Originally Posted by tephra
(Post 5240745)
well i saw thinking about this today.
do you really need injector scaling switching? |
yeah read that this morning..
i will see what I can do :P |
^ Thanks much
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Originally Posted by Jack_of_Trades
(Post 5231576)
DIY ALT MAP harness tutorial is now updated with donation links for Tephra's patches and purchasing links for the ALT MAP harness' offered by me if you don't want to make your own. Cost is $18.99 plus 3 choices of shipping for anyone interested.
http://www.dsm-ezine.com/evoVIII_adc_switch.html CLICK HERE! The Aquamist setup w/ GM BCS (which I use) will be particularly eloquent, because the DDS gauge has a power switch on it. The failsafe output will provide +12v (which I will drop to 5V with your info, ecu pin and 220k resistor) when the system is armed and functioning correctly. If failsafe occurs, OR I switch the DDS gauge off, I will be dropping to base boost, fuel, and timing maps, so I can be alky or no alky at the push of one button. |
Its such a large tutorial (plus the videos) that I felt it was best to just upload it on my site. Possibly once its done I can convert most of it onto here if needed.
I will be offering a "universal failsafe control unit" very soon which accepts three +12v inputs, three +5v inputs and three ground inputs which all can be used simultaneously which trigger a regulated +5v output to the ECU input. I also am adding a pair of low current +12v, +5v and ground outputs to activate any additional failsafes like a wastegate bypass solenoid. If more than 500mA of current is needed, you simply would need to add a relay to your setup. I just need to price out all of the components. |
I verified with Richard @ Aquamist how we could nicely integrate this with an Aquamist HFS-1 or HFS-5 system. The wiring is quite simple. I will be testing this when I get my HFS-1 kit and whenever tephraV5 comes out!
https://www.evolutionm.net/forums/sh...60#post5253860 |
Richard pointed out a better way for me to make the harnesses so its a solid 5V when switched on, regardless of battery voltage. I will update the tutorial soon.
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I have guys at Mercedes that are tripping over this patch.
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Originally Posted by laramie_05MR
(Post 5260402)
I have guys at Mercedes that are tripping over this patch.
Is that good or bad? |
I have a QTP downpipe, I am going to add Meth injection and ECU based boost control with the JDM map sensor and the switch thingy. I want to switch maps between QTP pipe open, boost up, meth on OR QTP pipe closed, boost down, meth off.
For some reason I can't get my mind around this too well. I can do this setup right? Don't worry, I will not be doing this myself (I can do the installs, but the ECU is beyond me as of yet), but I am goin to have someone do this for me. i just have to be able to explain what I want. Keep up the good work! |
Yep, tephra's map switching and my boost control mods will be compatible.
These mods aren't too hard to do, but it does take some understanding of the basic items (ROM, ECUFlash, modifying certain files, ...) |
Originally Posted by EvoG8r
(Post 5261640)
I have a QTP downpipe, I am going to add Meth injection and ECU based boost control with the JDM map sensor and the switch thingy. I want to switch maps between QTP pipe open, boost up, meth on OR QTP pipe closed, boost down, meth off.
For some reason I can't get my mind around this too well. I can do this setup right? Don't worry, I will not be doing this myself (I can do the installs, but the ECU is beyond me as of yet), but I am goin to have someone do this for me. i just have to be able to explain what I want. Keep up the good work! |
Originally Posted by Mojo Rising
(Post 5260976)
Is that good or bad?
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Tephra, sent you email in reply to your disasm.
I lost the copy to post here to let the others know what we are thinking, but basically I've suggested that Tephra could change his pointers to RAM to have two copies of fuel, timing, boost, injector. These would be in 2 x 2k blocks - master copy stored in ROM and then they are copied to RAM when the ECU is reset. By grafting on my DMA RAM editing patch and working the PC software I've been doing a bit more, the user could then edit the two copies of the maps and you can do all your funky switching by switches or sensors and be able to live map as well. |
Sounds good John,
I think the hard bit will be integrating your DMA code into the various ROMID's, so if you can break it down for me that would be great :) |
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