I have been reading around on the net for a while trying to find an ok way to "street tune" my vafc to increase fuel so that I can be semi safe driving around town on 8-10psi untill i can purchase hondata and get to the dyno. The Term I've seen being used is " Vafc Hack " and with the Vafc people have seem to tune there setups this way untill they can afford or get to the dyno for a Real tune.

I see that people have done this before, Im just not understanding what settings to go into to increase fuel. Has anyone done this before or know how? Thanks for the help..

Setup:
B16a block
ARP head studs

Gsr Head
Stock Injectors
billet fuel rail
Skunk2 I/M
Hondata I/M gasket
GSR Cams

Ram Horn Manifold
T3 Airresearch .42 .48 Internal gated
3in D/p
FMIC and 2in hard pipes

Management, VAFC I

 

Example of VAFC hack:

People use 10 watt 10ohm resistors and dsm 450 injecors and use the AFC to turn the fuel down maybe around -30 fuel,etc..

There is no safe way for you to tune your VAFC without a wideband..

And i def wouldn't recommend running the afc on 8-10 lbs on it full throttle boosting around town.. with whatever settings you play around with..

When i say i wouldn't do this.. meaning i wouldn't do it on my own car, but there are people doing it..

My buddy is running a JDM d15b and he is running the 10watt 10ohm resistors with blue top 450cc injectors and i have his fuel turned down anywhere from -28 thru -32 and his car runs.. idle's fine.. This was suppossed to be a temporary thing untill he could run a chipped p28 and be tuned on crome.. Two summers has passed and he's still driving the car beating on it here and there.. So i guess you could say it's hit or miss.

I can't remember off the top of my head and i know there used to be a thread on how to setup your VAFC and mess around with settings..

In the sceen is monitor, settings, etc..

You would go to settings and you can play around with the fuel curves all from lower to high range rpms..

Have you set the VAFC up correctly?

Sensor type 6 in 6 out..

4 cylinder with the throttle pointing to the top right?


Modified by Jimmy at 5:31 PM 6/12/2008

 

ive beat on mine alot when i had the hack .i ran it for a yr or 2,but it just didnt seem to have as much power as a chipped ecu or hondata can do. like ignition curves and such

 

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

Have you set the VAFC up correctly?

Sensor type 6 in 6 out..

4 cylinder with the throttle pointing to the top right?


Modified by Jimmy at 5:31 PM 6/12/2008</TD></TR></TABLE>

Yes I have it set up lol, Its been in the car when it was N/A.

All Im looking for is what settings would max the injectors out so that I can DD around town (not Beat On It) Till I can Afford or find a cheap hondata.

How do you turn fuel UP NOT DOWN?

 

fpr can add alil fuel and subrtact. what kind of injectors and such would help answer ur question stock ones are 240cc

 

if you max out your injectors just to avoid going lean you run the risk of washing your cylinder walls and ruining your motor.