DIY ECU remap project....
02 September 2002, 11:18 PM
#151
In reply to Steve (scoobyduck)....
I was sorting a program to go through and log portions of memory, only I got distracted this evening, doh.
Basically my plan is to read and graph each byte in the memory for say 3 seconds. All the while I will have a signal generator hooked up to the sensor in question (or blip the throttle for duty cycle). So for the lambda sensor I should suddenly see a 0-255 sinewave flash up for 3 seconds, then bingo, note the address and move onto the next one. I have only a few more to find that I want, and they might be a little harder to find, like ignition retard value etc.
As for brakes Rally Design do wilwood stuff. HiSpec also do some kits at good prices (using wilwood discs would be nice though). Most other solutions are probably more expensive and over the top for what you want. Godspeed also do kits, not bad for the price, but the above places do something noticable better for not much more, IMHO of course.
Cheers
P
I was sorting a program to go through and log portions of memory, only I got distracted this evening, doh.
Basically my plan is to read and graph each byte in the memory for say 3 seconds. All the while I will have a signal generator hooked up to the sensor in question (or blip the throttle for duty cycle). So for the lambda sensor I should suddenly see a 0-255 sinewave flash up for 3 seconds, then bingo, note the address and move onto the next one. I have only a few more to find that I want, and they might be a little harder to find, like ignition retard value etc.
As for brakes Rally Design do wilwood stuff. HiSpec also do some kits at good prices (using wilwood discs would be nice though). Most other solutions are probably more expensive and over the top for what you want. Godspeed also do kits, not bad for the price, but the above places do something noticable better for not much more, IMHO of course.
Cheers
P
03 September 2002, 12:19 AM
#152
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Paul,
ok about brakes - actually ,managed to have a look at said pages today & think the HiSpec Billet 6pots are what I'm gona do.
Wilwoods look really nice & have got a back matching caliper too, which would be nice to even the load out.
(I was actually wondering about the STI7 setup u were talking about - but have since found out how expensive pads are
)
Now, ECU values....
the range 0x0F00 -> 0x0FFF should be where the values are. if you do a block read and import to Excel & look it's easy to tell what's what (if you press pedals, rev etc).
think throttle position is 0x0F29, so that should be a starting point (if you've not got that far already!
)
cheers,
Steve
p.s what'd yah rekon to my boost values after 4500rpm? (see dyno plot in Southern, EastSussexRR page 8 I think...) ?? drops to 0.65bar starting from about 4500.. normal!?!?
ok about brakes - actually ,managed to have a look at said pages today & think the HiSpec Billet 6pots are what I'm gona do.
Wilwoods look really nice & have got a back matching caliper too, which would be nice to even the load out.
(I was actually wondering about the STI7 setup u were talking about - but have since found out how expensive pads are
)Now, ECU values....
the range 0x0F00 -> 0x0FFF should be where the values are. if you do a block read and import to Excel & look it's easy to tell what's what (if you press pedals, rev etc).
think throttle position is 0x0F29, so that should be a starting point (if you've not got that far already!
)cheers,
Steve
p.s what'd yah rekon to my boost values after 4500rpm? (see dyno plot in Southern, EastSussexRR page 8 I think...) ?? drops to 0.65bar starting from about 4500.. normal!?!?
03 September 2002, 09:15 AM
#153
Boost dropping is quite normal, especially for the later cars which have small turbo's. I think they struggle to get 0.9bar at the top end even with dawes or similar.
I suspect however that Subaru saw fit to help the situation with differnet cams, which would explain why yours makes good power despite the low boost at high revs.
Paul
I suspect however that Subaru saw fit to help the situation with differnet cams, which would explain why yours makes good power despite the low boost at high revs.
