks like the dsm 450cc injectors are good for something! LOL