373 - Third Generation F-Body Message Boards

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1988, 1989, 273, 305, 373, 50, axle, camaro, hp, mileage, posi, rear, rearend, rs, specs, swap, tpi, upgrades

2.73 vs 3.23

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1 2)

redfivexw on Jan 15, 2009

Aug 13, 2025 11:37 PM
by Terrell3

61

16,407

Transmissions and Drivetrain

105, 18, 3550, 373, 406, buildup, camaro, finish, gears, gen, modifications, roh, sbc, start, tremec, yellow, zr1

start-to-finish

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1 2 3 4 5 ... Last Page)

bigdavesiroc on Mar 9, 2009

Nov 25, 2024 09:55 AM
by bigdavesiroc

286

52,789

Members Camaros

1990, 360ci, 373, 84, back, calif, cat, engine, gears, images, pass, regal, smog, super, supreme, unleaded

Passed Smog Yesterday

VincentZ28 on Oct 23, 2010

Jan 10, 2024 02:54 PM
by Fords88Bird

13

2,566

Southern California Area

327, 342, 373, 411, compare, difference, end, gas, gears, line, mileage, mpg, mph, rear, subiroc, thirdgen

help with 3.42 and 3.73 gears

Floorman279 on Mar 23, 2009

Oct 31, 2023 06:51 AM
by dmccain

29

15,506

Transmissions and Drivetrain

14, 17x95, 2nd, 373, 430, 8th, ccw, centerline, difference, fbody, gen, mile, supra, time, wheels

Aftermarket part weights vs stock.

midnightfirews6 on Mar 11, 2013

Oct 13, 2021 02:18 PM
by wayoffroad

29

6,798

Suspension and Chassis

120, 185, 273, 373, 38, auburn, changed, degree, engine, firebird, hypertech, pos, posi, thermostat, thermostats

Thermostat without chip?

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1 2)

Cuco85T/A on Dec 11, 2002

Sep 26, 2021 08:00 PM
by Tuned Performance

69

20,683

Cooling

373, 3rd, 4th, 700r4, at, camaro, doesnt, flooring, full, gears, high, ls1, shift, speed, throttle, trans, wont

wont shift into 4th when flooring it

irocz1228 on Dec 21, 2006

Jan 28, 2018 04:15 PM
by happyhapka

14

2,342

Transmissions and Drivetrain

1989, 373, 57, convertible, et, gears, gta, l98, worth

1989 GTA L98 Convertible value?

BLACK92B4C on Apr 21, 2008

Dec 11, 2017 08:59 AM
by okfoz

18

1,902

History / Originality

10, 273, 308, 31, 323, 342, 373, bolt, count, gear, lower, makes, multiplication, ratio, spline, tooth, torque, wat

Best (relative) 10 bolt gear ratio " teeth" quest..

TennesseeIroc-Z on Mar 1, 2014

Jul 20, 2017 07:08 PM
by Jeremy85

29

19,688

Transmissions and Drivetrain

1995, 373, 81, billet, camaro, chevelles, convertible, cutlass, gears, irocz, lites, pics, put, repairing, specialties, street, tops, z28

Did u have a Thirdgen in highschool?

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1 2 3 4 5 ... Last Page)

IROCME on Jul 13, 2007

Apr 7, 2017 11:56 AM
by Griffin92rs

1,192

114,505

Body

373, 67, camaro, convertible, dampers, doug, fastest, formula, gears, gen, nash, seismic, speed, svx, the3, whats

Fastest you've gone

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1 2 3 4 5 ... Last Page)

shred5150 on Sep 14, 2010

Mar 16, 2017 11:22 PM
by QwkTrip

540

40,293

Theoretical and Street Racing

100, 273, 373, burnout, caprice, ft, gear, gen, open, posi

3:73 posi?

GoodlookinRS on Feb 10, 2008

Feb 11, 2016 01:01 PM
by big gear head

28

7,510

Transmissions and Drivetrain

308 VS 373s 1/4 mile

IroczFan on Jul 1, 2014

Sep 30, 2015 10:58 PM
by IroczFan

46

10,802

Organized Drag Racing and Autocross

373, gear, rear, speedo, th375, transmission

After 15 years.....I got one again

cwt on Feb 24, 2013

Feb 11, 2015 12:14 AM
by cwt

49

4,069

Members Firebirds

373, 465, 53l, building, camaro, car, custom, fast, gears, rating, shifter, sm, sm465, tools, transmission

SM465 in Camaro?

86bumbleb on Jun 15, 2011

Sep 8, 2014 08:46 AM
by Atilla the Fun

10

9,943

Transmissions and Drivetrain

273, 373, 700r4, 700r4with373speedogears, gear, gears, speedo, speedometer, tpitech

Speedo gears for 700R4 and 3.73's

markz28 on Sep 20, 2000

Aug 20, 2014 10:19 AM
by Base91

5

11,210

TPI

308, 373, 700r4, driving, forums, gear, gears, reverse, shift, transmission

700R4 - only have first and reverse gears

FueledSoul on Aug 11, 2014

Aug 15, 2014 08:54 AM
by FueledSoul

9

11,437

Transmissions and Drivetrain

3600, 373, brackets, buggy, cam, coil, disaster, engine, engines, gears, genorg, ls, ls1, lsx, ms4, pictures, post, relocation, stall, thirdgen

Post Pictures of your LSX Engine Bays!

