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Third Generation F-Body Message Boards
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TPI
TPI
Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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Important/Useful :
TPI shootout in Feb Super Rod magazine
(
1
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3
4
5
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Last Page
)
Acceld Z
on 01-06-2005
01-06-2024
07:21 PM
by
BuzzLOL
318
125,932
Important/Useful :
Repinning TBI to Speed Density TPI
(
1
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3
4
5
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Last Page
)
anesthes
on 12-29-2003
10-29-2023
02:10 AM
by
stew'86MCSS396
365
119,738
Important/Useful :
Attention ALL TPI owners...inside please...
(
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2
3
4
5
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KYL98
on 09-25-2003
09-19-2023
05:03 PM
by
mikeceli
255
127,661
Important/Useful :
BANNED TOPICS... once again, EVERYONE READ
(
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Ed Maher
on 02-27-2003
07-15-2023
08:25 PM
by
Tuned Performance
76
72,941
Important/Useful :
LS1 Coil per Cylinder Conversion - Are you ready?
(
1
2
3
)
S10Wildside
on 11-08-2008
07-01-2023
10:31 AM
by
Duane's 91 Z/28
145
120,108
Important/Useful :
Quest for a better flowing TPI
(
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4
5
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)
Dyno Don
on 02-17-2008
09-03-2018
04:55 PM
by
VincentZ28
352
127,233
Important/Useful :
TPI OBDII - Thoughts/Opinions
(
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5
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S10Wildside
on 08-19-2006
10-26-2016
10:42 PM
by
evilstuie
1,099
286,681
Important/Useful :
*EVERYONE READ* FAQ / Index for the TPI board
Ed Maher
on 12-26-2002
07-10-2015
10:00 AM
by
RED85TPI
30
44,844
Important/Useful :
'Performance Proms' , also TPS enhancer snake oil, and other chip basics
(
1
2
3
)
Drew ATX
on 05-04-2002
02-13-2014
01:09 PM
by
Tuned Performance
130
79,657
Normal Threads
My custom ported H/C/I L98 refresh thread
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MrIROBZ
on 04-06-2024
Yesterday
08:07 PM
by
skinny z
188
4,433
Knock count questions
Reddragon88gta
on 02-15-2024
Yesterday
05:45 PM
by
SbFormula
23
436
Tough to achieve 250HP for mostly stock LB9?
transam92conv
on 02-17-2008
Yesterday
02:45 PM
by
kenbob
2
1,436
Serpentine Belt Size Smop Pump Removal
19875speed
on 02-14-2024
04-21-2024
09:53 PM
by
Eightyninef
18
372
89 tpi no start issue
L0tuS
on 04-16-2024
04-21-2024
08:04 PM
by
Airwolfe
6
153
tpi air intake boot
toppgunn77511
on 06-28-2012
04-19-2024
03:10 PM
by
EuroTrash
8
8,689
Arizona Speed and Marine Runner Orders.
MrIROBZ
on 04-18-2024
04-18-2024
08:12 PM
by
TTOP350
3
110
305TPI stutters/jerks/hiccups during cruising.
KOHV94
on 08-01-2019
04-18-2024
11:33 AM
by
KOHV94
17
3,528
Fuel pump troubleshooting
birds8869
on 04-16-2024
04-16-2024
09:36 AM
by
birds8869
0
82
1991 Magazine Test with AS&M vs First
MrIROBZ
on 04-07-2024
04-11-2024
05:49 PM
by
Tom 400 CFI
10
310
Removing CAT
Eightyninef
on 04-07-2024
04-08-2024
07:11 AM
by
Firechicken82
4
157
1989 350 TPI surging issue: stumped
Saxo
on 03-23-2024
04-08-2024
01:39 AM
by
Eightyninef
3
212
which afr heads 0918 or 0919 ?
ray jr
on 04-07-2015
04-07-2024
04:50 PM
by
raptere
16
1,843
Altenator
BigBlock73
on 04-07-2024
04-07-2024
12:39 PM
by
Aaron R.
1
86
Good fuel pump kit needed for 88 iroc 5.7 liter,
camaro2172000
on 10-01-2023
04-06-2024
07:04 PM
by
Airwolfe
10
550
Need some fuel help.
