Vtec controller


Y

Yellow ek9

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Mar 4, 2008
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I am looking to purchase a v tech controller, i am new to honda's so not sure if its a good idea? Any ideas where to get one? I also got told i would have to put the car on the rolling road if purchased...:nice:
 
hi mate,i'd avoid buying a vtec controller they are'nt the way to go mate and can really mess up your engine if not used properly,i'd go for a spoon ecu or something like that if your looking for lower vtec engagement :nice:
 
:nice:

How much you think something like that will come around at and get one from?
Ive heard good and bad things about them to be honest, my mate has an ep3 n ****ed his up... but also has an ek9 and its fine so...:angry2:

:nice:
 
if you want to change vtec, buy something that will also allow you to adjust fuel and ignition.
 
jugbugz said:
Super agree!
Click to expand...

I super disagree.

Honda caved into marketing and even Doug McMillan of Hondata fame was privy to how they raised the vtec point so people would feel the surge of power and equate it to increased performance....

....when in fact, a well tuned vtec transition feels seamless and also FEELS slower as a result. If you have the opportunity to run the car on a dyno, it is vtec tuning basics where you make one run with the vtec disengaged and another with the vtec engaged very high.

Where the two plots converge is where you want to start your setting.

There is a lot of data and dyno figures to support the gains you could possibly have with a properly tuned vtec X-over.
 
i would say by using a programmable ECU is a much better way, but if your considering a vtec controller, Apexi's VAFC is a gud choice, so is other brand's controller, you can google it see, it doesn't matter their all work the same that is to let you engage vtec on your own timing and liking only.
 
the VAFC does have better resolution than say a Field's SFC-VTEC. The issue I've experienced with them is that you need to trick the map sensor into adding more fuel. There is a limit (I forget the specific value) but once you exceed it, the car will go into limp mode and throws a check engine light.

In this sense, it's better to raise the fuel pressure and then take away fuel...but the best option remains using a system like crome or hondata etc.
 
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