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1 2)

Buggy Disaster on Jan 7, 2014

Jul 8, 2014 08:07 PM
by 92BLKL98

76

15,683

LTX and LSX

28, 373, 700r4, gear, gears, gen, ratio, speed, tire, top, w

Ideal Gear Ratio for 700R4

cycleguy04 on Mar 24, 2014

Mar 27, 2014 12:19 AM
by cycleguy04

10

19,533

Transmissions and Drivetrain

2nd, 373, 3rd, 700r4, bang, points, shift

Sudden 700r4 Issue. Loves 3rd gear.

3rdgenmaro on Feb 22, 2014

Feb 26, 2014 11:43 AM
by 3rdgenmaro

4

1,020

Transmissions and Drivetrain

350, 373, 88, auto, camaro, carb, fan, fans, gears, high, iroc, performance, switch, switching, tpi, wire

Switching from TPI to Carb - '88 IROC

Zeifer on Feb 14, 2014

Feb 23, 2014 12:50 PM
by Zeifer

13

5,455

Carburetors

373, 410, 4th, 6500rpm, camaro, camato, carrier, end, fast, gear, gears, gen, rear, series, t56

stock rear 3.73 or 4th gen 4.10 rear T56

IROCUDREW on Jan 27, 2014

Feb 1, 2014 08:05 PM
by Ron U.S.M.C.

19

7,133

Transmissions and Drivetrain

373, axle, carrier, end, gear, gears, rear, series

Richmond 3.73 gears for series 2 carrier

Kyle86 on Dec 15, 2013

Jan 29, 2014 03:42 PM
by tartagliaz28

16

2,100

Engine/Drivetrain/Suspension Parts for Sale

1989, 373, 89, camaro, camro, chevy, interior, iroc, motor, red, sale, sc, superchargerkits, swapping, white, zz4

1989 Camaro IROC-Z for sale! ZZ4 TPI T56 Vortech SC 3.73

L98IROCZ89 on Dec 12, 2013

Dec 19, 2013 08:41 PM
by j88l98irocz

2

2,754

Camaros for Sale

323, 373, big, changing, converter, difference, faster, free, gear, gears, make, ratio, s10, stall, swap, torque

How big of a difference would swapping from a 3.23 to 3.73 gear ratio make?

Aboot on Dec 2, 2013

Dec 15, 2013 12:02 AM
by Reid Fleming

13

18,677

Transmissions and Drivetrain

373, 97, big, block, body, camaro, fit, gen, pipes, posi, side

Nightmare Camaro... any thoughts on the drivetrain?

Camarobuild18 on Nov 6, 2013

Dec 4, 2013 12:12 PM
by Camarobuild18

17

2,837

Tech / General Engine

[FL]

2002 Z28 Whole Parts Car - ONLY 18k original miles

IROCtheRoad on Dec 2, 2013

Dec 3, 2013 04:38 PM
by IROCtheRoad

3

1,301

Camaros for Sale

383 Build

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1 2 3)

NagleMac on Apr 23, 2013

Nov 22, 2013 03:08 AM
by DeltaElite121

116

8,921

Engine Swap

$2600 good price for this 1987 Iroc Z 350 tpi?????

StephenRojo909 on Nov 10, 2013

Nov 13, 2013 07:52 AM
by rusty vango

14

1,433

Body

1984, 2000, 273, 323, 355, 373, 87, camaro, fastest, gear, gears, gen, housing, put, ss, trans

Gear 2.73 to 3.73

buzzmeup on Oct 16, 2013

Oct 27, 2013 12:19 AM
by zenish

9

6,314

Transmissions and Drivetrain

2.73 to 3.73 LB9 car

Camarothatcould on Oct 23, 2013

Oct 25, 2013 06:57 PM
by Camarothatcould

6

1,070

Transmissions and Drivetrain

15, 15th, 1984, 373, 84, 95, anniversary, caprice, chevy, figure, firebird, gears, number, parts, sale, trans, year

15th Anniversary Trans AM

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1 2)

DonutGuard on Jul 19, 2012

Sep 18, 2013 08:52 AM
by Blk91Firebird

54

11,866

Members Firebirds

1987, 373, 87, axle, camaro, end, fkrum, gear, gen, gta, ratio, rear, stock, trans, transam

1987 Trans Am - Rear End Questions

padak on Sep 3, 2013

Sep 5, 2013 03:02 AM
by Ron U.S.M.C.

