LT1 PCM, Codes and Tuning For 24x
01-29-2019, 01:45 PM
#1
TECH Fanatic
Thread Starter
iTrader: (3)
Join Date: Jan 2006
Location: Lincoln, Nebraska
Posts: 1,801
Likes: 0
Received 0 Likes
on
0 Posts
LT1 PCM, Codes and Tuning For 24x Dear All,
Kind of in a little bind and don't exactly know what to do.
Here is the situation - Bought the full works kit from TorqHead in order to do the 24x swap
Here is the problem - my local turner blew up my original pcm a long time ago (my battery died and that fried the pcm), so he bought a used PCM and uploaded my tune and away I went. Ever since then I've been throwing codes and I he is no longer in the business of cars. So essential my tune is long gone, except for the fact I still have my LT PCM sitting around my place. I could really use that tune off my LT PCM in order to have a master copy to go off of. I have another local tuner who is able to tune my LS PCM, but Id feel comfortable have the original tune to look.
Codes I'm throwing - P0135 heated oxygen sensor heater performance bank 1 sensor 1, P0410 secondary AIR injection System (AIR), P0172 - Fuel Trim System Rich Bank 1
Mods to the car - Pacesetter Long Tube Headers, Pacesetter 3in Off-Road Y-Pipe (no cats or mufflers), dumped before the rear axle, 373 gears, CAI, TB Bypass, Airfoil, removed AIR system.
I know the original tune removed rear oxygen sensors, increased max RPM WOT to 6350ish, adjusted A:F ratios, increased shift pressure, tuned for 373 gears, he also set my speedo to 300mph.
I guess what do I do? Do I go to my local shop and ask for the LS PCM out of the car so I can send off to Moe or someone else? I just need the tune off for an emailed copy for myself for a baseline; I'd also like to whomever tunes my car to look at the baseline and adjust from there.
I know I am requesting to have the following tuned out (AIR/EGR/EVAP). EGR and EVAP are still on car but I know for sure EGR won't be once I drop the motor in a few years.
Anyone have any help?
Thanks!
Kind of in a little bind and don't exactly know what to do.
Here is the situation - Bought the full works kit from TorqHead in order to do the 24x swap
Here is the problem - my local turner blew up my original pcm a long time ago (my battery died and that fried the pcm), so he bought a used PCM and uploaded my tune and away I went. Ever since then I've been throwing codes and I he is no longer in the business of cars. So essential my tune is long gone, except for the fact I still have my LT PCM sitting around my place. I could really use that tune off my LT PCM in order to have a master copy to go off of. I have another local tuner who is able to tune my LS PCM, but Id feel comfortable have the original tune to look.
Codes I'm throwing - P0135 heated oxygen sensor heater performance bank 1 sensor 1, P0410 secondary AIR injection System (AIR), P0172 - Fuel Trim System Rich Bank 1
Mods to the car - Pacesetter Long Tube Headers, Pacesetter 3in Off-Road Y-Pipe (no cats or mufflers), dumped before the rear axle, 373 gears, CAI, TB Bypass, Airfoil, removed AIR system.
I know the original tune removed rear oxygen sensors, increased max RPM WOT to 6350ish, adjusted A:F ratios, increased shift pressure, tuned for 373 gears, he also set my speedo to 300mph.
I guess what do I do? Do I go to my local shop and ask for the LS PCM out of the car so I can send off to Moe or someone else? I just need the tune off for an emailed copy for myself for a baseline; I'd also like to whomever tunes my car to look at the baseline and adjust from there.
I know I am requesting to have the following tuned out (AIR/EGR/EVAP). EGR and EVAP are still on car but I know for sure EGR won't be once I drop the motor in a few years.
Anyone have any help?
Thanks!
01-29-2019, 01:51 PM
#2
TECH Fanatic
Thread Starter
iTrader: (3)
Join Date: Jan 2006
Location: Lincoln, Nebraska
Posts: 1,801
Likes: 0
Received 0 Likes
on
0 Posts
Here is the message I sent Moe:
"Dear Moe,
Do you need both PCM's to have them tuned? I have no ability to here locally to see what my LT1 PCM tune even is in terms of everything that was done originally.
I know he adjusted for no rear O2's, made my max RPM shift point like 6350 ish, idle around 900-100, turned fans on earlier and changed some A:FR tables. I just don't have the file so adjust it, I have can sure grab the LS1 PCM and send in both PCM's for the $150. I would also just like the have a file of my original tune so I know what I originally had, is there a way to do that?
Another reason why I want the original tune on standby is because I've be throwing codes that I would like addressed.
P0135 - Heated oxygen sensor performance bank 1 sensor 1
P0410 - Secondary Air Injection System (AIR)
P0172 - Fuel trim system rich bank 1
I no longer have rear oxygen sensors, have removed the AIR Pump. Will be removing the EGR when I drop the motor, so all of that can be turned out."
"Dear Moe,
Do you need both PCM's to have them tuned? I have no ability to here locally to see what my LT1 PCM tune even is in terms of everything that was done originally.
I know he adjusted for no rear O2's, made my max RPM shift point like 6350 ish, idle around 900-100, turned fans on earlier and changed some A:FR tables. I just don't have the file so adjust it, I have can sure grab the LS1 PCM and send in both PCM's for the $150. I would also just like the have a file of my original tune so I know what I originally had, is there a way to do that?
Another reason why I want the original tune on standby is because I've be throwing codes that I would like addressed.
P0135 - Heated oxygen sensor performance bank 1 sensor 1
P0410 - Secondary Air Injection System (AIR)
P0172 - Fuel trim system rich bank 1
I no longer have rear oxygen sensors, have removed the AIR Pump. Will be removing the EGR when I drop the motor, so all of that can be turned out."