Brianm
on 03-31-2024
04-04-2024
04:46 PM
by
Tuned Performance
21
516
89 GTA 5.7l No Fuel Pressure
mc89gta
on 03-15-2024
04-04-2024
12:22 PM
by
mc89gta
8
197
Need help on connector for 1987 iroc
Warduke
on 03-31-2024
04-04-2024
10:40 AM
by
89fast5oh
13
485
South Bay fuel injectors
Thatoneguystv
on 04-02-2024
04-03-2024
12:52 PM
by
southbay08
4
210
Fs 1985-92 TPI air foil
Mike 92LX
on 04-02-2024
04-02-2024
11:53 AM
by
Tuned Performance
1
110
Stock L98 113 port sizes?
MrIROBZ
on 04-01-2024
04-01-2024
03:19 PM
by
Fast355
1
108
Mechanical/ EST hybrid
Lawrencem43
on 03-29-2024
03-29-2024
01:03 PM
by
Tom 400 CFI
1
103
No Spark to the coil
Cztheday
on 03-24-2024
03-28-2024
06:26 PM
by
Vader
37
247
Accel exhaust gasket
BigBlock73
on 03-28-2024
03-28-2024
02:33 PM
by
BigBlock73
0
92
SPEED LIMITER
Bavooz Flo
on 03-26-2024
03-27-2024
08:34 AM
by
Tuned Performance
6
199
FiTech 38350 ECU
(
1
2
3
)
Jim P
on 05-07-2022
03-25-2024
01:42 PM
by
sublimed
122
19,869
fitech 38350
wruiz
on 03-22-2024
03-24-2024
07:53 PM
by
punkmaster98
2
217
Beat the Summer Heat Blues... TPI Fuel Vapor Lock
(
1
2
)
alan91z28
on 08-04-2016
03-23-2024
02:29 PM
by
Csani
99
15,998
engine starts and cuts out
MKA1971
on 02-25-2024
03-22-2024
12:15 PM
by
MKA1971
9
337
Tutorial: Building a new burnoff module from scratch
Dartht33bagger
on 03-19-2024
03-19-2024
02:01 PM
by
Dartht33bagger
0
108
1988 TPI 350 unknown hard line
DGGM92Camaro
on 03-16-2024
03-19-2024
12:37 AM
by
Eightyninef
3
216
New Fuel Pump Check Valve
1989rocg92
on 02-05-2023
03-18-2024
08:56 PM
by
ZorkRoc85
12
1,105
New car new to the forum
Thirdgen4me2
on 02-14-2024
03-18-2024
08:35 PM
by
chazman
16
491
Moved
lingenfelter throttle body
robgta
on 03-15-2024
-
-
-
Significant leak down and hard starting
DGGM92Camaro
on 03-10-2024
03-10-2024
11:47 PM
by
dixiebandit69
7
180
Suggestions For Mods
1978IROC
on 03-03-2024
03-10-2024
06:37 PM
by
1978IROC
8
406
Engine stalls under load
ShaneMoore
on 03-10-2024
03-10-2024
05:36 PM
by
erik69&85
3
140
Dyno
wruiz
on 03-09-2024
03-09-2024
05:27 PM
by
wruiz
0
178
Porting TPI Plenum and Runners in 2023. Finding Gaskets
Vinscully50
on 11-18-2023
03-09-2024
12:10 PM
by
TransamGTA350
16
1,090
ECM
KR81
on 03-08-2024
03-08-2024
02:25 PM
by
Aaron R.
1
198
VSS Buffer Box Location?
RyanWilson
on 09-21-2011
03-06-2024
10:51 AM
by
Tuned Performance
28
27,299
What's the scoop on the various AFPR's?
EDGE
on 03-02-2024
03-05-2024
06:00 PM
by
jimmylev
13
372
FiTech swap
Mikah1988
on 02-23-2024
03-05-2024
02:11 PM
by
Andreas_91GTA
6
294
Name these wiring harness connectors!
blackbeauty
on 05-16-2005
03-02-2024
12:48 PM
by
Bobwall1
26
3,338
Strange fuel trim issue
ULTM8Z
on 02-26-2024
02-27-2024
06:04 PM
by
Fred SS
11
310
Scrader valve
keis
on 02-21-2024
02-27-2024
07:16 AM
by
LeeH
1
174
Belt drive bracket help
old truck guy
on 02-25-2024
02-26-2024
09:55 PM
by
Tuned Performance
3
141
Speed density harness; Camaro or Firebird
Nutro
on 02-25-2024
02-26-2024
05:43 PM
by
Vader
1
139
91 Formula TPI top speed question
Saculia
on 02-21-2007
02-26-2024
06:37 AM
by
Viprklr
30
2,580
I need help troubleshooting.
TheBradyBunch
on 02-15-2024
02-23-2024
12:31 PM
by
TransamGTA350
6
294
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