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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 OBDII - Thoughts/Opinions
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S10Wildside
on 08-19-2006
10-26-2016
10:42 PM
by
evilstuie
1,099
286,763
Important/Useful :
Attention ALL TPI owners...inside please...
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KYL98
on 09-25-2003
09-19-2023
05:03 PM
by
mikeceli
255
127,685
Important/Useful :
Quest for a better flowing TPI
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Dyno Don
on 02-17-2008
09-03-2018
04:55 PM
by
VincentZ28
352
127,280
Important/Useful :
TPI shootout in Feb Super Rod magazine
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Acceld Z
on 01-06-2005
01-06-2024
07:21 PM
by
BuzzLOL
318
125,949
Important/Useful :
LS1 Coil per Cylinder Conversion - Are you ready?
(
1
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S10Wildside
on 11-08-2008
07-01-2023
10:31 AM
by
Duane's 91 Z/28
145
120,144
Important/Useful :
Repinning TBI to Speed Density TPI
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anesthes
on 12-29-2003
10-29-2023
02:10 AM
by
stew'86MCSS396
365
119,748
Important/Useful :
'Performance Proms' , also TPS enhancer snake oil, and other chip basics
(
1
2
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Drew ATX
on 05-04-2002
02-13-2014
01:09 PM
by
Tuned Performance
130
79,670
Important/Useful :
BANNED TOPICS... once again, EVERYONE READ
(
1
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Ed Maher
on 02-27-2003
07-15-2023
08:25 PM
by
Tuned Performance
76
72,950
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
44,856
Normal Threads
'89 Formula 350 - 2200 RPM idle
specialized
on 08-06-2015
06-18-2022
09:26 AM
by
Bill1992
27
217,516
injectors not pulsating.will run on starting fluid.???please help!!
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beach_house
on 04-10-2010
09-25-2014
06:28 AM
by
superiorpontiac
54
183,644
BBK TPI intake setup ($399.00)
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dcs89formula
on 10-29-2004
03-13-2016
11:48 PM
by
???
999
173,738
Was I too Optimistic ? TPI L98 Power
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FormulasOnly
on 09-24-2015
07-23-2018
08:47 AM
by
aliceempire
95
163,928
The official First fuel injection tpi system build (100 percent installed and video )
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88fastgta
on 05-21-2011
03-19-2020
07:48 AM
by
firstperf1
394
144,040
vortec heads, which is better 906 or 062?
mckenzie
on 12-01-2002
07-03-2021
11:13 PM
by
Fast355
19
139,321
Fuel Pump Issues regarding heat???
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bungo78
on 07-04-2011
07-19-2019
03:12 PM
by
MrPink
825
138,353
89 gta 5.7, runs too rich, won't rev, stalls instead
gta892000
on 09-09-2015
08-11-2019
11:16 AM
by
maninacoupe
13
137,890
307 TPI Jeep in Norway
Caspar
on 08-12-2015
06-19-2016
11:19 PM
by
TinkerToyII
24
137,882
Completed: LT1 Heads on a GEN1
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tpi_roc
on 05-08-2003
07-26-2005
11:53 PM
by
Z69
151
123,317
305 TPI wont idle
Wade787b
on 08-07-2015
09-29-2015
01:15 PM
by
foxxtrot82
2
111,481
EGR temp sensor has been discontinued
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burnout88
on 07-27-2009
05-06-2022
04:44 PM
by
tbroadfoot125
603
101,663
MAF relay differences. They are not all the same
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1
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elcam84
on 07-02-2007
10-28-2016
08:31 PM
by
TA89TPI305
144
96,417
1987 Supercharged TPI w/ megasquirt/complete repaint build thread
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NufNuffZ28
on 01-10-2011
03-04-2016
09:16 AM
by
NufNuffZ28
505
95,347
More HP on a budget
gta90
on 08-15-2015
09-15-2015
04:00 PM
by
LiquidBlue
40
93,875
TPI Long Tube Runner Project
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1989GTATransAm
on 01-25-2011
11-26-2020
02:56 PM
by
1989GTATransAm
557
90,386
Question: Can I drive with disconnected MAF?
HCR13
on 01-16-2008
02-01-2021
09:11 PM
by
Jayess
14
77,546
TBI TO TPI CONVERSION
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1
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tonys91rs
on 11-16-2011
05-01-2022
12:53 PM
by
jpetritsch25
60
73,004
Fuel pump and relay questions
(
1
2
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fast86z28
on 01-04-2010
04-20-2019
05:45 PM
by
Tuned Performance
98
71,747
TPI OWNERS, I need a little help please. Hoses and lines issues.
