s/c 2.2 eco

[Vic28]

Not it aint, no tune from any cobalt.. We are alpha-n same as j-bodies. Sucks for boost, and the gm reflash for cavalier is locked, so we cant just flash our pcm like 2.4 guys do, and tune away..

[zearchyo]

so what happens if a 2.2l guy ends up getting one of these, how can he tune, vic?

[heineck]

Originally Posted by kwhauck

One word........ Hahn

[Papa Rad17]

I did some checking around and was told to go find a speed shop in Indy. Of corse that doesn't help me much, I was wanting to drop this in myself. But does that link have eveyerythin? All I need is tuners? Or do we need other stuff to?

[Vic28]

Originally Posted by zearchyo

so what happens if a 2.2l guy ends up getting one of these, how can he tune, vic?

Well what happens is you tune with alpha-n which is based on RPMs vs Throttle%... so basicly not accurate with boost. Most people would tune other platforms with speed density and such, which is based on amount of air that is measured goin into the engine, but for us is not the case unless you go standalone.

There is tuners that are available but they need to be experienced with our platform (mostly j-body which is the same computer wise as n-body taking that it would be the same engine size, like v6 is not the same..). They end up using alpha-n which comes with 1 bar map sensor, and others try a "faking a 2.5 bar map(this only controls timing, not fuel)". So after all a supercharger is lil easier to tune for a tuner since the power is linear, turbo is lil bit more complicated. SO im not saying it cant be done, just have to be the right person that is already familiar with our issue. You take it to a speed shop, and they prolly wont be familiar or might even give you a garbage tune.

The tuners that know what they doin are the ones in the same forum community and know every single trick about how to do it, for example QWK LN2 (P&P Tuning) at j-body.org. Here is something he just put together few days ago, read and it will make more sence, even tho he doesnt go in details on a 2.5 fake bar tune..

heres the link:
http://www.j-body.org/forums/read.ph...=23783&t=23783

[Papa Rad17]

Oooooohhhhhhhhh k. Now I'm starting to get the puzzle put together. So what did you use to tune yours?

[zearchyo]

okay thanks even though i dont actually own a 2.2

[zearchyo]

Originally Posted by Papa Rad17

Oooooohhhhhhhhh k. Now I'm starting to get the puzzle put together. So what did you use to tune yours?

Their probably hp tuners like every one else, from my understanding all he's saying is that u got to take it to the right person to do the tune for u.

[Papa Rad17]

ok I know its been a while for this thread but I keep pouring over the info on late nights like this. I'll for sure be using the hpt tuners when I do mine (hopefully borrowing them from ion) and my uncle knows is exactly what he's doing with this sort of stuff and the shop with everything to do it. what im looking at now is appx. cost it would be for all parts, I think around $3000 as of right now. thats pulling some stuff of cobalt ss at the junk yard. is this a ball park estimate?