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Discuss all aspects of DFI (Digital Fuel Injection), ECMs (Electronic Control Module), scanners, and diagnostic equipment. Fine tune your Third Gen computer system for top performance.

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88 tpi in 90 tbi swap

Started: Jun 3, 2015 by scott j

Last Post: Jun 5, 2015 by scott j

First data log, can someone help me see if anything's wrong?

Started: Mar 8, 2015 by FreeSpirit

Last Post: May 29, 2015 by FreeSpirit

EBL with vintage air?

Started: May 24, 2015 by 85Special

Last Post: May 29, 2015 by RBob

350 TPI running rich...tunerpro help

Started: Apr 22, 2015 by pardegt

Last Post: May 25, 2015 by pardegt

WinALDL Log, Obviously Lean. Anything Else?

Started: May 22, 2015 by vilespankmachin

Last Post: May 22, 2015 by vilespankmachin

Where does this connector go?

Started: May 19, 2015 by sweet_87_iroc

Last Post: May 20, 2015 by 85Special

92 z28 MAT sensor isn't where it should be

Started: May 18, 2015 by katula

Last Post: May 19, 2015 by greenyone

EBL questions

Started: May 11, 2015 by 1992Vortec

Last Post: May 16, 2015 by RBob

EBL? P4?

Started: May 12, 2015 by 85Special

Last Post: May 12, 2015 by 85Special

2800 - 3200 stall in an LT1/4L60e; Does my ECM need a reprogram...

Started: May 12, 2015 by ctimm_rs

Last Post: May 12, 2015 by ctimm_rs

383 - Holley HP EFi - Tuning issues ?

Started: May 1, 2015 by PeterFeix

Last Post: May 11, 2015 by PeterFeix

how to mod 7747 injector drivers for dual tbi setup?

Started: May 4, 2015 by Krushansky911

Last Post: May 10, 2015 by Krushansky911

noob winaldl help

Started: Aug 30, 2014 by TylerSteez

Last Post: May 10, 2015 by TylerSteez

EBL or Megasquirt, which is easier to set up and has closest initial...

Started: Mar 19, 2015 by Priya

Last Post: May 7, 2015 by Dominic Sorresso

Haltech platinum sport gm

Started: May 5, 2015 by BOOT77

Last Post: May 6, 2015 by ULTM8Z

Can I use an 89 IROC manual prom in an 87 GTA?

Started: Apr 27, 2015 by EDGE

Last Post: May 5, 2015 by Tuned Performance

vat system

Started: May 4, 2015 by jeepzilla

Last Post: May 4, 2015 by brett89

ECM Programming

Started: Apr 29, 2015 by Helrazzor

Last Post: May 1, 2015 by Helrazzor

Stock ECM mount where?

Started: Apr 30, 2015 by HasseO

Last Post: May 1, 2015 by RBob

ALDL Digram? Where is A B?

Started: May 1, 2015 by michael

Last Post: May 1, 2015 by michael

0411 24X conversion on L-98 383, crank but no start

Started: Aug 23, 2014 by gixxer92

Last Post: Apr 30, 2015 by 89gta383

Reset the Distributor

Started: Apr 29, 2015 by jaredh621

Last Post: Apr 29, 2015 by jaredh621

ECM and Wire harness

Started: Apr 25, 2015 by Jakeblue0

Last Post: Apr 25, 2015 by Jakeblue0

Code 22 33 and 36

Started: Apr 25, 2015 by asaman97

Last Post: Apr 25, 2015 by asaman97

crossfire injection timing ecm?

Started: Jul 25, 2009 by servo2055chevy

Last Post: Apr 25, 2015 by KITT1983

Do I need to change PROM for a 700R4 to T5 conversion?

Started: Apr 24, 2015 by EDGE

Last Post: Apr 24, 2015 by EDGE

THE MORE I READ, THE MORE CONFUSED I GET! UGH...

Started: Apr 17, 2015 by zya5point0

Last Post: Apr 21, 2015 by zya5point0

86 iroc ecm

Started: Apr 19, 2015 by Loudnproud86

Last Post: Apr 20, 2015 by ORIONOFFROAD

anyone burning chips?

Started: Apr 19, 2015 by ORIONOFFROAD

Last Post: Apr 20, 2015 by Tuned Performance

Who makes the best chip?

Started: Nov 21, 2014 by jdpolzin

Last Post: Apr 18, 2015 by ULTM8Z

2.8 wiring harness question

Started: Apr 17, 2015 by Switch

Last Post: Apr 17, 2015 by RBob

ECM and other fuses keep blowing

Started: Apr 15, 2015 by SRF

Last Post: Apr 16, 2015 by bigal55

HELP Running Issues at 1500rpm. Anything obvious in my DATALOG...

Started: Apr 14, 2015 by 214jay

Last Post: Apr 15, 2015 by ULTM8Z

Ignition Control Module keeps going bad!!!

Started: Mar 4, 2015 by ajStyles2015

Last Post: Apr 15, 2015 by 85Special

7730 ECM Bench Testing ->O2 Sensor Voltage

Started: Apr 5, 2015 by Ransford2987

Last Post: Apr 9, 2015 by Ransford2987

MegaSquirt and VSS

Started: Feb 23, 2015 by 83 Crossfire TA

Last Post: Apr 8, 2015 by anesthes

will the computer from a 3.1 in a 92 Rs work in my 2.8 89 rs

Started: Apr 7, 2015 by keepitpunk

Last Post: Apr 7, 2015 by RBob

ECM 1227302 question

Started: Feb 28, 2010 by flintman

Last Post: Apr 3, 2015 by joelsnorton

Help me identify these injectors

Started: Apr 1, 2015 by devilfish

Last Post: Apr 3, 2015 by southbay08

ecm and vats question

Started: Mar 31, 2015 by shadowbird

Last Post: Apr 1, 2015 by shadowbird

Quadrajet ECU upgrade worth it?

Started: Mar 25, 2015 by potterc32

Last Post: Mar 30, 2015 by dfarr67

EGR delete, what ECU mod?

Started: Mar 28, 2015 by Fulingbusen

Last Post: Mar 29, 2015 by Fulingbusen

Cammed motors and closed loop- how much overlap is too much?

Started: Mar 25, 2015 by antman89iroc

Last Post: Mar 28, 2015 by Dominic Sorresso

efi conversion, need help with decision making. i have vapor lock of...

Started: Feb 28, 2015 by dusterbd

Last Post: Mar 27, 2015 by efiguy

L69 Trouble Code 41

Started: Mar 21, 2015 by Travas

Last Post: Mar 26, 2015 by Travas

EBL users IAT/CT blend questions

Started: Mar 18, 2015 by antman89iroc

Last Post: Mar 21, 2015 by antman89iroc

reprogramming. memcal????

Started: Mar 20, 2015 by L0tuS

Last Post: Mar 20, 2015 by someone972

Using WinALDL

Started: May 10, 2012 by bigreed91

Last Post: Mar 17, 2015 by bigreed91

looking to pick up chip burner, recommendations?

Started: Mar 15, 2015 by ORIONOFFROAD

Last Post: Mar 16, 2015 by ORIONOFFROAD

need Expert Wiring advice - how to wire in a aftermarket speedo to...

Started: Feb 28, 2015 by Voodoo121

Last Post: Mar 12, 2015 by RBob

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