Threads Tagged with valves

90, check, corvette, crankcase, engine, headgasket, l98, pcv, pressure, pvc, system, tuneport, valvas, valve, valves

Are we supposed to have two PCV valves on our L98 engines?

Rob 93ZR-1 on 12-30-2003

10-24-2023 05:36 PM
by Sabre34

9

8,647

3500, 3lt, actuator, collar, corvette, dual, exhaust, exhaustdualmode, ls3, mode, mplsmn, npp, open, pipe, tail, valves

Dual Mode Exhaust System

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1 2 3)

Dave Kitch on 05-30-2010

09-02-2023 02:54 PM
by FatsWaller

55

50,486

C5 Forced Induction/Nitrous

7775k53, boost, c5, check, corvette, cross, fill, flow, hold, intake, manifold, neck, pcv, replacing, schematic, section, valve, valves

Which Check Valve for PCV!?

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1 2 3)

IDM on 03-26-2010

02-16-2022 07:56 PM
by crazybillss

43

8,209

air, change, changing, closed, hold, nylon, place, pressure, rope, spring, springs, valve, valves

Change valve springs, how to hold valves?

65Z01 on 07-19-2001

06-15-2021 09:21 PM
by cv67

15

9,010

1979, 78, 81, c5, control, corvette, diagram, door, heater, hose, lines, routing, vacuum, valve, valves

Heater control valve vacuum line 1979

MinnesotaJeff on 04-06-2012

04-26-2020 02:03 PM
by NewbVetteGuy

12

18,738

74, 75, c3, corvette, head, headlight, lamp, rebuilding, relay, vacume, vacuum, valve, valves, vette, wiper

Vacuum relay valves

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1 2 3)

Paul71LT1 on 03-14-2008

03-24-2020 06:41 PM
by '75

43

22,706

2011, actuated, butterfly, central, corvette, exhaust, exhaustflap, open, operated, parts, vac, vacuum, vacuumactuated, valve, valves

[Z06]

Vacuum actuated exhaust question -Advice welcomed

Bone Daddy on 10-12-2011

01-14-2020 10:22 PM
by Davewhitegt

6

1,912

243, block, body, c6, corvette, fit, heads, intake, l92, ls1, ls2, ls6, size, valve, valves

Do LS2 heads fit an LS1?

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1 2)

JKennedy1612 on 10-06-2008

01-06-2020 05:21 PM
by FYRARMS

26

32,762

C5 General

243, bronze, c3, clearance, corvette, guide, guides, heads, ls1, measure, replacement, valve, valves, wear, worn

Valve Guide Wear?

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1 2)

Blue Angel on 08-26-2011

05-28-2019 10:14 AM
by Georgies

27

9,778

C5 Tech

1994, 6e3c2, 7792929, autozone, corvette, egr1082, emissions, engine, evap, lt1, number, ps168, sensors, switches, valve, valves

Sensors, switches and valves for the LT1

C4fan on 01-02-2011

04-27-2019 11:42 PM
by d4d4u1

17

18,288

1974, 1980, 1987, 88, c3, corvette, effect, egr, erg, factory, htere, needed, removing, tis, valve, valves

EGR Valve, Do I Need This?

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1 2)

7T3C3TTZ07 on 04-03-2010

04-02-2019 12:20 AM
by vettebuyer6369

30

15,160

2001, 357, 632, afr, bbc, bbcheads, covers, flow, head, heads, numbers, run, test, valve, valves

Anyone run AFR BBC Heads? Here are my flow numbers for my new AFR 357s

MattG on 04-25-2003

08-17-2018 07:22 PM
by Rocket-J

14

7,021

Engine Mods

06, blown, cores, corvette, engine, exhaust, factory, florida, forum, gm, ls7, replacing, sale, specs, valves

[Z06]

blown 06 LS7 help

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1 2 3 ... Last Page)

fastbluels6 on 01-11-2011

06-15-2018 12:16 AM
by tw78911sc

90

15,057

194, 202, benifets, brodix, cam, camel, cutting, heads, hp, ik, vales, valve, valves, voodoo, vortec

Wasting Money: A 2.02 Valve size increase

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1 2)

KyleDallas on 10-29-2007

06-13-2018 06:31 AM
by naramlee

39

23,300

bobistheoilguy, bobisthoilguy, cylinder, freeing, fuel, intrusion, kohler, lubricant, marvel, mmo, mystery, sticking, upper, valves, water

Marvel Mystery Oil in Fuel?

