I am new to the tpi world so bare with me. I plan on having my 87 gta,L98, sdpc tpi kit with vortec heads, vortec base plate, headers, 1.6 rockers, test pipe, flow master cat back, dyno'd this weekend. i was told to do some chip tunning to get the right air fuel mixture and get peak performance. my question is, is it possible to change the settings in the comp when i have it on the dyno? what can or cant be changed. is it even possible to do chip tunning and if so, what can you do. thanks.

 

anybody, please give me something. like i said, i am new to this and just want some advise before i bring it to have it dyno'd. thanks

 

It would really help if you told us what ECM you are using.

Yes, it is possible to tune in real time. Transtronics (www.xtronics.com) sells the pocket romulator and Craig Moates (www.moates.net) sells the "ostrich" which is a better deal IMHO. Both work with a program called TunerproRT for GM vehicles

 

i dont know what ecm. it is the stock ecm that came with the car. the car came with the l98 350 auto. how can i tell what ecm i got. i am sorry for being ignorant on this matter as i am just a noobie. thanks for the imput though. i trully appreciate it.

 

There is a 7-digit number on a coded sticker on your ECM. I believe your ECM is behind the glovebox on the passenger side (I'm not a camaro/firebird guy but thats where it is in all the trucks)

 

thanks, i will go get that info now. i will post it when i am done. again thanks

 

If stock, your TPI is MAF and your computer is a #1227165 using a $32B mask. Read all about that stuff here: http://www.edgesz28.com/edgesZ28/sub...it_all-200.pdf

Yes you can do live changes, it is called emulation. It is discussed in the above referenced article. Since I did not have a large amount of change to make in my application, I opted for a less expensive route. I did it using Moates' equipment (Click here) The same equipment I list can be used with your application, but a different ECU file is needed. But I can add Moates' Ostrich later and still have real-time changes (emulation). Or you can get Moates' AutoProm Package and have it all.

Read that article I linked above until every single term is clear. Then read the following two links:

https://www.thirdgen.org/newdesign/tech/promintro.shtml
https://www.thirdgen.org/techbb2/sho...hreadid=238965

After that, start searching and following discussions over at the DIY-PROM forum here at TGO.

It will eventually click and the support at the DIY forum is second to none as far as I am concerned. Best of luck, Ed.

 

ed, thanks for all the info. people like you is what makes these sites what they are.