TPI

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1987, 383, 57, 93, ebay, gta, high, horsepower, how, hp, k1500, problimes, put, slp, strokers, tpi, tram, trans

Important/Useful :

TPI shootout in Feb Super Rod magazine

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Acceld Z on Jan 6, 2005

Jan 13, 2025 03:01 PM
by newbvetteguy

321

138,391

1992, 700r4, air, camaro, cold, edelbrock, flow, hp, intakes, limit, manifold, max, nos, numbers, systems, tpi, z28

Important/Useful :

Quest for a better flowing TPI

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Dyno Don on Feb 17, 2008

Sep 27, 2024 09:54 PM
by MrIROBZ

353

139,701

1994, 88, aldl, btm, camaro, chevy, firebird, fuse, gm, pinout, run, supercharger, tbi, tpi, truck

Important/Useful :

Repinning TBI to Speed Density TPI

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anesthes on Dec 29, 2003

Oct 29, 2023 02:10 AM
by stew'86MCSS396

365

134,205

355, 57, car, craft, engine, gm, ho, injection, out, port, posi, shoot, tpi, tuned, tuning, zz3

Important/Useful :

Attention ALL TPI owners...inside please...

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KYL98 on Sep 25, 2003

Sep 19, 2023 05:03 PM
by mikeceli

255

135,346

anesthes, chevy86, crossfire, fuel, grams, holley, injuction, irocz, ram, stealth, tuning, waht

Important/Useful :

BANNED TOPICS... once again, EVERYONE READ

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1 2)

Ed Maher on Feb 27, 2003

Jul 15, 2023 08:25 PM
by Tuned Performance

76

76,454

body, chevy, coil, conversions, convert, cylinder, electronic, engine, exploded, ls1, lt1, number, pack, throttle, view

Important/Useful :

LS1 Coil per Cylinder Conversion - Are you ready?

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1 2 3)

S10Wildside on Nov 8, 2008

Jul 1, 2023 10:31 AM
by Duane's 91 Z/28

145

128,666

454, coilpack, engine, firing, holley, idle, ii, l98, obd, order, rough, stealth, system, tpi, warm

Important/Useful :

TPI OBDII - Thoughts/Opinions

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S10Wildside on Aug 19, 2006

Oct 26, 2016 10:42 PM
by evilstuie

1,099

325,476

1990, blue, board, bypass, connector, delco, est, iac, ii, light, loc, setting, stiff, theft, throttle, tpi

Important/Useful :

EVERYONE READ FAQ / Index for the TPI board

Ed Maher on Dec 26, 2002

Jul 10, 2015 10:00 AM
by RED85TPI

30

47,100

350, 50, camaro, chip, chips, enhancer, gain, hypertech, iroc, jet, makes, power, rebuilding, tpi, tps

Important/Useful :

'Performance Proms' , also TPS enhancer snake oil, and other chip basics

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1 2 3)

Drew ATX on May 4, 2002

Feb 13, 2014 01:09 PM
by Tuned Performance

130

83,805

Normal Threads

50, 57, 91trans, ac, bad, car, cold, drive, idle, idles, low, lower, out, tpi, tps, wont

Low Idle with 5.0TPI 5spd

metallica2000sm on Oct 9, 2009

Oct 10, 2009 12:21 AM
by StevenB L98/LS1

4

675

Is this a good buy?

ssman9 on Oct 8, 2009

Oct 9, 2009 12:24 PM
by 86camaroZ

3

465

New to TPI and some concerns

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1 2)

Hulkamania on Sep 27, 2009

Oct 9, 2009 11:26 AM
by omnipotentgoku

54

3,210

Might buy a 305, any help is appreciated

camaroemt1 on Oct 8, 2009

Oct 9, 2009 09:31 AM
by DomesticCheese

2

416

1990, 305, 92, engine, heads, horsepower, hp, injection, paper, performance, port, rating, tpi, trans, tuned, vortec

90-92 305 tpi camshafts, misinformation?

300hpse on Oct 5, 2009

Oct 8, 2009 10:12 PM
by Fast355

15

2,949

Vacuum Lines

formula on Oct 8, 2009

Oct 8, 2009 05:19 PM
by vetteoz

1

506

194 heads/mounting problems

benin360 on Oct 7, 2009

Oct 8, 2009 04:58 PM
by JakeJr

2

501

timing spec.

Rob's 92 gta on Oct 5, 2009

Oct 8, 2009 04:18 PM
by JakeJr

3

532

305, 86, lb9, starting, tpi, trans, wont

could it be the tps ?

Birdzilla on Oct 7, 2009

Oct 8, 2009 02:13 PM
by Birdzilla

2

806

Has anyone had a hard time removing runners?

