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Message: <blockquote data-quote="speedchaser" data-source="post: 1154965" data-attributes="member: 5171">Wooo.. haven't been here a few days and so many posts. Might as well chime in into my favourite subject. :)First thing is I will never compare a standalone with a OEM ECU because the advantages of the OEM had been mentioned countless of times. I believe this topic comes from upping more timing on the Toyota with a standalone and squeezing more power out of it. No offence meant, if reliability is an issue then we should be keeping everything stock standard.My first 4AG 16V (TVIS) was fired up in 1993 with all the go fast bits like cams, Webers ‘45s etc.. which I’ll not go into and it lasted me all this years with RPMs to 8k everyday (not everytime though). No re-builts or overhauls. That was before standalone was popular. I changed to GZE in 2003 for the sake of changing not because the old engine was bust. That’s what Toyota reliability is to me.There was a saying way back then, “If a part of the engine needed a 20mm bolt, Honda will put 20mm and Nissan will put a 25mm but Toyota will put a 40mm!” Look at the GZE con-rods and you’ll see what I mean.As for a standalone, do not confuse 3D maps with overlapping 2D or 3D maps. A 3D map is built upon 2 constants, ie; the RPM vs Load and the value on it is the 3rd which is the variable that constitute a 3D map. Start your excel and built up one and you’ll know what I mean. On the RPM vs Load, at a constant of 3,000 RPM there will be different Load points, that’s 2D and at a constant load point with you can have different RPMs, that’s another one. Intersperse it together and you’ll get your 3D map for RPM vs Load. Do that with RPM vs Ignition and you get another 3D map. Do that with RPM vs Throttle angles and you’ll get another one. Intersperse it together you will have overlapping map points for references.No offence meant again, a standalone 3D map is a reference to pinpoint a variable against 2 constants and not the other way round.Take a look at this chart and you'll see what I mean.http://www.speedchaser.net/misc/rpm%20vs%20load.jpg</blockquote>

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