VAFC vs. chipped ecu to control vtec
I was just wondering, which one would take priority?
Say you have a chipped ecu with a bin that engages vtec at 5500 rpm. You then hook up a vafc and set it to engage at 4500 rpm. Does the vafc override the chipped ecu the same as it does to a stock ecu? |
Re: VAFC vs. chipped ecu to control vtec
vafc FTMFW !!!!!!!!
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Re: VAFC vs. chipped ecu to control vtec
No they suck, I'm just wondering ;)
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Re: VAFC vs. chipped ecu to control vtec
VAFC will tell the VTEC solennoid when to turn on since this is what sends the 12v...the ECU will always tell itself when to change maps based on the VTEC point.
So if you set VTEC on the VAFC to 4400 and VTEC in the ECU is 5800...you are running on the low cam maps (fuel and ignition for 1400 rpms even though VTEC is actually "ON" get it? another reason they suck... |
Re: VAFC vs. chipped ecu to control vtec
Originally Posted by xenocron
VAFC will tell the VTEC solennoid when to turn on since this is what sends the 12v...the ECU will always tell itself when to change maps based on the VTEC point.
So if you set VTEC on the VAFC to 4400 and VTEC in the ECU is 5800...you are running on the low cam maps (fuel and ignition for 1400 rpms even though VTEC is actually "ON" get it? another reason they suck... |
Re: VAFC vs. chipped ecu to control vtec
Originally Posted by xenocron
VAFC will tell the VTEC solennoid when to turn on since this is what sends the 12v...the ECU will always tell itself when to change maps based on the VTEC point.
So if you set VTEC on the VAFC to 4400 and VTEC in the ECU is 5800...you are running on the low cam maps (fuel and ignition for 1400 rpms even though VTEC is actually "ON" get it? another reason they suck... so u are runing still on lower cam maps "Vtec-ing"? |
Re: VAFC vs. chipped ecu to control vtec
Yes.
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Re: VAFC vs. chipped ecu to control vtec
oh thats stuck then! cuz fuel maps are on low cams too. right?
thx! :1 |
Re: VAFC vs. chipped ecu to control vtec
wait a second...i thought you could change the fuel maps also...and have them change over when the vtech kicked in......
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Re: VAFC vs. chipped ecu to control vtec
Not with an AFC, it only sends voltage to activate the vtec solenoid and has nothing to do with fuel/timing maps.
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Re: VAFC vs. chipped ecu to control vtec
Thats lame, I can hook up a switch to a 5v source and turn my vtec on at will, without using the crappy vafc. What a piece..
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Re: VAFC vs. chipped ecu to control vtec
You need to hook it up to your brake lights to be gangster.
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Re: VAFC vs. chipped ecu to control vtec
Connect the vtec 12V wire to a shift light, and set vtec to any rpm you want, no need for VAFC or chipped ecu ;D
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Re: VAFC vs. chipped ecu to control vtec
Originally Posted by hard2obtain
Connect the vtec 12V wire to a shift light, and set vtec to any rpm you want, no need for VAFC or chipped ecu ;D
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Re: VAFC vs. chipped ecu to control vtec
crome ftw ;D
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