88formula305tpi on Oct 8, 2009

Oct 8, 2009 10:24 AM
by 3rd gen Will

3

595

speed density question

red/white04 on Oct 7, 2009

Oct 8, 2009 01:56 AM
by vetteoz

1

595

light, oil, pressure, pump, stoped, stopped, stopping, what

no oil pressure when stopped

mmyers_417 on Oct 4, 2009

Oct 8, 2009 01:10 AM
by petetinga

3

767

1991, 350, 91, 97, block, camaro, diagram, egr, removal, remove, removing, rs, tpi, valve, z28

Code 32! can I remove my egr and block it?

nelson84 on Oct 6, 2009

Oct 7, 2009 04:58 PM
by BigWhiteGTP

3

1,631

305, 912210, 92, auto, automotive, autozone, camaro, engine, gear, number, part, relay, stalling, test, thirdgen

What to try next? Stalling, stumbling

Akodo on Sep 28, 2009

Oct 7, 2009 04:29 PM
by BigWhiteGTP

3

2,000

bilyeu, bolts, cam, camshafts, injection, install, lifter, port, ron, secrets, specs, tips, tpi, tuned, wavelock

355 tpi, cam suggestions, tips, etc appreciated

gmsoldier on Jul 29, 2009

Oct 7, 2009 01:51 PM
by cIaRmOaCrZo

10

1,833

82mm, boost, crane, gen, hi6s, ignition, map, misfire, sensor, set, taylor, thundervolt, tpi

Crane Hi-6s misfire

bigjay89gta on Oct 7, 2009

Oct 7, 2009 01:48 PM
by bigjay89gta

0

496

1987, 57, aftermarket, cylinder, engines, gm, head, heads, increase, manifold, motor, port, power, tpi, tuned, years

TPI heads? rebuilding engine what to use?

vendetta on Sep 29, 2009

Oct 7, 2009 01:43 PM
by ls six

27

3,370

Idle problem

grover85 on Jun 22, 2008

Oct 7, 2009 12:47 PM
by Chriznoznae1

1

602

350, aup1, drive, gain, gains, iroc, night, pe, pulley, pulleys, runners, slp, tpi, underdrive, waste

SLP Runners and Underdrive pulleys no gain.

bigjay89gta on May 19, 2008

Oct 7, 2009 07:18 AM
by Dale

23

2,316

847, cam, camshaft, dyno, gm, gm847, heads, l98, lift, lt1, put, stock, take, tpi, tuning

GM847 cam with L98 heads?

BigWhiteGTP on Oct 7, 2009

Oct 7, 2009 07:05 AM
by vetteoz

1

2,328

1992, 305, 350, bolt, cam, camshaft, chain, comp, corvette, factory, install, installing, lifters, plate, roller, timing

installing comp cam...ran into problem help

benin360 on Oct 5, 2009

Oct 6, 2009 10:45 PM
by JakeJr

15

1,146

ZZ4 with TPI 89 Formula Questions

JP007 on Oct 6, 2009

Oct 6, 2009 07:48 PM
by vetteoz

1

898

10066013, 10066016, 92, camaro, casting, engine, identification, intake, lower, manifold, number, numbers, port, tpi, tuned

Casting Numbers

Ions91Z28 on Jun 26, 2002

Oct 6, 2009 05:54 PM
by vetteoz

7

4,382

10, aftermarket, bolts, cam, camaro, edelbrock, intake, l98, maifold, manifold, ram, slp, super, tpi, vortec

L98 with superram, vortec intake, which heads & cam?

nelson84 on Oct 6, 2009

Oct 6, 2009 11:20 AM
by 88fastgta

1

1,679

1991, ball, bearing, bearings, camaro, car, dent, dented, dents, fix, fixer, iroc, runners, tpi, tpidentball, tpidents

Dented runner - ball bearing fix Q ?

zs&tas on Oct 4, 2009

Oct 6, 2009 01:27 AM
by 1978monza

3

1,713

Okay Okay..

SixSeriesCSi on Jul 26, 2009

Oct 5, 2009 09:52 PM
by SixSeriesCSi

4

562

Extremely Bad Miss... Very Very Odd

quisterio on Oct 4, 2009

Oct 5, 2009 04:09 PM
by quisterio

8

637

clear, distributor, fit, gen, hei, intake, ram, stealth, vortec, wont

Distributor Wont fit my Stealth Ram

86camaroZ on Oct 3, 2009

Oct 5, 2009 03:03 PM
by 86camaroZ

15

2,139

Cruise control

robb77 on Oct 4, 2009

Oct 4, 2009 05:05 PM
by robb77

0

523

383, camaro, duel, foam, fuel, install, instructions, intake, ls1, lt1, noise, pump, sleeve, sleeves, walbro

Walbro Install - Retain Foam Sleeve?

