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Programmable ECU on 20V
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<blockquote data-quote="speedchaser" data-source="post: 1144038" data-attributes="member: 5171"><p>Yep, Fandango. Me the one with the Corona 4AGTE and trying to part with the car with a heavy heart in the buy/sell section.</p><p></p><p>What Chin said is right on the basic timing which we have to set before fooling around with the ECU. I fix the distributor to set at 10 BTDC, then use the software to idle at 16 degrees.</p><p></p><p>No matter how much you adjust the fuel map there will be very little effect on the power output. If you hold it on a dyno at 5k and load up to 0.8 Bar, play around with the Fuel Map and no matter what AFR you get (from 11.0 to 16.0) the power will change BUT only change slightly and the result you get is knocking if it's too lean and black smoke if it's too rich.</p><p></p><p>But using the same method and if u play around with the timing, you will see a huge change in power output. Ignition timing has a direct effect on the power output. Don't have to take my word for it and if u do access the dyno, u will see for yourself.</p><p></p><p>A lot of people don't dare to touch the timing because many a engine goes 'boom' because of wrong ignition settings on different load points and wrong igniter dwell angle settings. That's the risk... more risk more power! :)</p><p></p><p>Anything that can just adjust only the Fuel Map will be worthless to me. Fact is, if you can't control the ignition timing, means you are not doing any tuning at all.</p></blockquote><p></p>
[QUOTE="speedchaser, post: 1144038, member: 5171"] Yep, Fandango. Me the one with the Corona 4AGTE and trying to part with the car with a heavy heart in the buy/sell section. What Chin said is right on the basic timing which we have to set before fooling around with the ECU. I fix the distributor to set at 10 BTDC, then use the software to idle at 16 degrees. No matter how much you adjust the fuel map there will be very little effect on the power output. If you hold it on a dyno at 5k and load up to 0.8 Bar, play around with the Fuel Map and no matter what AFR you get (from 11.0 to 16.0) the power will change BUT only change slightly and the result you get is knocking if it's too lean and black smoke if it's too rich. But using the same method and if u play around with the timing, you will see a huge change in power output. Ignition timing has a direct effect on the power output. Don't have to take my word for it and if u do access the dyno, u will see for yourself. A lot of people don't dare to touch the timing because many a engine goes 'boom' because of wrong ignition settings on different load points and wrong igniter dwell angle settings. That's the risk... more risk more power! :) Anything that can just adjust only the Fuel Map will be worthless to me. Fact is, if you can't control the ignition timing, means you are not doing any tuning at all. [/QUOTE]
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Programmable ECU on 20V