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Performance ECM Upgrades
Advanaced discussion for Fel-Pro, DFI, and other aftermarket computers
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MS3 ULTIMATE Plug and Play Harness by RPS just announced..
marleyskater420
Dec 30, 2017
2
3
Replies
47
Views
8K
Jan 3, 2021
norbs
N
Sticky
XIM COP, BB COP, distributer, what works best
turbobitt
Nov 2, 2013
2
3
Replies
51
Views
15K
Jun 13, 2020
Chrisk
H
Sticky
Buick Sportsman XFI install help
HighPSI
Aug 24, 2017
6
7
8
Replies
156
Views
22K
Jun 10, 2019
ATL_87GN
A
Sticky
Fueltech Plug and Play With CRUZ Performance Wire Harnesses
sackracing
Jan 11, 2019
Replies
5
Views
2K
Apr 11, 2019
sackracing
C
Sticky
HOLLEY EFI plug and play with CRUZ Performance engine harness for TURBO Buicks
CRUZ Performance
Nov 12, 2017
Replies
15
Views
5K
Mar 9, 2019
III'S 87 GN
I
H
Sticky
New Buick XFI Sportsman ECU!!!!
HighPSI
Jun 21, 2017
3
4
5
Replies
93
Views
20K
Jan 8, 2019
Hartline Perf.
H
H
Sticky
IMPORTANT: ESC Retard!!!
HighPSI
Sep 29, 2010
2
Replies
32
Views
12K
Nov 15, 2017
xtremexnyc
X
Normal threads
S
Dynamic EFI EBL Flash System For GM Sequential V6 Boosted Engines....
Street Lethal
Jul 14, 2011
31
32
33
Replies
645
Views
100K
Yesterday at 12:09 PM
liquidh8
L
J
Apple air software compatible w/ GN ECU?
JP112_89
Dec 2, 2023
Replies
0
Views
66
Dec 2, 2023
JP112_89
J
X
Running rough and backfiring through exhaust. Fast XFI 2.0 - 15 Wideband Fault
xtremexnyc
Nov 28, 2023
Replies
2
Views
140
Nov 30, 2023
xtremexnyc
X
N
Knock Retard processing speed Stock ECU vs JS box and keeping it alive
norbs
Aug 3, 2013
2
3
4
Replies
79
Views
12K
Nov 20, 2023
John at J&S
J
P
ANYONE USING THE OLD ACCEL DFI GEN 6 SYSTEM
PaulRV6
Sep 17, 2023
Replies
2
Views
341
Nov 18, 2023
norbs
N
G
Do I really need LS,ish individual coils?
GTP_ARGO
Nov 10, 2023
Replies
10
Views
395
Nov 14, 2023
THensley
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OEM ECM NEEDED.
Toddmc66
Oct 25, 2023
Replies
4
Views
310
Nov 6, 2023
Toddmc66
T
new hp tuners box
TexasT
Nov 3, 2023
Replies
1
Views
150
Nov 4, 2023
Chuck Leeper
K
rife Air Temp Sensor and XFI. Who is using one and how have they calibrated it
karolko
Oct 3, 2023
Replies
2
Views
245
Oct 4, 2023
karolko
K
P
Need help from the wiring experts on coil pack terminal connector
PaulRV6
Sep 15, 2023
Replies
0
Views
272
Sep 15, 2023
PaulRV6
P
J
Timing riding fast 2.
jowy
Jul 22, 2023
Replies
14
Views
748
Aug 19, 2023
jowy
J
Another MS3Pro Evo build
ShawnR
Apr 1, 2020
2
Replies
33
Views
3K
Aug 18, 2023
norbs
N
FAST 2.0
Chuck Leeper
Jun 3, 2023
Replies
5
Views
719
Jul 24, 2023
norbs
N
M
Speeduino ECU's in Buicks?
mikebutash
Jun 18, 2023
Replies
2
Views
722
Jul 14, 2023
BEATAV8
S
Holly EFI installed
Scarab
May 8, 2023
Replies
14
Views
1K
Jun 5, 2023
1NASTYGN
Old guy continuing...
Chuck Leeper
May 6, 2023
Replies
7
Views
859
May 21, 2023
Chuck Leeper
GN ECU Temperature Sensor Relocation
X Ray
Apr 6, 2023
Replies
5
Views
842
May 2, 2023
SLIC V6
K
Fast XFI guys
kraus
Mar 21, 2023
Replies
3
Views
916
Mar 27, 2023
conn84gn
J
Poll
Holley dominator cam & crank signal
jay dcpt
Apr 23, 2022
Replies
12
Views
2K
Mar 16, 2023
GTP_ARGO
G
Motec/Holley
hemi8
Mar 12, 2023
Replies
12
Views
1K
Mar 13, 2023
TType85
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