dsm ecu on ka = 12.3sec

[180sx]

it started in my other thread but i want more opinions on this :

Quote, originally posted by 180sx » HERE i found 1 of the dsm swaps http://www.cardomain.com/ride/432941/1

what the....

"what the" is correct my friend ... u can imagine "WHAT the ?" when i seen "bone stock motor" in there too for the first time ...

see thats why i am more than sure with right timing and air vs fuel factory can go long ways(besides ecu fuel/air components) before kaboom unless u have other issues ... the other dsm ecu swap is running 18psi and on bigger turbo i think

but my even bigger question /theory is this ...from what i have learned so farturbo ecu has different mapping(forulas,values which ever you prefer to call it ) than naturally aspiraterd ecu mapping is ussaly = amount of fuel to be injected per air sucked /and fired at x degreewhere air is being measured via MAFS so per x value MAFS sends to ecu , ecu loggs it into the formula and finds the right signl to send to injectors /distributor(process in simple words)

and since values for turbo map are different as far as fuel per air and timing ( whenn spark will occur) on turbo mapped ecu vs naturally aspirated you will get much desired resaults by running turbo ecu on your project.

and above link shows it where turbo ecu of dsm was used and those mapped values where used instead of ka24e ecu non turbo values

So to sum it all up u can buy standalone ecu(aem megasquirt etc) / reburn stock eprom(thats where maps (formulas,values ) are kept(jwt ,doughter boards) /get piggyback msd for timing and safc for fuel, e manage for both , etc all that is done to achive 1 goal and that is gain desired maping , so per desired amount of air you will get proper amount of fuel at x degree per stroke . now "proper" is of course the best determained by going on the dyno.

and than "proper " needs to be inputed into the mapping by one of the above listed ways , piggyback ,standalone etc

my point is going turbo will require you to get proper or next closest thing as far as values maps formulas whichever you want to call it so Dsm ecu swap guy isn't getting "proper" but at least turbo ecu values and you can see the resaults

and at the end of my theory dsm swap is a right step but my question is THIs why dsm , nissan makes turbo ecu(ca1.8 sr 20 etc other 4 cyl similar displacement turbo engines ) which have turbo maping you would want. and ca as well as sr have same ecu plug .so why not them???

yes AEM and other stanalones on dyno will give you "proper" but most of us don't have the $$$ to get AEM etc and some overlook this isssue and go ahead boosting by only adjusting fuel or nothing at all and getting resaults of ....shiet i hate ka i should of gotten sr etc

so first thing you should be doing for your ka-t project is setting aside money for dyno(something to adjst mapping)or getting premaped JWT any other turbo ecu well please be nice and guide me where i went wrong ... and yes as you can tell i am still learning English

[Import_Ant]

I'd like to get more info from the guy who claims to have done that. the things that are confusing me is the 4G63 motor doesnt use a distributor I'm pretty sure it may even have a different firing order. IF and only if he really did get it to work there must have been alot of wiring going on. I can see the appeal. DSMs are a dime a dozen out here and parts are very cheap but... something just doesnt add up to me.

[1WheelWonder]

If i'm not mistaken a guy on Ka-t.org with the screen name Efeezi just ran a 11.9 at like 117mph on the dsm ecu and ssac mani and turbo.

[superDorifto]

I'd like to get more info from the guy who claims to have done that. the things that are confusing me is the 4G63 motor doesnt use a distributor I'm pretty sure it may even have a different firing order. IF and only if he really did get it to work there must have been alot of wiring going on. I can see the appeal. DSMs are a dime a dozen out here and parts are very cheap but... something just doesnt add up to me.

yeah, i just came over from the dsm scene, the inition is a direct fire unit w/ two coil packc th at fire alternately for their respective cylinders....not hard to change tho, just swap the wires and BOOM alternate firing order. plus the low impedence injectors allready have a resistor pack wired into the engine harness. as long as the sensors on the KA operate at the same voltages as on the DSM harness, it might work.....must suck to wire tho

[574-240sx]

For all that trouble minus well go mega squirt spark and fuel which is a full standalone. Also not a bad place to relocate power steering.

[Checkered-Member]

Cool idea however impractical, why not just get a JWT ECU? Plug and play vs. a week and half of wiring, and I don't think it will be cheaper.

Because with the DSM you need, dsm ecu + custom fuel + a distributorles ignition.

Same cost 100 times less trouble...why because the DSM ecu is built for turbo? well so is the JWT ECU, so I don't see the point.

[turtl631]

MAP sensor, coil on plug setup.

[180sx]

the point is dsm ecu and sensors with coil pack are widly awailable at quite reasonable price (even junyards have em), , and sorrie but over 350 hp at the crank is impresive on stock internas. my question through out the dilema was sr and ca are both turbo ecu as well with same harness plg and same sensor as ka so.....instead of trying to argue lets see how dsm swap can be simplified by using sr or ca ecu....also there is a name of a companythat did the dsm swap if you read his cardomain . so morre info is there if you call.

theory is this when you boost u retartd timing , when you run naturally aspirated you advance timing , so go figure how u blow your ka faster by running boost while your ecu reading advance , and even thow safc gives you more fuel u still missing timing..

megasquirt is great , but as far as turbo upgrade goes u need something at first thats premapped for turbo .and if you haven't got time to play around just plug and play from sr would be gret

as far as JWT hahah is there anyone here with jwt ecu running 15psi on stock internals ????i bet there is AEM and etc that do but i never hear good things about jwt

[nissanfanatic]

Well you do get this when you use a DSM ECU....

That guy is on KA-T.org too. His SN is elks240.

[Checkered-Member]

MAP sensor

greddy e-manage + pressure sensor = $350

coil on plug setup.

optimal for high revving engines, when was the last time you saw a high revving KA?

[Jookmasta]

i would like to know a general price break down for all the components that is required for u to use a dsm ecu. i have to side with the majority as i would think that even if you saved 200 bux, you still need to add in the time it takes to rewire and the risk of messing up the wiring while doing the rewiring. is 200 bux really worth it?

now as for the website which basically breaks down the dsm ecu and all of its parameters/variables, thats really neat to see that dsm peeps have that at their disposal. most people that are looking to reburn or customize their ecu would already dealing with the bikirom stuff. the road of ka-t is getting more populated but we are still small in comparison to others. i could see something like that (webpage) but for our cars in the future but as of right now, i would think most of us are trying to rewire as little as possible.

interesting find tho as if someone had told me this from their mouth, i would be very skeptical as to how true their story is.

[deviousKA]

KA24 specific ecu tuning forum will be up at the end of the week. No need to swap to a dsm ecu to use its ecu hacking/tuning capabilities.

Btw, ka24de is already running a mitsubishi MCU