4

18,395

Transmissions and Drivetrain

273, 323, 373, body, camaro, carrier, ebay, gear, gears, ls1, posi, put, ring, sale, thick

Ring thickness question. Please Help

Camaro199677 on Aug 28, 2013

Aug 28, 2013 11:51 PM
by jmd

10

5,370

Transmissions and Drivetrain

373, 4160e, 4l60, 4l60e, 700r4, body, bolt, cars, ecm, gears, lq9, motor, swap, t56, thirdgen, transmission

lq9 and 4l60e swap questions

xxbrew1690xx on Aug 21, 2013

Aug 25, 2013 05:56 PM
by 86White_T/A305

4

4,357

LTX and LSX

0358, 04241, 373, 80, 800358, 8003581, 8620, 92, camaro, code, gear, gears, part, richmond, series

MINT Richmond 3.73 gears-150shipped

92z28camarokid on Oct 23, 2010

Aug 19, 2013 09:27 AM
by Camaro199677

6

1,817

Engine/Drivetrain/Suspension Parts for Sale

373, 3rd, 86, berlinetta, cable, camaro, camaros, gear, gears, gen, good, speedometer

new differential gears in a berlinetta?

casson4 on Aug 2, 2013

Aug 4, 2013 10:18 PM
by John in RI

4

1,881

Transmissions and Drivetrain

373, 3rd, 410, 86, camaro, end, fbody, firebird, gear, gears, gen, motor, nos, ratio, rear, set, tranny

Matching motor/transmission/rear-end

Dwolsieffer on Jun 15, 2009

Aug 2, 2013 10:09 PM
by big gear head

20

12,086

Transmissions and Drivetrain

1991, 1992, 25, 355, 373, camaro, egine, egr, gears, high, memcal, sonoma, speed, temp, tpi

TPI v-tech?

whitecomet on Jul 22, 2013

Jul 30, 2013 05:17 PM
by whitecomet

23

1,439

TPI

2005, 373, 38, bearing, camaro, carrier, f150, ford, high, rumble, running, shaft, speed, strip, t5, tail, transmission, viberation, vibration

I can't stop the vibration

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1 2 3)

novatuc on Dec 3, 2006

Jul 20, 2013 11:04 PM
by sjgrimsley

142

45,410

Transmissions and Drivetrain

1991, 273, 373, 3rd, auburn, camaro, change, cost, diff, differential, exchange, firebird, gear, gen, open, pinion, posi

1991 camaro open differential 2.73 questions

Kerch5 on Jul 7, 2013

Jul 8, 2013 06:59 AM
by big gear head

6

2,696

Transmissions and Drivetrain

342, 355, 373, 503, build, cam, camshaft, cc, cc503, l98, sbc, tpi, upgrades

cc503 cam????

88fastgta on Jun 27, 2013

Jun 27, 2013 05:07 PM
by 88fastgta

0

2,927

TPI

1992, 305, 373, camaro, drive, gear, speedometer

which speedo gear

da_jester on Jan 29, 2009

Jun 17, 2013 07:45 PM
by vetteoz

9

5,068

Transmissions and Drivetrain

323, 373, aftermarket, cheap, gear, gears, highway, m29, ratios, rpm, t5, t56, tremec

T56 Gear mods??.

1gary on Jun 10, 2013

Jun 12, 2013 06:50 AM
by sofakingdom

10

2,312

Transmissions and Drivetrain

1985, 2000, 373, 5sp, 91, camaro, change, cost, cover, gear, gears, gen, ratio, trans, z28

what would be the reaction if i put 3:73 gears on my 91 z28 camaro 5sp manual

xendr7wk on Jun 5, 2013

Jun 8, 2013 03:59 PM
by ninetyone

8

2,483

Tech / General Engine

305tpi with 3:73 0-60

Buggy Disaster on Feb 5, 2013

Jun 6, 2013 10:57 AM
by fireturd350

11

1,272

Transmissions and Drivetrain

273, 273373, 373, big, camaro, change, changing, end, gear, gears, housing, pinion, rear, ring, series, speedometer

2.73 to 3.73 question

jaybdaboat on Apr 14, 2013

Jun 4, 2013 10:19 PM
by DeathStarr89

27

8,299

Transmissions and Drivetrain

10, 373, 75, bolt, gm, pattern, pinion, ring

GM 3.73 Ring and Pinion

Pat Hall on May 27, 2013

Jun 3, 2013 11:30 PM
by Pat Hall

4

870

Engine/Drivetrain/Suspension Parts for Sale

1985, 373, 69, black, ebay, iroc, l69, pro, speed

Black 1985 L69 IROC on ebay

mr396 on May 20, 2013

May 26, 2013 12:52 AM
by David M

11

2,623

History / Originality

[MN]

Rear end disc, coil, 3.73 near SE MN

1986IROCZ355 on May 2, 2013

May 14, 2013 08:45 AM
by dellman83Z

9

582

Engine/Drivetrain/Suspension Wanted

Threads Tagged with 373