Paul
03 September 2002, 11:05 AM
#154
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Paul,
I know they drop it off at high rpm, but I thought that ment 5500->6000 +++ ???
basicly I need more boost .. thought 0.9 was standard, mine seems to hold(ish) about 0.85, which is 'ok' but I'm sure people like JohnBanks can get (the same turbo? on 99/00??) near 1.1. obviously not at high revs ..
maybe I'm hoping for too much from my little turbo
But I WANT MORE POWER ! hee hee
I was impressed with Chris's dyno. if you have a look at his plot (E.Sx RR page8) he holds just over 1bar, much flatter than mine, right up to over 6k . DOH - he's got a bigger turbo...MY96 !
Steve
I know they drop it off at high rpm, but I thought that ment 5500->6000 +++ ???
basicly I need more boost .. thought 0.9 was standard, mine seems to hold(ish) about 0.85, which is 'ok' but I'm sure people like JohnBanks can get (the same turbo? on 99/00??) near 1.1. obviously not at high revs ..
maybe I'm hoping for too much from my little turbo
But I WANT MORE POWER ! hee hee
I was impressed with Chris's dyno. if you have a look at his plot (E.Sx RR page8) he holds just over 1bar, much flatter than mine, right up to over 6k . DOH - he's got a bigger turbo...MY96 !
Steve
03 September 2002, 11:10 AM
#155
Yes, the TD05 on chris's turbo should hold 1.3bar to the redline.
There are options, check out the various drivetrain threads. I think the best person to contact for advice is John Banks, as he has tried many options on his car which is similar enough to yours. He should able to tell you the pros and cons of each, the sort of money involved. R19KET can sort out turbo mods once you think you know what you want.
Paul
There are options, check out the various drivetrain threads. I think the best person to contact for advice is John Banks, as he has tried many options on his car which is similar enough to yours. He should able to tell you the pros and cons of each, the sort of money involved. R19KET can sort out turbo mods once you think you know what you want.
Paul
03 September 2002, 11:19 AM
#156
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P20SPD - thanks .. that's nice to know it COULD hold some sort of boost!
Paul - not looking at changing the turbo (at the mo anyway!) just wanting to work out how to get it from dropping that low (may well be something not right - actuator/dump value / ecu ?!?).
Also peak a bit higher too.
The problem with my car Paul, is that it's not a flashable ECU, so all of Johns work with ECUTEK is usefull, but in the end, not!
but at-least he should be able to say how much it should be capable of holding. not too worried about high rpm boost - just want a bit more 'over-all' / lower down! i.e. in usefull power range.
looking at Keith's dyno (Krud), he's boosted from a 224 to 260 odd with just a TEK1 on a MY99/00 wagon. he's gona dig his old plot out and see what he was holding Bar wise.
Shame dyno.scoobynet.co.uk does only plots from PE, which are ONLY bhp&lb-ft (in .................................. mode!!)
Steve
Paul - not looking at changing the turbo (at the mo anyway!) just wanting to work out how to get it from dropping that low (may well be something not right - actuator/dump value / ecu ?!?).
Also peak a bit higher too.
The problem with my car Paul, is that it's not a flashable ECU, so all of Johns work with ECUTEK is usefull, but in the end, not!
but at-least he should be able to say how much it should be capable of holding. not too worried about high rpm boost - just want a bit more 'over-all' / lower down! i.e. in usefull power range.
looking at Keith's dyno (Krud), he's boosted from a 224 to 260 odd with just a TEK1 on a MY99/00 wagon. he's gona dig his old plot out and see what he was holding Bar wise.
Shame dyno.scoobynet.co.uk does only plots from PE, which are ONLY bhp&lb-ft (in .................................. mode!!
)Steve
03 September 2002, 11:26 AM
#157
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Steve
I think they do others as well, like Well Lane, Clive Athlowe???, its at the top of the page under where it says THIS IS THE POWER ENGINEERING PAGE, there are others to click.
Sorry if thats not what you meant, but thats how i interpreted(sp?) it.
Steven
I think they do others as well, like Well Lane, Clive Athlowe???, its at the top of the page under where it says THIS IS THE POWER ENGINEERING PAGE, there are others to click.
Sorry if thats not what you meant, but thats how i interpreted(sp?) it.
