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Third Generation F-Body Message Boards
Tech Boards
TPI
TPI
Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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TPI
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Important/Useful :
TPI shootout in Feb Super Rod magazine
(
1
2
3
4
5
...
Last Page
)
Acceld Z
on 01-06-2005
01-06-2024
07:21 PM
by
BuzzLOL
318
125,930
Important/Useful :
Repinning TBI to Speed Density TPI
(
1
2
3
4
5
...
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...
(
1
2
3
4
5
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Last Page
)
KYL98
on 09-25-2003
09-19-2023
05:03 PM
by
mikeceli
255
127,661
Important/Useful :
BANNED TOPICS... once again, EVERYONE READ
(
1
2
)
Ed Maher
on 02-27-2003
07-15-2023
08:25 PM
by
Tuned Performance
76
72,939
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
(
1
2
3
4
5
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Last Page
)
Dyno Don
on 02-17-2008
09-03-2018
04:55 PM
by
VincentZ28
352
127,227
Important/Useful :
TPI OBDII - Thoughts/Opinions
(
1
2
3
4
5
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Last Page
)
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
79,655
Normal Threads
Control module questions
BigdavesZ28
on 02-21-2024
02-21-2024
09:11 AM
by
Tuned Performance
2
134
Please help! 86 TPI Won’t stay alive.
MattMostLikely
on 09-15-2021
02-20-2024
04:15 PM
by
dfarr67
7
577
fuel injectors
602
on 02-19-2024
02-20-2024
04:05 PM
by
Tuned Performance
9
295
aftermarket harness
wruiz
on 02-16-2024
02-19-2024
08:50 AM
by
wruiz
2
169
Replacement Charcoal canister Alternative?
CobraKai
on 04-14-2021
02-15-2024
07:52 PM
by
irocz818
4
1,445
ECU and PROMS
MattMostLikely
on 02-15-2024
02-15-2024
07:49 PM
by
Tuned Performance
9
275
Belt Routing Sticker -- no AIR.
Eightyninef
on 01-01-2024
02-14-2024
08:29 PM
by
TTOP350
10
402
First Fuel Injection intake
lonesometree
on 02-13-2024
02-14-2024
06:16 PM
by
Airwolfe
14
516
unevern idle/surging
TPI-Formula350-
on 02-26-2011
02-13-2024
01:36 PM
by
Fast355
8
2,269
Are these fake walbro fuel pumps??
thatsupnow
on 02-11-2023
02-12-2024
06:20 PM
by
OrangeBird
8
1,386
305 Heads TPI
Eightyninef
on 02-01-2024
02-12-2024
05:52 PM
by
Eightyninef
10
498
Arizona Speed & Marine Valve Cover Clearance
TheMagikMan
on 02-12-2024
02-12-2024
12:46 AM
by
TheMagikMan
0
154
WOT Issue
hassgrant
on 01-25-2024
02-08-2024
06:16 PM
by
Fred SS
6
286
PROM ID??
WobblestickGTA
on 02-06-2024
02-06-2024
03:23 PM
by
WobblestickGTA
11
208
AEM fuel pressure gauge to fuel rail
EDGE
on 02-03-2024
02-03-2024
10:51 AM
by
EDGE
8
257
89GTA 5.7 TPI: Question on Driver side radiator fan turns on when key on; normal?
89GTASC
on 02-01-2024
02-03-2024
05:56 AM
by
89GTASC
9
297
88 Camaro 5.7 TPI High Idle and Surging
JuanZ28
on 01-29-2024
02-02-2024
07:28 PM
by
JuanZ28
9
360
FiTech 38350 Speed sensor question
AlmostHeumann
on 02-01-2024
02-02-2024
05:19 PM
by
Tuned Performance
11
422
Use of TPI on something other than a V8
clyde427
on 01-24-2024
02-02-2024
02:51 PM
by
TTOP350
24
670
Should PCV pull suction when idling?
Nutro
on 01-29-2024
01-30-2024
06:07 PM
by
TTOP350
4
422
Gaskets for ported runners?
keis
on 01-23-2024
01-24-2024
10:04 PM
by
Tom 400 CFI
11
307
89 GTA cranks but won't start
JoeJack
on 10-10-2023
01-20-2024
04:30 PM
by
89GTASC
32
936
casting # 14096217 what heads are these?!?
