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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-

Looking for ECU/CHIP for 1992 5.0

  • Thread starter Thread starter Nathan26
  • Start date Start date Saturday at 7:26 PM
N

Nathan26

New Member
Sep 26, 2026
2
1
1
Florida
Saturday at 7:26 PM
#1
  • Saturday at 7:26 PM
  • #1
I recently did some upgrades to a 1992 GT 5.0 and the stock ECU isn't happy. The larger cam, heads and injectors have the AFR way out of whack. The car runs but is flat until you hit 3000 RPMS. Here is the list of upgrades:

TrickFlow R- Series Intake
MSD Ignition
Aluminum Heads, 185cc intake, 70cc Exhaust, 64cc combustion chamber, 2.02 intake valves, 1.60 exhaust valves
.499/.510 lift cam, duration 285/292, lobe separation 112 deg
24# ford injectors
roller rockers
larger throttle body
cold air intake
headers
smog delete

We basically did everything we could without stroking the engine. I didn't want to upgrade to a 9" rear end or swap the transmission and drive shaft. The car had 37k original miles on it and is MINT. I had the same car, year, color and trim in high school and regretted selling it. This was a "pre mid-life crisis" project! I'm looking for an ECU or chip that can be plugged into the ECU to maximize the upgrades and allow the car to run smoothly. Any suggestions or feedback would be greatly appreciated!
 

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
6,140
4,228
183
Claremore, OK
Saturday at 8:16 PM
#2
  • Saturday at 8:16 PM
  • #2
If the MAF is not calibrated for the 24 lb/hr injectors that could be your problem.
 
N

Nathan26

New Member
Sep 26, 2026
2
1
1
Florida
Saturday at 8:21 PM
#3
  • Saturday at 8:21 PM
  • #3
AeroCoupe said:
If the MAF is not calibrated for the 24 lb/hr injectors that could be your problem.
Click to expand...
I'm running the BBK 76mm and the MAF is for 24 lb injectors. I just ordered the AMP Mega Squirt from LMR with the Serial Adapter.
 
Reactions: Potomus Pete

Qtrhrse23

Active Member
Jul 2, 2024
76
29
28
Texas
Sunday at 8:51 PM
#4
  • Sunday at 8:51 PM
  • #4
Fuel Pressure? Timing? I see you are getting a MS, but car SHOULD run with that combo NO PROBLEM.

Ive seen MUCH BIGGER cam and injectors run on stock A9L. Are the capacitors ok.

Just asking because it could be something else causing trouble. IE New ECU might not fix it type of thing.
 

gkomo

now i can hopefully expect to receive the shaft
Aug 2, 2024
2,273
1,497
133
San Diego, CA
Yesterday at 10:18 AM
#5
  • Yesterday at 10:18 AM
  • #5
What calibrated MAF are you running specifically?
 
F

fasterthangas

Active Member
Oct 5, 2016
272
79
38
Phoenix
Yesterday at 12:53 PM
#6
  • Yesterday at 12:53 PM
  • #6
Smog delete alone will screw the pooch. Your car needs a tune. Are the O2 sensors removed?
 
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