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VTEC QUESTION: Can a Vtec work W/O a Vtec ECU?

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Old 01-27-2004, 12:24 PM
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Default VTEC QUESTION: Can a Vtec work W/O a Vtec ECU?

Hi guys, I have a LS/Vtec on my car. Some guys told me that I don't have to run a Vtec ECU by connecting the Vtec selenoid to the Apexi VAFC with the LS ECU. Is this true?
Old 01-27-2004, 12:28 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (Addicted2Racing)

Yes,

you will need a rpm activated switch to connect to the VTEC Solnoid and the VAFC to adjust the fuel for the higher comsumption rate once VTEC is activated.

Personally, I'd use a VTEC ECU since there are ignition adjustments as well.
Old 01-27-2004, 12:29 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (Spade)

Yeah, get a VTEC ecu....RPM activated switches suck.
Old 01-27-2004, 12:39 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (Jonathan_EH)

I got a chipped P28 ECU, probably need to use it then. The reason why I wanted to run the LS ecu is because it is tuned by XS engineering with a 9100 Redline
Old 01-27-2004, 01:08 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (Addicted2Racing)

If you already got a chipped P28 ECU why dont u just have someone chip it so that you can redline at 9k with the correct fuel map... just make sure your engine is built for it though...
Old 01-27-2004, 01:13 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (Addicted2Racing)

Do you HAVE to have the rpm activated switch with the vtec controller?
Old 01-27-2004, 01:43 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (JSPECHB)

???
Old 01-27-2004, 03:56 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (Addicted2Racing)

you can run a chipped p28 ecu, and or get an rpm activation switch...you dont need a vtec ecu to run vtec....just an oil line and soleniod...

Peace
Old 01-27-2004, 04:12 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (Addicted2Racing)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Addicted2Racing &raquo;</TD></TR><TR><TD CLASS="quote">I got a chipped P28 ECU, probably need to use it then. The reason why I wanted to run the LS ecu is because it is tuned by XS engineering with a 9100 Redline
</TD></TR></TABLE>

higher redline=less horsepower on stock motors. and a ls ecu that was tuned was tuned FOR A LS AND for that motor swaping it over to a vtec motor even with everything else would be stupid
Old 01-27-2004, 04:18 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (slammed_93_hatch)

A friend of mine put an LSVTEC into his 98 LS teg, and for a while just had VTEC hooked to a toggle switch, not the best arrangement, but it worked.
Old 01-27-2004, 04:29 PM
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Default Re: VTEC QUESTION: Can a Vtec work W/O a Vtec ECU? (93 MR EJ1)

I wanna know what you're doing revving an LS/VTEC to 9100 RPM did you de-stroke it or something?
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