Chris Etemadi
on 08-14-2002
01-20-2024
12:42 AM
by
Fast355
20
66,592
305 Tpi mod advice
(
1
2
)
89Formula2
on 10-06-2023
01-19-2024
10:21 PM
by
L0tuS
54
1,709
OEM Spark Plug Wire Resistance
scorpiusx
on 01-14-2024
01-15-2024
10:50 AM
by
Vader
2
226
BSE v Delphi MAF
KR81
on 12-23-2023
01-13-2024
01:47 PM
by
SbFormula
15
701
89 egr solenoid valve, 305, need help please
ld91
on 04-02-2013
01-09-2024
11:58 PM
by
Eightyninef
13
3,516
No crank, no start, Security light on.
chazman
on 11-14-2023
01-09-2024
11:56 PM
by
Eightyninef
11
570
No crank, l when i turn key
Pbarnett98
on 08-30-2022
01-09-2024
11:54 PM
by
Eightyninef
14
963
91 TPI 5 speed into 87 ex-carb
RobC87
on 01-05-2024
01-05-2024
05:24 PM
by
RobC87
0
172
L98 TPI
dansm
on 01-05-2024
01-05-2024
01:28 PM
by
dansm
2
294
Codes 33, 34, and 36 but it runs fine - '89 5.7
Jack_88
on 12-19-2023
01-02-2024
12:40 PM
by
SbFormula
32
559
Hot cam worth it?
johnnyph1
on 12-30-2023
12-31-2023
07:38 PM
by
Orr89RocZ
5
423
Tpi swap and external fuel pump system?
Mika
on 12-25-2001
12-28-2023
04:22 PM
by
Tom 400 CFI
21
10,730
Whats the deal with the First Fuel Injection TPI?
(
1
2
)
MrIROBZ
on 12-09-2023
12-27-2023
03:28 PM
by
Tom 400 CFI
63
2,492
HELP! Correct MAF
nkaiser81
on 12-20-2023
12-22-2023
03:57 PM
by
KR81
4
313
TPI Throttle Body
ed2903
on 12-10-2023
12-15-2023
11:28 PM
by
TTOP350
5
503
Sending unit help?
nkaiser81
on 12-10-2023
12-11-2023
08:03 PM
by
nkaiser81
9
314
Does A TPI Base From a 1989 Corvette Work With An 86 LB9?
Vinscully50
on 12-06-2023
12-11-2023
03:18 PM
by
Airwolfe
5
478
Does Anyone Know Anything About the 1985 Corvette L98 Heads?
Vinscully50
on 12-05-2023
12-06-2023
01:13 PM
by
Fast355
5
506
Anyone know where this part goes?
buddybuddy
on 12-03-2023
12-05-2023
06:14 AM
by
buddybuddy
2
418
91 tpi O2 issue
Faolan
on 11-27-2023
12-03-2023
07:28 AM
by
SbFormula
11
402
TPI throttle sticking open (strange)
QuickStyle
on 04-07-2004
11-22-2023
03:09 PM
by
george88gta
22
9,619
How I rebuilt my factory Throttle Body
Tootie Pang
on 05-19-2020
11-20-2023
03:54 PM
by
c-137
6
3,578
Prom Burning
Bluesting70
on 11-17-2023
11-20-2023
08:22 AM
by
Bluesting70
8
459
Start/ idle issue
Brianm
on 11-16-2023
11-17-2023
10:32 PM
by
Brianm
8
401
350 HO tpi swap
leakyz28
on 11-05-2023
11-16-2023
09:33 PM
by
leakyz28
7
633
is this actually a lingenfelter prototype tpi manifold and runners?
project89
on 01-01-2012
11-16-2023
08:48 AM
by
Tom 400 CFI
29
7,801
Serpentine belt number 1992 TPI
R3500
on 12-17-2015
11-14-2023
07:27 AM
by
bholmes
5
9,007
Fuel pressure regulator return line modification
69SSTPI
on 11-03-2023
11-12-2023
05:10 AM
by
Drgnbld
3
420
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