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Type: Posts; User: bobdec

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  1. Yea, I forgot that "Closed TPS Spark Advance"...

    Yea, I forgot that "Closed TPS Spark Advance" table, my stock was at 20* for 400-800 RPM, I found setting 400-1200 at 34* and moving other settings up a few degrees as RPM increased helped smooth out...
  2. syn, 1st as stevo said make sure your intake path...

    syn, 1st as stevo said make sure your intake path after the MAS is tight. I run a mild LT4 hot cam on my '94 LT1, (218/228 @50 112LSA , .525/.525 lift w/the 1.6 RR's) . I had to get my idle up to...
  3. Not sure what you's running in the boat, but Most...

    Not sure what you's running in the boat, but Most GM style ECM/PCMs hold the O2 high side at 450 Mv, after O2 starts switching it's generated signal will override the 450 Mv. It's sometimes called...
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    Pretty sure all '94-97 LT's ran 24#'s. Lt1 was...

    Pretty sure all '94-97 LT's ran 24#'s. Lt1 was used in F-Body (Camaro/Firebird) B-Body (Impala/Roadmaster/Seville) and Y-Body Corvettes. If you know where it came from search on the vehicle. I would...
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    Climber, the Toyota F2 (1975-88) was used a...

    Climber, the Toyota F2 (1975-88) was used a carburetor. The TBI conversions usually use a GM ECM. Is that your situation..If so do you have the ECM info (part number) .
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    Most ECM/PCM's can stand up to occasional...

    Most ECM/PCM's can stand up to occasional spraying, also can be mounted up high inside (under dash ??) if you extend the harness.. Depends on how rough your interior is.. . You can look at prices...
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    steveo, LT1 F-Body DFCO has stock 1 second delay...

    steveo, LT1 F-Body DFCO has stock 1 second delay on an M6, setting is 0 seconds on the A4 . Must be that way to prevent activation during shifting for drivers with a slow clutch/throttle...
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    Stevo. With my 214/228 112 (Hotcam) and 1.6 RR's...

    Stevo. With my 214/228 112 (Hotcam) and 1.6 RR's .525/.525 lift I'm running low 30's at 750 RPM 49 Kpa at idle , in the over 2K RPM cells I'm up in the low 40's at mid range 50-70 Kpa and slowly...
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    Try here......

    Try here... http://gmtnation.com/f23/need-service-manuals-get-them-here-371/ login and PW are in the post.. in my 07 Envoy DBW has a pair of sensors on throttle pedal one 0-5V and the other 5-0 volts...
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    94 F-Body SES (Service Engine Soon) comes on...

    94 F-Body SES (Service Engine Soon) comes on steady with key/on engine/off and stays illuminated till engine is running (assuming no DTC's) .
  11. Thread: VATS delete

    by bobdec
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    On '93-95 LT1 F-Body's The theft Deterrent...

    On '93-95 LT1 F-Body's The theft Deterrent Module, besides running some diagnostics and checks does four things. 1- Reads the key pellet resistance. 2 - Picks Theft Deterrent Relay (TDR) that allows...
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    Just for drill, does you PC recognize either of...

    Just for drill, does you PC recognize either of the cables in device manager - com ports . I assume you have good cig lighter +12volts for the 2nd cable (ALDL/RS232) you listed, that's a known good...
  13. Free 94-94 LT1 Scan program reads engine, trans, ABS, SIR DTC's

    If you have a laptop and an ALDL cable ... FYI here's a new application for the '94-95 OBD1 'flash' PCM's, ABS modules, SIR (seatbelt) modules. Plus it has an actuator tab to test fans,air pump, A/C...
  14. sherlock, not to regress but here's a post where...

    sherlock, not to regress but here's a post where you add a resistor on a switch in place of the IAT. It sends a constant temp voltage level to the PCM that is warm enough to maintain closed loop and...
  15. Agree w/the temp sensor setup causing non-linear...

    Agree w/the temp sensor setup causing non-linear results. In the F-Body all the Evap Temp does is turn off the A/C clutch at 36* F and back on at 39* F (prevents freeze-up). So it's a small range...
  16. I was trying to get this working as a training...

    I was trying to get this working as a training exercise as I'm new to the TunerPro architecture and I enjoy some mind challenges. Apparently I picked a bad example and I truly don't want to waste...
  17. Problem creatingformula for a new item to the .adx Values

    Did a lot of searching but could not find the method to calculate the formula for a new .adx value I trying to add. I have a flash PCM 16188051 $EE files and I'm trying to add A/C Evaporator...
  18. Latest update, tester completed pic below. USB...

    Latest update, tester completed pic below. USB and +12v input, PCM connectors output. Plus terminals were added to the box to allow USB connection flexibility to other benchtop PCM's or a vehicle...
  19. Tried the above files.. It started off iffy,...

    Tried the above files.. It started off iffy, right off it fixed the jittery data acquisition readings are now rock solid. However went to 'monitor' view and right clicked on display and TunerPro hung...
  20. TunerPro newbie having logging problems - erratic data

    New to the software so I hoping this is just operator error.. When in Data Acquisition my data values jump around, EG: Ignition voltage goes from 13 to 0 volts. Also shows up in the .xdl log file....
  21. Just an update, thanks for the parts. Got bench...

    Just an update, thanks for the parts. Got bench setup working using an ALDL-USB cable. Still waiting for the Arduino FT232RL so I can eliminate the ALDL cable. Having TunerPro data logging problems...
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    1. Correct any other air entering the intake will...

    1. Correct any other air entering the intake will increase idle speed and PCM will close IAC (lower counts) to compensate.
    2. The setup is a DC stepper motor and worm gear that moves a plunger...
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    Updated my profile to Atlanta, GA area. Moved...

    Updated my profile to Atlanta, GA area. Moved here 26 years ago from NY, Westchester County. Locations surrounding Atlanta require emission testing. One other thing I forgot to mention your IAC count...
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    Sherlock9c1, looks like when you hit the throttle...

    Sherlock9c1, looks like when you hit the throttle at record 5361 you basically stalled for fraction of a second MAP shot up and drove you onto the upper right of main timing table to very low or...
  25. EagleMark, another newbie question..been tuning...

    EagleMark, another newbie question..been tuning my '94 Z28 w/flash PCM for a few years with TunerCat. It reads the .bin from the PCM, no problem. I'm Now learning TunerPro and trying to learn how to...
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