Steven
03 September 2002, 11:39 AM
#158
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Steven,
yeah - I know the PE Phase1 is about the only way to go with a standard ECU. other than that it's MOTEC/GEM etc.
Or, a boost controller. but I think I want to keep it all in the ECU (i.e. dont like dawes/BC's!)
anyway - so just want a bit more 'easy' power by upping boost to 15 psi in stead of 11 ! (but safely!)
Steve
yeah - I know the PE Phase1 is about the only way to go with a standard ECU. other than that it's MOTEC/GEM etc.
Or, a boost controller. but I think I want to keep it all in the ECU (i.e. dont like dawes/BC's!)
anyway - so just want a bit more 'easy' power by upping boost to 15 psi in stead of 11 ! (but safely!)
Steve
04 September 2002, 05:36 PM
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Nemis,
well , on my laptop at the moment! & different version of the same thing on Pauls & Chris's & Scotts. ..etc etc.
we've all been playing & come up with differing version for what we want to see / get out of the car....
hopefully, when we've got it a bit more sussed (technical term there!) we're release it all on a web site, so anyone can have a play (at their own risk - obviously!)
Steve
well , on my laptop at the moment!
& different version of the same thing on Pauls & Chris's & Scotts. ..etc etc.we've all been playing & come up with differing version for what we want to see / get out of the car....
hopefully, when we've got it a bit more sussed (technical term there!) we're release it all on a web site, so anyone can have a play (at their own risk - obviously!)
Steve
12 September 2002, 10:44 PM
#163
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Nemis,
as of MY99 onwards, the diagnostics is done through a different protocol (OBD-II).
This project & diagnostics software is done using the Subrau Select Monitor protocol and NOT OBD-II.
So, unfortunatly, an STI7 would not work with any of our ECU readers !
If you want to look at ECU parameteres, then there are numberous OBD readers & interface circuits out there in hyperspace, or you need the DeltaDash software.
sorry about that!
Steve
as of MY99 onwards, the diagnostics is done through a different protocol (OBD-II).
This project & diagnostics software is done using the Subrau Select Monitor protocol and NOT OBD-II.
So, unfortunatly, an STI7 would not work with any of our ECU readers !
If you want to look at ECU parameteres, then there are numberous OBD readers & interface circuits out there in hyperspace, or you need the DeltaDash software.
sorry about that!
Steve
16 September 2002, 05:18 PM
#164
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Steve,
Although MY99 onwards cars are OBD compatible they do still also support the select monitor protocol, I believe our readers will work on later cars (well UK MY99/00 anyway).
Andrew...
Although MY99 onwards cars are OBD compatible they do still also support the select monitor protocol, I believe our readers will work on later cars (well UK MY99/00 anyway).
Andrew...
16 September 2002, 05:54 PM
#165
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Ohh ..welcome back Andrew!
& that is interesting ! so Nemis - you might be able to use the s/ware!
although .. if you want much faster outputs of everything, then the OBD-II is the way to go (freeware / dela-dash etc) as it's so much faster.
However - there is soon going to be a nice in car display that'll show you a few things in real time !
All depends on what you want/need it for!
cheers
Steve
[Edited by ScoobyDuck - 9/16/2002 6:00:25 PM]
& that is interesting ! so Nemis - you might be able to use the s/ware!
although .. if you want much faster outputs of everything, then the OBD-II is the way to go (freeware / dela-dash etc) as it's so much faster.
However - there is soon going to be a nice in car display that'll show you a few things in real time !
All depends on what you want/need it for!
cheers
Steve
[Edited by ScoobyDuck - 9/16/2002 6:00:25 PM]
17 September 2002, 10:09 AM
#168
don't think so.
the OBD-II is slower than Select. At a subaru dealer Select is the preffered method, and is different on the phase 2 engines.
I don't think OBD-II works properly on the 93-98 cars, I could be wrong.
Paul
the OBD-II is slower than Select. At a subaru dealer Select is the preffered method, and is different on the phase 2 engines.
