GM EFI Systems [Archive] - GearHead EFI Forums

Errors data logging 1988 Vette with 1227165_6E.adx (2 replies)
A elecritic gear selector to a 7427 PCM/paddles (1 replies)
Running a 165 ECM along side a 7427 PCM (25 replies)
Disassembly of $F0 available to read? (C4 Corvette ZR-1 / LT5) (4 replies)
TBI Injector Not Firing... With a twist. (9 replies)
Pulsewidth not following BLM? 93 LT1 (1 replies)
Heavy spark knock and knock retard just started, Possible causes? (5 replies)
Basic Tuning Help - 1993 Corvette LT1 (4 replies)
AEM 03-4110 logging problem (12 replies)
Flashhack and $eehack issues (3 replies)
New 350 build leaking (14 replies)
1988 tbi harness wiring/plug questions (8 replies)
Aldl connection corrupted data when engine running (2 replies)
scratching my head on this one.. 1991 kodiak no start (19 replies)
J1850 VPW convert to 8192 aldl (Tacho signal) (1 replies)
Idle and IAC, TBI (4 replies)
TBI Injector polarity (5 replies)
FLASHHACK assistance (4 replies)
85 $6E ARAP 165 ECM Swap lean at higher loads (0 replies)
1227730 AUJP on an GM inline 6 ??? (3 replies)
1992 Chevy P30 (33 replies)
$42 question (0 replies)
Genral 7427 File questions (5 replies)
89 Firebird heater hose burst and engine shut off (3 replies)
ADX File Needed (1 replies)
Is Red Devil River still around? No response on eBay (1 replies)
7427 AE overview (4 replies)
305 / 350 TBI injectors, fuel pressure, cleaning etc (1 replies)
Strange Issue (23 replies)
Fuel pressure measurement after trying different pumps (3 replies)
Ramjet 350 IAC position @ idle (3 replies)
C5 Flex Fuel Help with os 12216125 (7 replies)
help with some connector ID (18 replies)
7427 with G1 memcal mismatch (10 replies)
ECM unusual behaviour (0 replies)
85 Corvette L98 ARAP $6E Map (0 replies)
project update (0 replies)
7427 VE Table lower values in entire table (4 replies)
7427 O2 placement question (1 replies)
2002 Express Van 5.7 Dual Exhaust to Single Exhaust. (8 replies)
GM Tech2 Scan tool pcmcia card files. (0 replies)
Corrupting chip? (8 replies)
TBI 350 Target Idle Speed (131 replies)
$EE - LT1 Crank VE Table? (6 replies)
89 tbi 350 auto to manual swap questions (2 replies)
'411 Transients (24 replies)
engine id (2 replies)
1227727 $8D corvette 1991 (0 replies)
TBI intake manifolds (6 replies)
ADL DROID TO '94 K1500?? (2 replies)
ECM Malfunction (5 replies)
Help identifying TBI PCM/ECM (4 replies)
New to Tuning and EPROM Programming in General (13 replies)
Need 4-pin connector for TBI distributor/module (3 replies)
Help finding injector offset, mpfi 7.4l $0E (1 replies)
In Need of Help with 1989 PROM Chip (7 replies)
TBI Pressure Regulator & Fuel Pump (5 replies)
1228330 Mask (10 replies)
Skipping/spotty data in logs -7747 TBI (19 replies)
1995 LT1 Camaro Tuning tips (8 replies)
68HC11 based PCMs (9 replies)
MEFI 4B Tuning (3 replies)
Happy 2024 everyone (8 replies)
7427 data logs closed loop issue (8 replies)
Stupid question (5 replies)
Shift Time 0 vs 6.38? (11 replies)
lowering VE at low kPa (0 replies)
NEED HELP PLEASE ecm swap (4 replies)
Baseline for 7.4l Vortec long block w/TBI induction? (13 replies)
MEFI4 passcode (0 replies)
Cannot seem to get AE/PE right (12 replies)
2005 Silverado PCM (2 replies)
GM AcDelco E38 ECU Seed/Key finder (testing needed!) (7 replies)
anyone turbocharged their TBI? what are you using for a TBI hat? (11 replies)
Please help, Code 41 with GM1 Memory Adapter and new prom (9 replies)
apu1 vs dynamic efi? (17 replies)
Hello- wild situation with a 4l80E need opinions (18 replies)
Coding question LT1 EE - IAC table switching? (0 replies)
$EE '94 Fbody Manual not starting, logs attached (11 replies)
Noisy data with engin on. (6 replies)
7060 PCM - - DRAC is Current Sensor (14 replies)
Swap Prom in 1227747 (5 replies)
$EE Tune Adjustments for Headers (4 replies)