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1 2 3 ... Last Page)

RJD42 on 07-27-2007

02-25-2018 11:13 AM
by babbah

106

47,087

booster, brake, carb, check, edlebrock, holley, hose, l82, manifold, pcv, power, running, spacer, vacuum, valve, valves

Brake booster and PCV hose location?

tzavaleta on 04-19-2003

12-09-2017 09:24 AM
by resdoggie

16

21,901

06, 1500, 2000, 2007, corvette, engine, loud, ls7, noise, popping, rpm, tick, ticking, valves, z06

[Z06]

LOUD ticking at 1,500 to 2,000 rpms... What's the cause?

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1 2 3 ... Last Page)

BrokerDon on 08-02-2010

11-20-2017 10:36 PM
by Apocolipse

252

94,670

checking, cylinder, heads, jason, katech, kits, lash, ls7, ls9, powered, sale, trunnion, valve, valves, vbulletin

[Z06]

KATECH PSA: LS7/LS9 cylinder heads, valve guides, valves and rocker arms

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1 2 3 ... Last Page)

Katech_Zach on 03-20-2012

08-23-2017 08:20 PM
by corvettenutz

337

98,177

76, ac, cleaning, corvette, cross, flushing, gm, kit, poa, rebuild, rebuildable, section, testing, update, valve, valves

Has anybody cleaned or refurbished their a/c POA valve themselves?

R1234 on 07-05-2003

08-11-2017 11:26 AM
by ptwohey

6

11,313

Factory Correct Resto

12506759, 1996, 2006, 86, abs, brake, c4, corvette, location, modulator, picture, pressure, presure, valve, valves, vette

FS: 86-92 ABS Modulator Valve

Sleazy Rider on 12-17-2006

02-11-2017 02:16 PM
by 86project

4

2,052

C4 Parts for Sale/Wanted

analysis, c6, cam, corvette, discusion, dropped, engine, failure, hot, ls7, people, retune, stainless, valve, valves, zr1

Poll [Z06]

Poll on LS7's with dropped valves or catastrophic engine failure

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1 2 3 ... Last Page)

Mr. Gizmo on 06-26-2010

01-16-2017 08:06 AM
by Unreal

125

42,280

1967, brake, c1, caliper, corvette, hayes, j56, kelsey, prop, proportioning, rebuild, vakve, valve, valves, vette

J-56 Proportioning Valve - 66

66BlkBB on 04-30-2011

12-20-2016 06:49 AM
by vetteheadracer

15

4,692

198687, 65, 95, c3, c5, control, controls, corvette, heater, operated, replace, vacuum, valve, valves, vette

Heater Control Valve

Bond007 on 06-26-2005

11-12-2016 07:27 PM
by lvmyvt76

16

8,131

P&G Valve Gapper User's Manual

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1 2)

Lance Miller on 01-31-2010

09-06-2016 05:20 PM
by W Guy

24

14,106

91, adjust, aligned, corvette, engine, factory, full, gm, l98, lt1, rockers, roller, sbc, torque, valves

installed roller rockers on my 91 C4 L98

rpoL98 on 03-31-2011

07-29-2016 08:05 PM
by Street89vette

19

18,487

2005, adjusting, adjustment, c6, collars, corvette, ecortte, linkage, npp, valves, wheel

Adjusting NPP valves to be just partially open

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1 2 3)

Turbo6TA on 07-31-2011

12-30-2015 04:29 PM
by RichKiss

50

16,844

butterfly, c6, corvette, dismantle, exhaust, linkage, npp, rattle, rattles, valva, valve, valves

