Formal Request for COS5 for 1MB PCMs (04 GTO, etc)

[GMPX]

What I had planned on doing was stripping down the custom OS's, so for the NOS guys, they simply have the monitored input and the fuel / spark tables to match, that was it, no TPS VE, no Boost VE etc.
Doing it this way means the possibility of adding a NOS custom OS to all 55 GenIII operating systems makes it a less daunting task and also gets the job done quicker.
PCM Flash memory space constraints will dictate that a custom OS5 cannot be done on many 2004+ OS's anyway.

Of interest, I mentioned above 55 OS's for the GenIII, this is since 1998, for the GenIV, between just the E38 & E67 there is over 50 OS's we support for them since they came out in 2006, this is where much of our R&D time is going at the moment. What is GM doing!!!

Have a think about how a simplifed NOS custom OS would work for you.

Cheers,
Ross

[Kevin Doe]

If I had my pick of course I'd like a full up COS5, but like you said there are way too many OSs to cover. Sounds like you are not or cannot do a full up OS for the 04 GTO PCM. If that is the case then yes, I would prefer to have a nitrous OS as opposed to nothing.

I basically want to run a dry shot of nitrous in speed density. I have thought about doing a rear mount turbo, but in reality I'll probalby stay NA.

[Kevin Doe]

If I understand correctly there is a COS3 available for 12587604. Wouldn't be easier to just add the nitrous to that as opposed to stripping it down first, then adding it? Nitrous added to COS3 would make me a very happy man.

[brokenfly]

Have a think about how a simplifed NOS custom OS would work for you.

Cheers,
Ross

i have experimented a little with the resistor inline off the iat for the spark...
that same value can be used for the pe fuel modifier off the iat as well...

i need to get my car operational again so i can experiment more...
maybe a resistor mod for the ect to control the open loop fuel table,then tweak with the pe iat fuel modifier...

[Kevin Doe]

*crickets*............

[Highlander]

How i see this working as it should...

1) We need to add a 3d table that we can hook up a fuel pressure sensor for the bottle. So we can do a pressure vs rpm 3d table for fuel modifier! (VE)

2) A timing retard table vs RPM

3) An activated output that works for a window switch directly from the PCM

That would be the best way. But using the tables available in the COS5 which is a retard and a PE modifier adder.. .Well.. that should be enough.

But for simplicity.. a simple 2d table for RPM retard and a simple 2d table for fuel adder would work... i think...

And be able to log all of this of course!!! here you go ross...

I would love to have this for the E38 Z06 file.

[Kevin Doe]

Ross, Paul, anyone out there!

[brokenfly]

got the used 243's slapped on the old gal...

same everything i have in the car as before,just a set of used ls6 heads...
the same (150hp wet kit)...

6.85@101mph 1/8th mile track...

still looking forward to cos#5 for the 2004 gto...

(holden on and holden out)...

[articSS]

congrats on the p.b. i need to go to redline. Hope they make the co5 for you guys soon so you can show me how to use it to its full potetial.lol

[brokenfly]

congrats on the p.b. i need to go to redline. Hope they make the co5 for you guys soon so you can show me how to use it to its full potetial.lol

2 stage dry is the ticket...just enough down low to flash up the converter,then pile on the rest...

then we will be the only 2 known cos#5 dry shot setups north of the equator actually going down the track...