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Post by picanyeo on Jul 27, 2011 12:06:28 GMT 8
i install for few months liao, so far no prob. i know its gives me better acceleration, more pick up and so on, but dun know how it really works. as for vsd, i oso got install, way earlier then pc, but IN MY OPINION, i didnt really feel much after having it. other bros might feel differently though.. I also installed VSD before. Dekitted already. Now using iridium plugs and aftermarket cables instead..
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jeremy7880
Gear THREE
Picanto#811[N4:jeremy7880#####jeremy7880##]
Posts: 314
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Post by jeremy7880 on Jul 27, 2011 12:13:07 GMT 8
bro, so vsd work for u? plugs n aftermarket cables me using too. like it much..
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Post by picanyeo on Jul 27, 2011 12:14:37 GMT 8
Hmm.. So more or less can confirm that PC do work. Shall consider it when I have extra vitamin M. This will be good if you have ICE onboard.
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Post by kwoni on Jul 27, 2011 14:39:11 GMT 8
Bro u install Just Koh, did u asked abt EPS? Any warranty or maintenance needed for this?
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jeremy7880
Gear THREE
Picanto#811[N4:jeremy7880#####jeremy7880##]
Posts: 314
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Post by jeremy7880 on Jul 27, 2011 14:52:55 GMT 8
I install just koh, never ask about others leh, no need maintenance, warranty i forgot 6mths or 1 year liao...
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Post by kwoni on Jul 27, 2011 16:48:03 GMT 8
Oic.. Tempted lei.. After reading so much abt VSD n PC.. Tot PC may be a better choice or an overall feel... Not sure abt Just Koh brand.. Nvr heard b4
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Post by kwoni on Jul 28, 2011 8:55:07 GMT 8
Finally decided to install Just Koh power charger.
About the PC, before installation, I could feel my CVT changing gear and not so smooth. There was a lapse at certain pt of time around 1.5-2.2k range during acceleration. Installing this PC makes the acceleration smooth and the gear change effect lessened. I could not feel the lapse at the rpm range and the acceleration becomes more linear. Able to feel more push when step on accelerator using same strength.
I tried this with my throttle controller off. So I can feel the difference. With the improved in pickup and car feel lighter, I turn on my throttle controller SP mode and vrrooommm...satisfied!
Another thing I realized is that my V Drive display used to stabilize at 12-13V when air con turned on. Now it stabilizes at ard 14V. Is that the effect of the PC's effective alternator charging?
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Post by picanto79 on Jul 28, 2011 10:12:14 GMT 8
Good to hear another member install the JK pc and feel the difference. If not wrong, I was told it will bring up from 12v to 16v so other electronic item you install in the car will not affect the overall performance of the car.
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Post by picanyeo on Jul 28, 2011 10:51:10 GMT 8
Good to hear another member install the JK pc and feel the difference. If not wrong, I was told it will bring up from 12v to 16v so other electronic item you install in the car will not affect the overall performance of the car. I think the one you are refering to is the vsd, the spark booster thing. This power charger thing maybe is a super big VS?
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Post by picanyeo on Jul 28, 2011 10:53:39 GMT 8
Finally decided to install Just Koh power charger. About the PC, before installation, I could feel my CVT changing gear and not so smooth. There was a lapse at certain pt of time around 1.5-2.2k range during acceleration. Installing this PC makes the acceleration smooth and the gear change effect lessened. I could not feel the lapse at the rpm range and the acceleration becomes more linear. Able to feel more push when step on accelerator using same strength. I tried this with my throttle controller off. So I can feel the difference. With the improved in pickup and car feel lighter, I turn on my throttle controller SP mode and vrrooommm...satisfied! Another thing I realized is that my V Drive display used to stabilize at 12-13V when air con turned on. Now it stabilizes at ard 14V. Is that the effect of the PC's effective alternator charging? Wah.. I don't know how to interpret this. I read from an article that normal operating voltage is from 13 - 15V. More than 15 can damage electrical components. Less than 13 could mean charging problem. Must let someone who knows about electrical stuffs to answer. It's good coz we can learn more.
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jeremy7880
Gear THREE
Picanto#811[N4:jeremy7880#####jeremy7880##]
Posts: 314
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Post by jeremy7880 on Jul 28, 2011 10:57:56 GMT 8
have fun enjoying 'Just Koh'!!!
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Post by kwoni on Jul 28, 2011 13:24:09 GMT 8
Alex explained that PC technology is taken from electric cars, den subsequently I dun quite understand the physics of it. It kindof reduce resistance btw batt and alternator so that charging efficiency is increased. I Duno if this cause the alternator voltage to maintain at 14 and not drop when I turn on aircon. But I can definitely feel that the acceleration has become smoother n uninterrupted..Alex mentioned bhp shd increase around 8-10. Duno abt prolonging batt life as claimed.. Shld be so since there is better charging.
VSd is the one Whig step up Voltage to 15-18V which wil wear out our plugs faster and possibly damage it.
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Post by picanyeo on Jul 29, 2011 13:19:42 GMT 8
bhp increase is realli hard to tell without going for dyno. Your throttle sensitivity may increase and your car may feel lighter but your max power output is still limited by your air intake setup, your exhaust setup and your tuning.
Or rather I should say, engine efficiency and fuel efficiency are improved.
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Post by kwoni on Jul 29, 2011 14:05:12 GMT 8
True. There is always a ceiling of bhp a car has.. And they are always operating on certain % efficiency.. Lowering our bhp output... The mods we put r juz to bring back the efficiency or so called affected bhp.. near to 100%... a car has diff systems.. Maybe we cate them into air intake and electrical juz to name 2 of them.. U improve electrical u must improve air intake, so that the combustion is at it's best.. It's like u have a big stomach with good appetite, u must have the food to eat in order to have the strength...
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Post by kwoni on Jul 29, 2011 14:11:16 GMT 8
Bro picanyeo, increase throttle sensitivity is same as increasing ur pedal sensitivity, we all know it doesn't increase bhp. PC works differently... It lessen the resistance btw alternator and batt so that it does not add on load of the engine, thus, giving back the bhp output the engine suppose to produce.. That's y I tried out without using throttle controller to really feel e difference. The torque can be felt with the same rev being pushed.. I Duno how much more can it go... Even tho we can improve here n there.. There is always a limit...
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Post by picanyeo on Jul 29, 2011 15:06:33 GMT 8
Bro picanyeo, increase throttle sensitivity is same as increasing ur pedal sensitivity, we all know it doesn't increase bhp. PC works differently... It lessen the resistance btw alternator and batt so that it does not add on load of the engine, thus, giving back the bhp output the engine suppose to produce.. That's y I tried out without using throttle controller to really feel e difference. The torque can be felt with the same rev being pushed.. I Duno how much more can it go... Even tho we can improve here n there.. There is always a limit... Thanks kwoni for your inputs. I have been trying to find the working principles of the PC but couldn't find it online. But you are right in the sense that if the PC can reduce transmission losses, then the gains on the wheels will be increased.
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