Strange NPP muffler valve rattle (with video)

spin-doktor on 07-01-2009

06-16-2015 04:04 PM
by xgto

8

3,484

C6 Forced Induction/Nitrous

compound, corvette, covers, lt1, lt4, made, milled, mount, notch, polishing, rocker, shaft, stainless, valve, valves, year

any pics of aftermarket LT4 valve covers

Elrick on 10-10-2011

02-25-2015 03:42 PM
by Klondike

18

6,855

C4 General Discussion

aa, adjustment, blow, bov, bypass, c6, comparison, knob, plumbing, race, sounds, supercharger, valve, valves, video, vortech

Vortech Vs A&A/TuboSmart Supercharger Bypass Valve (BOV) Comparison (With Video)

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1 2)

PowerLabs on 04-01-2010

01-18-2015 07:12 PM
by BowtieBilly1121

31

19,921

18, arms, l92, ls1, ls2, ls3, lsx, race, rocker, rockers, roller, scorpion, solid, trunnion, valves

Scorpion Race Series Roller Rocker Arms [GM LS1, LS6, LS2, L92, LS3 & LS9]

COSPEED on 01-26-2011

12-11-2014 02:37 PM
by Mr.Nubain

14

10,297

C6 Tech/Performance

1986, 1999, c5, c6, check, corvette, drops, fuel, holds, line, loss, preasure, pressure, quickly, valve, valves

Fuel line check valve? Pressure drops after ign OFF.

Juhatee on 03-09-2011

10-29-2014 01:48 PM
by Joe Gilmore

9

12,697

C5 Forced Induction/Nitrous

07, 15879288, 20052007, american, c6, c6s, corvette, ebay, headers, motors, mufflers, npp, racing, remote, upgrade, valves, wireless

NPP OEM Exhaust Upgrade for 05' - 07' C6's

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1 2 3)

captalny on 12-18-2008

09-09-2014 07:09 PM
by haljensen

44

5,011

corvette, gm, hollow, intake, ls2, ls6, number, numbers, part, sale, sodium, sodiumhollow, valve, valves

FOR SALE ls6/ls2 sodium/hollow valves gm performance parts

Bc1980 on 03-02-2010

08-09-2014 10:25 PM
by kalayaan12

13

1,614

avalanche, bad, damaged, drain, good, intake, ls7, mushroomed, oil, plug, roller, timing, tip, valve, valves

[Z06]

failed rocker chewing up the top of the valve?

(

1 2 3)

KGjevre on 04-19-2008

04-23-2014 09:05 AM
by 08VRZ06

53

18,113

231238, big, broken, cam, car, checking, clearence, corvette, lifter, ls3, perfomance, piston, pistons, ptv, touch, valves

Cam too big? Broken lifter and valves touched pistons...

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1 2 3 ... Last Page)

CDaniel525 on 03-26-2012

04-20-2014 11:22 AM
by CDaniel525

105

35,369

C6 Tech/Performance

c3, cam, compression, corvette, drop, dropped, engines, heads, issue, issues, ls7, problems, uracowman, valve, valves

[Z06]

Question about the valve drop issue some of the LS7 motors are having

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1 2 3)

uracowman on 10-27-2011

11-01-2013 12:21 PM
by Bill Dearborn

50

7,137

427, adjusting, adjustment, c3, corvette, crank, hand, l71, lifters, solid, tdc, valve, valves

How do you hand crank a 427

vette blue on 10-22-2009

07-11-2013 07:21 AM
by Phil Zell

17

1,635

bigger, cost, effective, head, heads, install, installing, larger, porting, valves, vortec

porting the vortec heads and installing larger valves

79corvetteTPI on 08-27-2003

03-16-2013 01:32 PM
by v2racing

7

5,214

2008, c6, clinking, corvette, ls7, noise, noisey, problems, train, valve, valves, valvetrain, z06

[Z06]

08 ls7 valve train noise

tommydz06 on 11-11-2011

03-15-2013 12:35 PM
by fnunez

19

10,148

1040, carbon, cast, del, exhaust, forum, ivls6oem, microstructure, olm, qual, stainless, steel, street, titanium, valve, valves, west, whistle

[Z06]

Titanium exhaust valves...

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1 2)

Cheesecake 07 on 02-05-2012

03-09-2013 08:58 AM
by '06 Quicksilver Z06

32

15,647

360, 427, adjust, adjusted, corvette, engine, make, motor, noise, obs, prairie, properly, reason, running, setting, tighten, valves

do you adjust valves with engine running or off????

