How the 4A-GE ECU works

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How the 4A-GE ECU works

01-19-2006, 01:20 AM

Post: #37

phatBob Offline

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Posts: 11
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JMR_AW11 Wrote:http://www.jmross.freeserve.co.uk/part3p2.html

The ignition timing for your 20V engine could be very different though.

You should really only play with your timing with the aid of a knock sensor monitor.

i.e. you should listen for signs of knock as you advance the timing to try for more power.

It would be a shame to damage that wonderful 20V engine with too much advance!

Thanks for that graph, that is way more advance than I am prepared to use at this stage of the game.

For ignition tuning I will be using the OEM knock sensor as VEMS has knock sensing built in. EGT is also useful as it allows you to measure the effect of ignition advance as you are able to detect the increase in temperatures before detonation sets in, VEMS can also read K-type thermocouples Hurray!

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Messages In This Thread

How the 4A-GE ECU works - JMR_AW11 - 01-10-2006, 09:52 PM

[] - alimonos - 01-10-2006, 10:31 PM

[] - firehawk - 01-10-2006, 10:53 PM

[] - banpei - 01-10-2006, 11:12 PM

[] - JMR_AW11 - 01-10-2006, 11:19 PM

[] - ZaX - 01-11-2006, 10:38 AM

[] - NoHachi - 01-11-2006, 10:50 AM

[] - dreja - 01-11-2006, 11:34 AM

[] - gon - 01-11-2006, 12:31 PM

[] - alimonos - 01-11-2006, 12:50 PM

[] - Ivan141 - 01-11-2006, 12:50 PM

[] - irishtwincam - 01-11-2006, 02:07 PM

[] - JMR_AW11 - 01-11-2006, 02:37 PM

[] - JMR_AW11 - 01-11-2006, 02:47 PM

[] - JMR_AW11 - 01-11-2006, 02:58 PM

[] - phatBob - 01-12-2006, 01:39 AM

[] - JMR_AW11 - 01-12-2006, 10:57 AM

[] - NoHachi - 01-12-2006, 11:13 AM

[] - firehawk - 01-12-2006, 12:12 PM

[] - JMR_AW11 - 01-12-2006, 02:34 PM

[] - dAYTONA - 01-12-2006, 06:51 PM

[] - Denmark - 01-12-2006, 11:55 PM

[] - JMR_AW11 - 01-13-2006, 01:02 AM

[] - JMR_AW11 - 01-13-2006, 01:10 AM

[] - alimonos - 01-13-2006, 10:38 AM

[] - JMR_AW11 - 01-13-2006, 10:52 AM

[] - firehawk - 01-13-2006, 01:24 PM

[] - JonT - 01-13-2006, 01:46 PM

[] - Denmark - 01-13-2006, 10:37 PM

[] - phatBob - 01-14-2006, 01:08 AM

[] - JMR_AW11 - 01-17-2006, 01:21 AM

[] - JMR_AW11 - 01-17-2006, 01:26 AM

[] - NoHachi - 01-17-2006, 01:37 AM

[] - JMR_AW11 - 01-17-2006, 03:04 PM

[] - Denmark - 01-17-2006, 04:23 PM

[] - alimonos - 01-18-2006, 02:19 AM

[] - phatBob - 01-19-2006 01:20 AM

AE86 ECU software - irishtwincam - 01-19-2006, 04:23 PM

[] - El_Camino - 05-21-2006, 10:59 AM

[] - cannabolic - 05-26-2006, 09:50 AM

[] - np303 - 12-05-2006, 07:46 PM

[] - SuperHessu - 12-06-2006, 12:16 PM

[] - NoHachi - 12-06-2006, 12:58 PM

[] - SuperHessu - 12-06-2006, 01:35 PM

[] - banpei - 12-06-2006, 06:45 PM

[] - Ivan141 - 12-06-2006, 07:35 PM

[] - irishtwincam - 12-06-2006, 09:44 PM

[] - banpei - 12-07-2006, 10:43 AM

[] - alimonos - 12-07-2006, 11:02 AM

[] - Bad_Dog - 12-07-2006, 11:13 AM

[] - firehawk - 12-07-2006, 01:44 PM

[] - Bad_Dog - 12-07-2006, 02:20 PM

Greetings from the States - Red - 12-07-2006, 07:35 PM

Re: Greetings from the States - JMR_AW11 - 12-26-2006, 01:39 PM

[] - JMR_AW11 - 12-26-2006, 02:46 PM

[] - Harvey - 12-26-2006, 08:52 PM

[] - Red - 12-26-2006, 08:57 PM

[] - JMR_AW11 - 12-27-2006, 12:14 AM

[] - Red - 12-27-2006, 12:33 AM

[] - JMR_AW11 - 12-27-2006, 12:34 AM

[] - Harvey - 12-27-2006, 01:14 AM

[] - np303 - 02-25-2007, 05:43 AM

[] - domi - 02-25-2007, 06:46 AM

[] - firehawk - 02-25-2007, 09:13 PM

[] - domi - 02-25-2007, 10:31 PM

[] - jamiemirror - 02-25-2007, 11:07 PM

[] - firehawk - 02-26-2007, 09:47 AM

[] - domi - 02-26-2007, 11:16 AM

[] - JMR_AW11 - 02-28-2007, 09:32 PM

[] - domi - 03-03-2007, 09:10 AM

[] - Toyota T23 - 03-04-2007, 12:22 AM

[] - Toyota T23 - 03-09-2007, 01:50 AM

[] - JMR_AW11 - 03-09-2007, 08:43 PM

[] - Toyota T23 - 03-10-2007, 01:35 AM

[] - Red - 03-11-2007, 03:48 AM

Question About ECU - CHACAMAN - 03-26-2007, 01:43 PM

[] - domi - 03-27-2007, 07:48 AM

little black box - thanhngo - 07-26-2007, 03:41 PM

ECU - stefanj2k - 07-27-2008, 07:46 PM

[] - banpei - 07-27-2008, 10:56 PM

[] - stefanj2k - 07-30-2008, 09:29 PM

[] - XJS - 07-30-2008, 10:31 PM

[] - banpei - 07-31-2008, 11:58 AM

[] - stefanj2k - 08-15-2008, 05:05 PM

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