Replacing my 16188051 EE LT1 ECM with Cardone unit (eehack question) (3 replies)
Preventing stall while crawling. (1 replies)
Error downloading calibration (3 replies)
need pinout help with 95 3.4 V6 ECM (7 replies)
switching to 3.8l coils $8B (18 replies)
CCM (10 replies)
Adding a map sensor to a CobraRTP emulator (1 replies)
16188051 PCM $EE for 1995 Corvette LT1 (9 replies)
AEM 03-0300 wideband O2 logging with 7427 (0 replies)
repin from 8062 to 7730 (20 replies)
86 F-Body 2.8l Bin (5 replies)
280155831 Bosch-III injector datasheet? (2 replies)
cavalier 2.2l delco 16228016 vats (0 replies)
SVO 42lbs Green Top injector data (7 replies)
5.7 TBI first start loud popping (5 replies)
CobraRP Motronic RT R6 emulator (5 replies)
Comparability 7747 and 7060 (2 replies)
1227747 vs 1228062 (1 replies)
Trying to tune 04 monte carlo ss (28 replies)
Need help with a 1227747 TPI issue (13 replies)
checksum error after read complete / flashhack (6 replies)
New to TBI Tuning SBC 327 TBI (24 replies)
Lt1 4l60e 3.42 rear end SHIFT TABLES (15 replies)
Help with ALDL 5v to 3.3v setup (3 replies)
Question about eprom with motor swap (1 replies)
Convert EEB to EE (4 replies)
16196404, Need Info Please (4 replies)
IAC rest and reset (2 replies)
Fuel gauge calibration (1 replies)
80 Pounders (3 replies)
Your thoughts on this scan (1 replies)
IAC fault and no converter lock up (0 replies)
7747 to 7427 (33 replies)
Alternatives? (43 replies)
GM TBI 7427 ECU What does this do --- “Altitude Spark Bias" (8 replies)
94 Firebird Lt1 with Popping issue on medium throttle (5 replies)
12588933 files needed (0 replies)
Aldl LT1 datastream (14 replies)
Sanity check, what am I missing? (6 replies)
Trouble tuning with EBL P4 Flash (4 replies)
Intermittent timing issue (13 replies)
Struggling with a tuning issue, need suggestions where to look. (0 replies)
Tuned Port? (9 replies)
Swapping a 411 p01 to a p59 7603 for Boost OS 2001 lm7 5.3 DBC 4L80E (0 replies)
TunerPro RT (45 replies)
AMC 304 TBI Swap 7427 - Fuel Only Swap Help Needed (0 replies)
throttle kicker output pin for 1227747? (5 replies)
can I perform live datalogging with an OTC4000e? (1 replies)
injector size question for a ABTC tune for FIRST injection systems (6 replies)
Simple question?? Android Connection? (3 replies)
Torque converter tune. Is it requiered? (8 replies)
1994 TBI Truck ZZ2 Swap (11 replies)
$8B Temp Sensor issue 2.3l HO Quad-4 (14 replies)
1227747 with 7.4 injectors AND knock retard (5 replies)
Need help connecting TunerproRT to 91 firebird 5.0L auto (6 replies)
Running poorly/misfiring, code 33 (71 replies)
Tunerpro and ACSU bin off stock chip (8 replies)
Why is my MAF tuning not working right? (10 replies)
Mildly Tuning a Mostly Stock 1993 GMC Typhoon (5 replies)
Unknown Error Code LQ4 swap (11 replies)
EE Hack logging at high elevation question (12 replies)
Problem with my rear driver's side brake light (3 replies)
ODB1 Tuning questions (4 replies)
Noob question on ve afr (6 replies)
BLM/INT question (24 replies)
Reading a tune and modifying it. so many questions ;-) (4 replies)
16196395 with 4L60e trans bin files (4 replies)
16197427 $OD Manual swap (2 replies)
LT1 8051 EE 1240A Mass Air Cylinder Coefficient vs Map vs RPM (6 replies)
TBI injectors problem (3 replies)
How do I create a data log file? (6 replies)
how do you tell TBI injectors apart? I'm lost and even have a pic (6 replies)
Help data (1 replies)
Wide Band Wiring ??? (4 replies)
7747 Check engine light on but no codes (8 replies)
1994 $ee auto (6 replies)
TPI distributor and wiring question (5 replies)
Looking for mefi5 bins and xdfs (0 replies)
Wideband for EE$ LT1 (6 replies)
Tuning Suggestions(1996 Buick Roadmaster - 1995 Chevy Impala SS ECM) (12 replies)
Fuel gauge calibration (0 replies)
350 TBI + 4L60E S10 Swap Computer Questions (14 replies)
