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The Terminator
Engine/Tuning
Self Tuning With SCT Pro Racer
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<blockquote data-quote="Machdude" data-source="post: 16403173" data-attributes="member: 150806"><p>There’s a very good thread on the mach1registry.com </p><p></p><p>The book is your best bet but there are some confusing parts at least for me since the Mach 1 ecm has limits and I have to scale things such as my injectors my maf ad counts etc in order to achieve what I needed. I think the cobra ecm has less limits so you shouldn’t have to worry. </p><p></p><p>The book does a good job of explaining what everything in the software does. The main thing is is the maf. To start off once you load your base tune get some logs in and basically compare what you are commanding for fuel to what readings you get out of your wideband. Depending on wether you’re rich or lean you adjust your maf counts to adjust the fuel. </p><p></p><p>In the book it tells you do do that by loading up a tune where you’re at 1.0 lambda on all the fuel cells then running your car at idle and part throttle (NEVER GOING WIDE OPEN) to compare your comman vs actual then adjusting</p><p></p><p>After that initial adjustment you load up a tune with your commanded fuel on the rich side while also keeping your timing backed way down then you take some logs and again adjust your maf counts so that your wideband readings match your commands then after that’s all set up you can start playing with timing, dashpots fuel pump voltages etc</p><p></p><p>Again read the book all this info is in there. It’s been like a year since I tuned mine so I might be a bit rusty. </p><p></p><p></p><p>Sent from my iPhone using Tapatalk</p></blockquote><p></p>
[QUOTE="Machdude, post: 16403173, member: 150806"] There’s a very good thread on the mach1registry.com The book is your best bet but there are some confusing parts at least for me since the Mach 1 ecm has limits and I have to scale things such as my injectors my maf ad counts etc in order to achieve what I needed. I think the cobra ecm has less limits so you shouldn’t have to worry. The book does a good job of explaining what everything in the software does. The main thing is is the maf. To start off once you load your base tune get some logs in and basically compare what you are commanding for fuel to what readings you get out of your wideband. Depending on wether you’re rich or lean you adjust your maf counts to adjust the fuel. In the book it tells you do do that by loading up a tune where you’re at 1.0 lambda on all the fuel cells then running your car at idle and part throttle (NEVER GOING WIDE OPEN) to compare your comman vs actual then adjusting After that initial adjustment you load up a tune with your commanded fuel on the rich side while also keeping your timing backed way down then you take some logs and again adjust your maf counts so that your wideband readings match your commands then after that’s all set up you can start playing with timing, dashpots fuel pump voltages etc Again read the book all this info is in there. It’s been like a year since I tuned mine so I might be a bit rusty. Sent from my iPhone using Tapatalk [/QUOTE]
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