ive been reading alot about the VAFC hack and its FREAKIN AWESOME! i have a fields sfc-vtec on my integra and i was wondering if i can do the same thing???

basicly i just lean the **** out of it on the sfc vtec and use my dsm 450s? flame it up cause i dont quite get it all.

 

bump anyone?

 

The Field's might not be able to lean it out enough. Isn't the maximum only like -30%?

 

true
but any other ideas?

 

You've got the "gist" of it. But you'll need to go to -40% at least, unless you want to run wayyy rich. Try a search of the AFC hack. There is a ton of information on it.

 

Just get a GM 3bar MAP sensor (from an 88 v6/v8 trans am???) and that alone should trim out about 40% fuel. SO, you can just use the Fields to either take some out or add where needed.

 

Or do as i'm doing
Run smaller injectors (310cc in my case) and a fmu so they act larger only under boost. then use the sfc to lean it out where needed.....viola
Works good for me, I'm leaning out between 5% - 15% depending on the rpm and boost level...oh and btw i'm using a 4:1 fmu so my fuel pressure never exceeds 80psi, within reason to me.

 

>>Run smaller injectors (310cc in my case) and a fmu so they act larger only under boost. then use the sfc to lean it out where needed.....viola <<

And no blue box or check valves???

 

i know it's a stupid ?? but why do they call it hack? is it just a nickname for hooking up a vafc of is it a different way of hooking one up??? sorry for the dumb question..just wondering...

 

i like the idea with the trans am map sensor. im goint to try to find some more info about that.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fsp31 &raquo;</TD></TR><TR><TD CLASS="quote">&gt;&gt;Run smaller injectors (310cc in my case) and a fmu so they act larger only under boost. then use the sfc to lean it out where needed.....viola &lt;&lt;

And no blue box or check valves???
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Sorry yeah i'm runing check valves

 

thanks guys, any other input?

 

&gt;&gt;Sorry yeah i'm runing check valves&lt;&lt;

Cool. I was wondering because we tried to make a FMU setup work once without CV's or a missing link and we just couldn't get it right. I thought you might have figured out a way.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fsp31 &raquo;</TD></TR><TR><TD CLASS="quote">&gt;&gt;Sorry yeah i'm runing check valves&lt;&lt;

Cool. I was wondering because we tried to make a FMU setup work once without CV's or a missing link and we just couldn't get it right. I thought you might have figured out a way.

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nope, I ran into the same problem when i first started expermenting with forced induction 4 years ago

 

guess illl just buy a z28