I don't think OBD-II works properly on the 93-98 cars, I could be wrong.
Paul
17 September 2002, 11:59 AM
#169
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Paul (or others) Do you know the useful range of the 93-96 MAF meter ?
Is it likely to have peaked/flattened/saturated or something on my engine ?
My question is....... Will my car benefit from bigger injectors and a remap or am I a lost cause
Is it likely to have peaked/flattened/saturated or something on my engine ?
My question is....... Will my car benefit from bigger injectors and a remap or am I a lost cause
17 September 2002, 12:47 PM
#170
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andy, im unsure about your car as it must have something extra in their to control the 5th injector... Has anybody found this antilag thing or is it a wild goose chase?
David
David
17 September 2002, 01:14 PM
#171
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ODB-II is slower !?!? not looked into it, but thought that's what DELTA DASH used? if not - how does it log (what appears to be) alot faster than Select?
Andy - not 100% sure, but I'm sure some people have said that although it's ment to be a 2bar sensor, it seems to give non-linear results after about 1.3bar - abt 19psi (??)
Not totally sure if this is right, more of hear-say...having never done tests on it, in a controled environment!
someone must have the spec sheet on the thing!
Steve
p.s. ALS - think it was one carrott dangled too far ! be nice tho!
Andy - not 100% sure, but I'm sure some people have said that although it's ment to be a 2bar sensor, it seems to give non-linear results after about 1.3bar - abt 19psi (??)
Not totally sure if this is right, more of hear-say...having never done tests on it, in a controled environment!
someone must have the spec sheet on the thing!
Steve
p.s. ALS - think it was one carrott dangled too far !
be nice tho!
17 September 2002, 03:41 PM
#173
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but that would be 70000hp capacity, which is a little excesive.
What is the peak voltage output of the MAF ? Assuming I'm not there yet, then a remap could work OK ? As long as it was done by a decent wide band Lamda and not just AFR targets as I assume any linearity is long gone due to my induction system.
David I don't think the 5th injector runs under load conditions, (according to Steve S at TEG) will find out as soon as I run it with the FEFMIC as it is now in the wrong position to distribute fuel across 4 cylinders
17 September 2002, 03:56 PM
#176
I am not 100% on the MAF thing, but I think it tops out at 5V. Should be easy enough to just put a DVM on the MAF, and take note at peak voltage.
If the voltage tops out, you can look at getting a bigger/better flow MAF as available through the Yank company noted earlier.
paul
If the voltage tops out, you can look at getting a bigger/better flow MAF as available through the Yank company noted earlier.
paul
17 September 2002, 04:22 PM
#178
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David
I've not done it yet, still waiting on silicon hoses, intercooler core, alloy pipe.............yawn.
ps When you actually finish the DIY FMIC project and the final post says "Complete....The End" Will there be a ceremony or minutes silence
I've not done it yet, still waiting on silicon hoses, intercooler core, alloy pipe.............yawn.
ps When you actually finish the DIY FMIC project and the final post says "Complete....The End" Will there be a ceremony or minutes silence
17 September 2002, 04:23 PM
#179
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It will be in by the weekend...
ignoring the other comment!
David
[Edited by David_Wallis - 9/17/2002 4:23:43 PM]
ignoring the other comment!
David
[Edited by David_Wallis - 9/17/2002 4:23:43 PM]
17 September 2002, 04:31 PM
#180
Are you sure the MAF works on Voltage and not Frequency.
I beleive the MAF on a Mitsi EVO is used to determine fuel cut as they don't have a MAP. The MAF/ECU uses something called a Karman Frequency. See http://www.lancerregister.com/bbs/sh...ght=map+sensor
[Edited by Scott.T - 9/17/2002 4:34:03 PM]
I beleive the MAF on a Mitsi EVO is used to determine fuel cut as they don't have a MAP. The MAF/ECU uses something called a Karman Frequency. See http://www.lancerregister.com/bbs/sh...ght=map+sensor
[Edited by Scott.T - 9/17/2002 4:34:03 PM]