Shift06 on Sep 22, 2009

Oct 4, 2009 02:38 PM
by RADs Racer

7

3,702

17113483, 86, camaro, codes, delco, egr, floor, good, hesitates, iroc, l98, lean, noise, port, running, runs, set, ticking, tuned, valve

I swear this is running lean but why?

IROCmenace on Sep 22, 2009

Oct 4, 2009 02:25 PM
by IROCmenace

5

3,306

1990, 1991, 1992, 305, 350, 6al, adding, combo, heads, injector, l98, lb9, lbs, mods, rebuild

Worth working on LB9?

musclecar70sfan on Sep 11, 2009

Oct 4, 2009 07:46 AM
by luvofjah

34

3,061

165, 1982, 383, 87, bogs, camaro, computer, gas, give, hooked, injector, maf, mode, ohm, tpi, yj

TPI/elec. problem?

1stcamaro85 on Sep 20, 2009

Oct 4, 2009 12:45 AM
by burnout88

13

993

5000, aftermarket, base, hp, hsr, l98, ltr, mini, mr, rpm

REAL Gains from Aftermarket LTRs and Base

danziger on Oct 3, 2009

Oct 4, 2009 12:26 AM
by danziger

24

988

1985, blankoff, bolt, cold, converting, injector, mafs, manifold, module, plate, plenum, start, system, tpi, year

help.... 1985 TPI system

25th92RS on Oct 2, 2009

Oct 3, 2009 09:50 PM
by 25th92RS

3

711

305, edelbrock, end, jegs, kit, kits, top, tpi

Question about Top end kit.

88formula305tpi on Oct 2, 2009

Oct 3, 2009 09:37 AM
by vetteoz

1

967

180ik, 350, 7727, 90, bin, brodix, corvette, ecm, files, heads, port, tuned

c3_dk on Oct 2, 2009

Oct 3, 2009 03:19 AM
by c3_dk

6

695

cold, counts, knock, l98, plugs, showing

Look at my KNOCK'd up L98

aurum_duck on Sep 30, 2009

Oct 3, 2009 01:41 AM
by Rolling Thunder

1

776

map help

bigred75 on Oct 2, 2009

Oct 3, 2009 01:09 AM
by Rolling Thunder

6

564

acceleration problem!

jll87TA on Sep 26, 2009

Oct 3, 2009 12:07 AM
by boldguy

3

604

85, fuel, iroc, light, o2, oil, open, pressure, runs, sea, sensor, stalls, switch, test, tpi, wide

85 iroc tpi runs like crap!

Rumpy1 on Aug 6, 2009

Oct 2, 2009 10:16 PM
by Iroc-zzzz

4

803

152123, aluminum, body, good, guys, heads, l98, message, motor, nj, sum, sum152123, summit, tpi

Summit Heads? What you guys think?

Imthebriman on Oct 1, 2009

Oct 2, 2009 07:18 PM
by radical82

8

1,218

Starting Issues

woundupz on Oct 2, 2009

Oct 2, 2009 10:10 AM
by woundupz

0

429

1985, afpr, back, camaro, compensate, gen, holley, injectors, iroc, larger, leak, plenum, set, tpi, vacuum

Holley AFPR woes

FFCam1991 on Sep 25, 2009

Oct 2, 2009 07:44 AM
by Theking

7

1,118

are these normal levels?

iroc stangs on Oct 1, 2009

Oct 1, 2009 10:23 PM
by iroc stangs

3

579

300, 305, 350, 383, 3rd, assembly, build, building, camaro, cheap, engine, fbody, gen, hp, motor, tpi, vortec

Help me build a 383!

Pwnage1337 on Sep 29, 2009

Oct 1, 2009 09:48 PM
by Pwnage1337

14

1,905

help with my iroc

kenkrozel on Sep 28, 2009

Oct 1, 2009 06:38 PM
by 87SnowFlake

1

428

2002, 200r4, autozone, camaro, canister, charcoal, fuel, line, preasure, return, rollover, sending, tpi, transmission, unit, valve

What are the four lines coming from the tank?

Ryanb56 on Sep 27, 2009

Oct 1, 2009 05:41 PM
by Shift06

8

6,226

Ebay injectors for my LB9...these ok?

CreepingDeath94 on Sep 29, 2009

Oct 1, 2009 04:56 PM
by Theking

2

660

accel, covers, first, fuel, gasket, injection, kit, miniram, port, rail, ram, sale, super, systems, tpi, tpis, tuned

Accel/Lignenfelter TPI system

firstroc on Jul 31, 2009

Oct 1, 2009 11:37 AM
by dfarr67

21

2,774