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Post by rayshush on Dec 23, 2011 1:45:03 GMT -5
1991 EVCT, has any one tried to set one up to operate manually or semi-automatic. Want to convert to electric, their are a few concerns the oil pump on CVT is driven from motor which is running all the time Y? Throttle control linkage engage's with CVT. when pressing acelerator. Computer with odometer runs the variable part of transaxle. Not sure, how or what computer does ?
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Post by Justy4x4 on Dec 23, 2011 8:05:21 GMT -5
The ECVT does need constant oil pressure so a way to drive the pump would have to be fabricated. The computer only controls the electromagnetic powder clutch and a hi/lo pressure solenoid in the trans. The transmission shifting is completely mechanical/hydraulic in nature and doesn't need the computer at all for that to function. The hi/lo pressure solenoid is needed for the 4wd system to work and could be actuated by a dash switch. Since you are going electric you won't need the clutch or the computer.
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Post by rayshush on Dec 23, 2011 23:30:58 GMT -5
Would the pump need to turn all the time or just when you are moving, also what is the vacuum line for. Is there a good picture of the tranny a cut away type or a cad-dwg available. I take it that the variable pullys will operate as it accelerate ?
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Post by Justy4x4 on Dec 24, 2011 21:24:30 GMT -5
Would the pump need to turn all the time or just when you are moving, also what is the vacuum line for. Is there a good picture of the tranny a cut away type or a cad-dwg available. I take it that the variable pullys will operate as it accelerate ? The pump would really only need to run when the vehicle is moving. There is no vacuum line on the ECVT, only a vent hose. The pulleys will operate correctly as the car accelerates. The shift function is completely hydraulic and controlled by the valve body built into the tranny. The engineers could have made it possible for the pulleys to shift in reverse gear but they designed it not too.
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Post by rayshush on Dec 29, 2011 3:28:48 GMT -5
Opps the line I was looking at was the coolent oil lines, will mount a small heat exchanger close by. The 1.2 L engine was shot crank kuput, cut off after first main brg.and machining to make an adapter to a coupler for electric motor, if I knew how to put pictures on this site would do so. Thought some of you people would have some intrest. If any one has, any idea's to help me out ? would surely appreciate it. Thanks for the help so far.
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