1227747 tuning table help (2 replies)
moates (2 replies)
1953 GMC w/Chevy 235 convert to TBI (2 replies)
Anyone good at tuning for emissions test? (42 replies)
BLPX S-10 bin (1 replies)
difference in 350 TBI throttle bodies (6 replies)
First time LS swap. Thank you for the add! (0 replies)
RamJet intake manifold to head port matching (5 replies)
Memcal for 1989-1990 3.1L turbo (LG5) (5 replies)
TBI ALDL info? (9 replies)
454 TBI rebuild kit? (6 replies)
Speed sensor at 1989 suburban Speedometer retrofit (4 replies)
1994 GM P-30 TBI ?s (26 replies)
SHORT PW OFFSETS HOLLEY SAYS NO! (7 replies)
Need some help with 8746 and moates adapter (1 replies)
Looking for some tips or .bin regarding LT1 with LT4 hotcam kit (8 replies)
What is the 4 character code on the ECM (9 replies)
Need help reading tune from 27SF512 (17 replies)
95 LT1 Erratic voltages EEhack (29 replies)
$8D RPM Limit Question (4 replies)
LT1 distibutor CKP Lo res angle question (4 replies)
distributor and wiring question (27 replies)
$EE VE tables strange behavior (4 replies)
383 hot cam (11 replies)
GMEPROM.com (0 replies)
Couple of fuel setting questions (2 replies)
MAF Tuning theoretical knowledge question (3 replies)
Looking for 90-92 TPI memcal (2 replies)
ECM/PCM for boosted 2.3L Quad 4 (12 replies)
Engine temperature, detonation, and timing (13 replies)
new engine tuning (17 replies)
E38 I''m sure this is answered allready (2 replies)
TPI VE calculator (2 replies)
Convert 7747 to later model pcm with obd2 (10 replies)
Problems with Bosch1300 scan tool (0 replies)
Most blm's to 108 - next step advice please (16 replies)
Will changing values on spark advance tables cause a checksum erro in a GM OBD I PCM? (3 replies)
Anyone have a bin file for a 94 lt1 that was converted to 24x with 0411 pcm? (0 replies)
SBC TPI 383 ways to reduce torque (36 replies)
Need some TBI interchangeability help please, 5.7-7.4 IAC TPS regulator etc. (7 replies)
fuel still disabled after tuning out vats on 02 corvette (4 replies)
Need help with 383 TBI (36 replies)
$EE Closed loop and PE (8 replies)
Idles fine won't rev up (3 replies)
General Tuning Order (5 replies)
4.9L Cadillac Intermittent starting problems (2 replies)
OBD 1 Chip? for GM ECM (6 replies)
FJ40 2F EFI Conversion Questions (0 replies)
1986 2.8L V-6 Pontiac Fiero - convert from speed-density to mass flow (19 replies)
411 Not Reading O2 Sensors (6 replies)
need help (0 replies)
87 Z28 / 97 T/A LT1 swap close to completion (0 replies)
Oil and/or fuel pressure resistance table (1 replies)
another tuning tool (44 replies)
1993 lt1 tune bdzl (2 replies)
Assistance with AEM X-Series Wideband logging on AutoProm? (Not EGR position) (0 replies)
New to Forum (3 replies)
7060 to 6395 Questions. (15 replies)
table lookup (2 replies)
Need ODB2 cable for 07 Tahoe (3 replies)
Coils wired to e/f15 leads on ecm? (5 replies)
12 pin GM ALDL (14 replies)
16197427 (3 replies)
1227165 $6E BIN (1 replies)
Weird surge idle (4 replies)
Flex fuel sensor on 94 LT1 EE possible? (17 replies)
305 to 350 Swap - AWFY to AUJP - 7730 ECM (3 replies)
Moates G1 Adapter Discontinued? (8 replies)
No injector pulse when attempting start. (4 replies)
G1 and Ostrich 2 sources (14 replies)
$E6/$0D '8625/'7427 AC clutch control (15 replies)
Hello read end (0 replies)
$42 gear ratio (7 replies)
Anyone with a BTR Stage 2 cam installed? (1 replies)
Looking for Help!!! SBC TBI Cant get over 2300 RPM (45 replies)
What info does my tuner need? (3 replies)
Small TBi Injectors (22 replies)
Wide Band O2 Sensor and Cat Convertor Question (9 replies)
Mexican cal files (6 replies)
DRAC Module clicks? (15 replies)
Tunercat bricked my LT1 PCM (9 replies)
Corvette 90 tpi programming (3 replies)
Care to speculate on tbi fuel system plumbing? (27 replies)
AWLH PROM Help (4 replies)
Strange Spark Plug issue (40 replies)