48mm - CorvetteForum - Chevrolet Corvette Forum Discussion

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355, 48, 48mm, 52mm, bbk, body, built, corvette, horsepower, limits, lt1, mm, tb, throttle, vs

What are the HP limitations of the 48mm, 52mm, and 58mm throttle bodies?

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Archaea on Dec 14, 2006

Jul 25, 2021 06:15 PM
by MUSTANGKILLA

61

24,424

C4 Tech/Performance

10315114, 10333466, 2001, 2007, 48mm, c6, corvette, genuine, gm, number, part, screen, wind, windschield, windscreen, windshield, zo6

FS: New GM C5Z06 4.8mm windshield $350

boblav on Oct 30, 2010

Aug 10, 2016 10:49 AM
by glfrmrk

8

1,893

Southern California

48mm, adapters, adjust, carbs, carburetor, corvette, gauge, ida, idf, jetting, lm, manometer, quad, unisink, vacuum, weber, wideband

Weber Carbs 4/48mm down draft question

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1 2)

KJL on Jan 31, 2007

Aug 1, 2012 10:49 AM
by pewter99

30

3,864

C3 Tech/Performance

48, 48mm, corvette, glass, mm, windscreen, z06

Convertible Owners.........check your windshield, it may be the same 4.8mm Z06 glass.

SteveDoten on Feb 18, 2012

Feb 18, 2012 06:29 PM
by corvettecrazy2

3

943

C5 General

04, 17x8, 48mm, bore, ccws, corvette, fitment, fitting, gto, hub, offset, rims, rings, wheel, wheels

[Z06]

gto wheel question

LT1driver on Jan 18, 2012

Jan 21, 2012 10:18 PM
by paco04

5

2,096

C5 General

1982, 2011, 48mm, 96, bigger, body, c4, cfm, corvette, lt1, size, specifications, stock, throttle, throttlebody, whydopeoplegetbiggerthrottlebody

Throttle Body Size - Why do you need a bigger one?

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1 2)

dan_t on Oct 4, 2011

Oct 5, 2011 10:00 PM
by 383vett

22

9,485

C4 Tech/Performance

19, 20, 20x10, 20x85, 48mm, 8, c5, chrome, corvette, foose, legand, legend, speed, tires, wheels

Chrome Foose Legends 20x8.5 & 20x10.5 $899.99 shipped

Double D Mods on Jan 5, 2011

Jan 6, 2011 11:19 AM
by (Lucy)

10

2,063

C5 General

48, 48mm, anymore, corvette, parts, windshield, z06

[Z06]

Yet another Windshield Question

Alaskanpilot on Jun 16, 2010

Jun 18, 2010 12:34 AM
by Alaskanpilot

5

872

C5 General

48mm, air, airfoil, body, calculation, calculations, calculator, corvette, flow, lt1, numbers, results, test, testing, throttle

throttle body airfoil: found a website with some flow tests on it.

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dizwiz24 on Feb 28, 2010

Mar 4, 2010 08:13 PM
by GREGGPENN

24

4,407

C4 Tech/Performance

2002, 48mm, c5, corvette, forum, glassd, hud, safelightlite, thinner, vette, weight, windsheild, windshield, z06, zo6

[Z06]

Z06 specific windshield availability

ZR WON on Nov 6, 2009

Nov 10, 2009 08:58 PM
by Bret01Z06

16

1,518

C5 General

48, 48mm, 52, 52mm, 58, 58mm, body, chaning, lt1, mm, products, professional, throttle, throttlebody, tpi, worth

48mm to 52mm throttle body?

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loaded vet on May 22, 2009

Oct 27, 2009 11:14 PM
by Heckler45

28

9,278

C4 Tech/Performance

383, 48, 48mm, 52, 52mm, 58, body, cfm, dyno, lt1, mm, peak, ported, tb, throttle, torque

Benifits of changing from 48mm to 52mm TB on 383 LT1

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1 2)

pelensky on Oct 22, 2009

Oct 23, 2009 08:50 PM
by 5abivt

24

3,441

C4 Tech/Performance

2008, 48mm, corvette, hud, shaded, windshield

Windshield questions

209TIME!!! on Sep 13, 2008

Sep 14, 2008 08:10 PM
by UR LZN

19

722

C5 General

48mm Throttle Body

_twisted_ on Sep 27, 2007

Sep 30, 2007 05:36 PM
by _twisted_

3

462

C4 Parts for Sale/Wanted

48mm, 52mm, bodie, body, changing, gains, hp, lt1, throttle

52mm or 58mm throttle bodie

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Phatoscar on May 16, 2007

May 18, 2007 08:18 AM
by GIJoe

26

1,300

C4 Tech/Performance

So how is the stock L98 48mm thottle body....

kopbet89c4 on Mar 22, 2007

Mar 23, 2007 10:14 PM
by hippy

5

925

C4 Tech/Performance

Guess what uses a 48mm throttle body? (pic_

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cv67 on Mar 14, 2006

Mar 15, 2006 11:35 PM
by goldeneye_vet

24

1,418

C4 Tech/Performance

Why cant I locate a 48mm Throttle Body?

