dsm ecu to control engine, honda ecu to control the rest?
 

Im wondering if this is possible. I kno that a honda ecu could run the motor if it wasnt hooked to anything else in the car, i wonder if the dsm could. Just run all wires pertaining to running the enigne, and make the engine run soley off the dsm fuel management?

Think its even possible.

Re:dsm ecu to control engine, honda ecu to control the rest?
 

Yeah its possible, but you just need to figure out how to get your Honda motor to rotate in the opposite direction...

Re:dsm ecu to control engine, honda ecu to control the rest?
 

I dont think the ecu would care what whay it turned(it wouldn't even know) but WHY?

Re:dsm ecu to control engine, honda ecu to control the rest?
 

why, 100% reliable fuel management

think about it, with basically nothing else u can run 15 lbs easily.

Re:dsm ecu to control engine, honda ecu to control the rest?
 

I think it does care...


And also there's a TON of other reasons why it wouldn't work and this topic has been discussed several times before

Re:dsm ecu to control engine, honda ecu to control the rest?
 

It gets a signal from the dizzy, ecu advances the timing, dizzy gets the firing order.I dont think that it would even know. I could be wrong I am not up on my dsm's thats for sure. I am not saying it would work trust me I think its a teriable idea ;) How come your name doesn't come up in red like the other mods Whitey? I think you should strike ;D

Re:dsm ecu to control engine, honda ecu to control the rest?
 

why not just splice in some megasquirt instead? Hell of a lot easier then what you are talking about doing.

Re:dsm ecu to control engine, honda ecu to control the rest?
 

megasquirt still requires tuning for each mod that you do. If im running dsm fuel setups, i turn the boost from 8 to 15 lbs, all i do is turn it up, and let er rip.

Re:dsm ecu to control engine, honda ecu to control the rest?
 

It only comes up in fancy letter for the super special global mods. I'm climbing the corporate ladder and maybe one day I'll have my name in fancy colors too 8) And my stars only turn cool colors when I'm in my hood, the mean street red light district of general discussion

Re:dsm ecu to control engine, honda ecu to control the rest?
 

I'm glad to hear that there is no tuning involved when you put a 2.0L DOHC ECU on a 1.6L SOHC motor ::)

Re:dsm ecu to control engine, honda ecu to control the rest?
 

just go and beat your head against a wall doing a DSM ecu -> honda splice.. I'm sure it will provide us with plenty of entertainment

Re:dsm ecu to control engine, honda ecu to control the rest?
 

Indeed, hahahahahahahahahahahahah.

Get this: EVERY ecu will require a total remap with a total engine change. MAF or no MAF.
MAF based systems can *tolerate* small engine changes but won't be in optimal tune.
You can play with boost all you like with a speed density system, but you need to map it for the amount of boost you run.
Splicing an ECU you can't reprogram onto an engine that's not the exact engine it was programmed for, is just asking for trouble.

Re:dsm ecu to control engine, honda ecu to control the rest?
 

ahh man, I completely forgot about the MAF.. how the hell did you expect to get around that? Were you just planning on bastardizing a GM MAF and then maybe making a block off plate for the MAP sensor? I don't think the DSM ecu will even run right without having some imput with spark.. you did want the honda ecu to still run spark and nothing else?

Re:dsm ecu to control engine, honda ecu to control the rest?
 

ummm...maybe i'm a tard but dsm's don't have distributors to read off of

Re:dsm ecu to control engine, honda ecu to control the rest?
 

They don't have distributors, they run wasted spark.
the 1g have a trigger wheel and pickup on the intake cam but the 2g uses a crank trigger I think.

Re:dsm ecu to control engine, honda ecu to control the rest?
 

neither use a dizzy but both use crank position sensors and several other distributor less ignition items. i had a 1g and the spark was messed up and that was the number one reason to come back to honda. DSM ignition systems are a pain in the ass!!!!

Re:dsm ecu to control engine, honda ecu to control the rest?
 

for some reason I was thinking that the 1g used a distributor.. I know about the 2g and that bastard crank positioning sensor.. why is it that all chrysler products built 1990+ have to somehow incorporate that thing?

Re:dsm ecu to control engine, honda ecu to control the rest?
 

If dsm's have crank and cam sensors than it will most defintly care which way the engine rotates ;)

Re:dsm ecu to control engine, honda ecu to control the rest?
 

That's really the smallest issue.

Re:dsm ecu to control engine, honda ecu to control the rest?
 

gee all of a sudden megasquirt is looking more and more appetizing ;D

Re:dsm ecu to control engine, honda ecu to control the rest?
 

So I read like 4-6 posts on this thread and decided to chime in without reading the rest...

First off, the _reason_ DSMs can run "up to 15lbs" without problem is because the ECU reacts to the sensors of the motor and adjusts fuel accordingly.

You would have to make sure that ever sensor on the ECU is correct. This includes everything from the distributor's sensors, to the MAF/MAP, to the IAT ECT blah blah blah.. everything effects how an engine will perform.

Then you take into account that the turbo DSM ECUs are tuned for 2.0l turbo motors. You'd run pig rich on a stock ECU.

Next, you say, well, you can chip your DSM ECU and scale everything back... this brings us back to square one.

Just chip your Honda ECU, and be done with it.

Investment > Payout::Cool Factor > Practical application.

Re:dsm ecu to control engine, honda ecu to control the rest?
 

hell yeah, parker is back - I feel safer already!