(
1
2
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Chevy86 IROC-Z
on 07-06-2009
03-14-2019
07:23 PM
by
Tuned Performance
71
71,353
Car hard to start
bryan623
on 08-09-2015
03-22-2021
06:43 PM
by
Tuned Performance
7
70,602
casting # 14096217 what heads are these?!?
Chris Etemadi
on 08-14-2002
01-20-2024
12:42 AM
by
Fast355
20
66,643
Fuel Pump acces done..pics
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91GTABird
on 03-12-2005
12-19-2019
06:23 PM
by
Drew
222
66,193
Can you remove the vapor canister???
ROCmy86
on 04-19-2012
04-18-2013
03:29 PM
by
tparrants
34
65,998
120 psi cranking compression too low?
ULTM8Z
on 06-26-2007
03-30-2016
10:22 AM
by
ploegi
17
61,379
TPI Cross Ram Construction Thread
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1989GTATransAm
on 02-29-2012
11-18-2016
08:39 PM
by
1989GTATransAm
268
60,720
TPI Heater Hose Diagram (Picture)
Glenno
on 09-10-2009
12-26-2019
04:54 PM
by
Tuned Performance
19
60,114
TPI vs TBI
iain.thornton
on 10-26-2007
11-12-2019
02:31 PM
by
Tuned Performance
37
60,093
Fuel pump help!!!
(
1
2
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techno101
on 05-08-2014
05-16-2014
12:35 AM
by
86T/A_Ram_Air
50
58,673
High-flow TPI Camaro air lid
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1bad91Z
on 08-10-2007
03-14-2023
04:28 PM
by
aggie3rdgen
233
58,373
Symptoms Of Leaking Injectors?
Ringmaster72
on 09-18-2002
12-17-2007
03:37 AM
by
formula_novice
9
58,327
New belt routing. (with diagrams!)
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1
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Abubaca
on 09-24-2003
07-28-2022
03:42 PM
by
91banditt2
102
57,892
How much to replace fuel pressure regulator?
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3rdgenred
on 06-17-2009
04-13-2013
04:52 PM
by
Reasonable1
103
56,801
tpi fuel pressure
johnny89345
on 10-29-2009
09-06-2022
11:39 AM
by
Jomamma
30
56,385
RamJet 350 P/N 12498032
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S10Wildside
on 06-14-2004
09-26-2011
10:16 AM
by
massac3rd
107
55,068
Cylinder head casting # 14102193
AJ87CAMARO
on 06-06-2011
06-04-2019
11:32 PM
by
Mookie007
9
54,537
Fuel pressure regulator making loud ticking?
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1
2
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eurostylin
on 09-30-2007
06-23-2019
09:17 AM
by
gpatterson8167
67
52,676
LB9 died emergency
Andrew6.688
on 08-12-2015
12-13-2015
10:59 AM
by
Andrew6.688
10
51,878
Adding more horse power to a 305 Whats possible?
oracle646
on 03-07-2008
03-04-2015
07:50 PM
by
Bigtommer
35
51,850
Eliminated Charcoal canister, what to do with line?
Johnny Blaze
on 04-15-2013
10-23-2013
10:16 PM
by
0078red1
20
49,283
HP limit for Vortec heads? Power band?
Jekyll & Hyde
on 11-27-2002
12-02-2002
10:41 AM
by
Jekyll & Hyde
2
47,920
TPI Starts and runs, but bogs down under power. Lost
crazyman3737
on 08-22-2013
08-17-2020
02:10 PM
by
Kennethsmith432
39
47,515
starter enable relay bypass
pontiacpete
on 04-16-2003
11-03-2017
10:45 AM
by
bluers91
25
45,556
making upgrades to TPI engine and NOT making computer changes
BOTTLEDZ28
on 03-01-2016
03-17-2016
07:23 PM
by
Vanilla Ice
44
43,512
ZZ4 cam full specifications
91Z28-350
on 05-31-2005
06-04-2005
08:34 PM
by
D's89IROCZ
4
42,138
when key to on, fuel pump keeps running
nitroscj
on 07-07-2001
07-09-2001
09:58 PM
by
nitroscj
11
41,905
356 RWHP TPI 310 Build
(
1
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Fast355
on 05-27-2008
03-18-2011
12:23 AM
by
cuisinartvette
118
41,735
alluminum Corvette heads on TPI
(
1
2
)
vortech305
on 01-23-2002
06-13-2002
04:20 PM
by
tpi_roc
87
41,586
Negative effects of too high Fuel Pressure??
KW87GTA
on 03-31-2001
04-01-2001
08:57 PM
by
DARCOM
6
41,555
TPI makeover: WARNING Pic heavy!!
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TPI_BLAZER
on 01-09-2013
04-05-2013
11:51 AM
by
Johnny Blaze
299
41,196
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