JCOrion on Jan 9, 2006

Jan 12, 2006 05:53 AM
by JCOrion

5

661

C4 General Discussion

48mm, airfoil, body, cfm, descreening, flow, l98, lt1, maf, sensor, test, throttle, throttlebody

Air Foil & Descreen MAFS Flow Tests

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1 2)

vettefun on Jul 22, 2005

Jul 22, 2005 09:14 PM
by LTxDave

20

1,072

C4 General Discussion

Who has their old 48mm tb's still?

Baldturbofreak on Jun 27, 2005

Jun 27, 2005 01:18 PM
by ztrips

3

670

C4 Tech/Performance

48, 48mm, body, flow, howmuck, hp, intake, lt4, mm, tb, throtle

How much am I losing with 48MM TB?

flyersfan1088 on Aug 18, 2004

Aug 22, 2004 05:36 PM
by flyersfan1088

19

919

C4 Tech/Performance

48mm, 98, big, body, cfm, classifieds, corvette, dimensions, l98, motor, size, specs, stock, tb, throttle

L98 48mm throttle body CFM

DSKRALL on Jun 29, 2004

Jun 29, 2004 07:50 PM
by DSKRALL

4

3,089

C4 Tech/Performance

what not to do when rebluiding 48mm to 52.. laugh with me %$$%$

korvette4u on May 26, 2004

May 27, 2004 12:54 PM
by Rich B.

5

547

C4 Tech/Performance

48mm, 58mm, body, dyno, gain, lt1p, response, test, throttle, tune

Replaced 58mm Throttle Body w/ Stock 48mm

MacA1979 on Apr 11, 2004

Apr 14, 2004 05:29 AM
by 93 ragtop

15

1,610

C4 Tech/Performance

17086049, 17086051, 1990, 48mm, 86, bodies, body, corvette, gm, numbers, port, sale, throtle, throttle, throttlebody, tpi, tuned

48MM Throttle Body

86Coupe on Mar 2, 2004

Mar 3, 2004 02:29 PM
by mos90

10

4,511

C4 Tech/Performance

48, 48mm, 52, 52mm, body, bored, difference, lt, mm, throttle

stock lt-1 48mm throttle body, ready to get bored to 52mm. make offer.

lilyorkie on Aug 18, 2003

Aug 20, 2003 04:22 PM
by lilyorkie

4

381

C4 Parts for Sale/Wanted

48, 48mm, 52, 60, 60mm, advantage, bodies, body, corvette, dual, flows, lt1, mm, tb, throttle, trottle

Why are the LT1 throttle bodies 48mm and a LS1 60mm?

Glasman66 on Jul 29, 2003

Jul 29, 2003 11:14 PM
by tkrussell

3

1,636

C4 Tech/Performance

48, 48mm, 502, 52, 58, 58mm, body, cfm, flow, gm, l98, orifice, ramjet, rates, ratings, tb, throttle

Flow rates for 48,52 amd 58 throttle body

johnboy89 on Apr 2, 2003

Apr 4, 2003 02:10 AM
by CorvetteZ51Racer

16

3,809

C4 Tech/Performance

1989, 48mm, body, corvette, l98, mm, size, specs, stock, throttle

L98 Throttle Body Sizes

884fun on Jan 28, 2003

Jan 29, 2003 01:12 PM
by atotalnincompoop

6

9,411

C4 Tech/Performance

Anyone have back to back dynos for 48mm to 52mm TB on big mod'd 350s?

scorp508 on Oct 31, 2002

Oct 31, 2002 07:44 PM
by Nathan Plemons

11

640

C4 Tech/Performance

[Z06]

Windshield Help..

opticZ06 on Feb 8, 2002

Feb 10, 2002 06:56 PM
by opticZ06

6

624

C5 General

48, 48mm, 52, 52mm, 58, 58mmcorvette, body, corvette, gains, gasket, lt1, lt4, make, mm, throttle, throttlebody

Does a 52mm Throttle Body hurt a stock LT4 engine?

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Andy1983 on Jan 21, 2002

Feb 6, 2002 10:28 PM
by gsvette

26

9,324

C4 Tech/Performance

48mm, 52, 52mm, 58mm, body, bore, dyno, hp, intake, lt1, mm, support, tb, throttlebody, throutle

Dyno run --------- 48mm TB vs 52mm TB -----------

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Arisa on Nov 26, 2001

Nov 28, 2001 04:57 PM
by BrianCunningham

26

2,593

C4 Tech/Performance

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