dual mivec
#1
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dual mivec
i figure, if we can change the system to make it work by solenoids hooked up to a V-MANAGE controller, and using a laptop. we can not only make it activate electronically but dual as well at what ever rpm choosen. serious helpers please.
DO-MIVEC
dual
output
mitsubishi
innovative
valve timing
electronic
control system
check out the v-manage for yourself and see why think its d best choice to do ths with.
http://www.hopupracing.com/grvfcosh.html
DO-MIVEC
dual
output
mitsubishi
innovative
valve timing
electronic
control system
check out the v-manage for yourself and see why think its d best choice to do ths with.
http://www.hopupracing.com/grvfcosh.html
#6
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dan click the link and carefully read through how this thing works. our mivec is same as evo just different engine and our ecu can be tuned for the mivec. the only thing to wonder is will it plug into ours? never seen an evo so dont know if the plugs are the same or not.
all it is, is fine tuning ur mivec of when to kick in and boosting the power of ur mivec. like how hondas get their ecu reflash for their v-tec
all it is, is fine tuning ur mivec of when to kick in and boosting the power of ur mivec. like how hondas get their ecu reflash for their v-tec
#7
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dan click the link and carefully read through how this thing works. our mivec is same as evo just different engine and our ecu can be tuned for the mivec. the only thing to wonder is will it plug into ours? never seen an evo so dont know if the plugs are the same or not.
all it is, is fine tuning ur mivec of when to kick in and boosting the power of ur mivec. like how hondas get their ecu reflash for their v-tec
all it is, is fine tuning ur mivec of when to kick in and boosting the power of ur mivec. like how hondas get their ecu reflash for their v-tec
Also, our wiring harness is completely different, so that won't plug in.
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#8
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would our engine begin SOHC and most other variable enabled engines, i.e. 4g63 and h22 being DOHC affect this at all?
Other wise wouldn't it be possible to splice the wires from the evo harness to fit the RA?
Other wise wouldn't it be possible to splice the wires from the evo harness to fit the RA?
#9
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:sigh:<-where is that smiley?
4g69 mivec:
controlled by oil pressure, RPM. ~3600 RPM if oil pressure is ~43psi or greater the ECU cuts a signal to the oil control valve. the valve opens and allows oil into the exhaust rockers. each exhaust rocker has two valves on it that are pushed closed. the valves are in such a position so that they interfere with the Mivec lobe rocker. being much larger than the other two lobes the Mivec lobe rocker forces the valves open a much greater distance, and now instead of the high end lobe being idle the low and mid range lobes are idle.
where in this process do you see any variables controlled by the ECU? yeah, you can change where it kicks in, but too low and you exceed the fuel maps ability and need a way to tune around it(if it doesn't cut fuel at ~5000 because of the error) and too high and the oil pressure sensor trips a CEL(again if it doesn't cut fuel at ~5000.)
anyone willing to try, feel free. you never know until someone actually does it. if you are looking for anything but an on/off lobe changeover forget it; that's all this Mivec system is.
EDIT:yes, the SOHC is the main reason this Mivec system can only control when the changeover occurs. and since no one has bothered to mess with our ECU yet we can't even control that yet
4g69 mivec:
controlled by oil pressure, RPM. ~3600 RPM if oil pressure is ~43psi or greater the ECU cuts a signal to the oil control valve. the valve opens and allows oil into the exhaust rockers. each exhaust rocker has two valves on it that are pushed closed. the valves are in such a position so that they interfere with the Mivec lobe rocker. being much larger than the other two lobes the Mivec lobe rocker forces the valves open a much greater distance, and now instead of the high end lobe being idle the low and mid range lobes are idle.
where in this process do you see any variables controlled by the ECU? yeah, you can change where it kicks in, but too low and you exceed the fuel maps ability and need a way to tune around it(if it doesn't cut fuel at ~5000 because of the error) and too high and the oil pressure sensor trips a CEL(again if it doesn't cut fuel at ~5000.)
anyone willing to try, feel free. you never know until someone actually does it. if you are looking for anything but an on/off lobe changeover forget it; that's all this Mivec system is.
EDIT:yes, the SOHC is the main reason this Mivec system can only control when the changeover occurs. and since no one has bothered to mess with our ECU yet we can't even control that yet
Last edited by DangerousDan; May 18, 2008 at 07:25 AM.
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