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1 2)

Brandt on 08-09-2002

01-22-2013 04:59 PM
by dtamustang

23

13,438

baffle, baffles, butterfly, c5, change, corvette, corvettes, ecm, exhaust, fuse, module, open, pull, remove, removing, sound, valves, z06

[Z06]

What happens when you dont pull the fuse for exhaust install?

Geared on 03-21-2010

11-24-2012 07:31 PM
by Vette_DD

17

3,293

bronze, exhaust, ferrea, guide, guides, ls7, ss, valve, valves, weight

F/S: Ferrea SS Exhaust Valves and Bronze Valve Guides for LS7

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1 2)

TORQJNKY on 12-21-2011

08-23-2012 03:03 PM
by TORQJNKY

20

2,136

backorder, borla, c5, corsa, cutout, exhaust, valves, zo6

[Z06]

Save Big on Catbacks & Cutouts this Fall @ MarylandSpeed- Borla, Corsa, B&B, DMH, etc

MarylandSpeed on 10-02-2011

08-19-2012 10:42 AM
by Dankus Z

3

3,097

C5 General

1985, 85, c4, corvette, cover, covers, gasket, l98, put, removal, replace, replacement, replacemnt, side, valve, valves

valve cover replacement advice? - 85 l98

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1 2)

viii on 04-11-2006

08-18-2012 02:28 AM
by Cntroes

34

9,296

1994, 2000, 92, 93, bubbles, c4, coolant, corvette, low, overflow, overflows, recovery, tank, vacuum, valves

LT-1, lower coolant recovery tank over flowing

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1 2)

69mako on 03-20-2012

06-03-2012 10:10 AM
by XR_Strider_GuY

24

3,638

clinton, eforce, engine, exhaust, guide, issue, issues, ktech, ls7, mi, sodium, stainles, twnp, valve, valves, wearing

[Z06]

Ls7 valve issues--real or E-phenom?

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1 2 3 ... Last Page)

BSSN on 06-22-2010

05-28-2012 12:35 PM
by johnodrake

131

59,144

c3, control, corvette, leak, leaking, power, sale, steering, valve, valves

Leaking Power Steering Control Valve

canuk99 on 04-24-2012

05-20-2012 12:42 PM
by canuk99

6

8,253

FS: Z06 Valves.. springs and cam

StateofText on 05-15-2012

05-15-2012 09:46 PM
by StateofText

0

367

buildup, c4, c6, corvette, kit, motor, spring, springs, valve, valves

How much work to install new valve springs, retainers and locks?

qwiketz on 05-09-2012

05-09-2012 12:52 PM
by 383vett

4

1,198

16, 1984, 32, change, corvette, diagram, engine, vacuum, valve, valves

16 valve vs. 32 valves

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1 2)

red69cnl on 05-01-2012

05-09-2012 03:26 AM
by glass slipper

20

4,563

C4 ZR-1 Discussion

1996, 2002, 2006, air, check, ck, corvette, injection, replace, replacing, valve, valves

Air Check Valve Replacing

Tulsa Vette Guy on 05-03-2012

05-03-2012 10:19 PM
by byronhunter

1

761

C5 Tech

c1, cap, car, coming, corvette, cover, engine, oil, pcv, problems, smoke, smoking, valve, valves, white

Smoke from oil cap?

rolinger on 04-23-2012

04-30-2012 10:54 AM
by rolinger

10

6,283

243, ai, c5, cnc, corvette, factory, head, heads, ls3, ported, porting, tricks, turn, valves, z06

[Z06]

AI porting or Aftermarket heads

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1 2)

Silnus on 04-20-2012

04-25-2012 09:24 PM
by James Short

26

5,465

C5 General

06, corvette, ls2, tap, tapping, valve, valves

Valve tap

MB2 on 04-22-2012

04-22-2012 10:05 PM
by truckplay

1

814

adjust, adjusting, big, block, hydraulic, valves

How to adjust hydraulic valves on a 69 Big Block

onsturn on 04-17-2012

04-19-2012 04:11 PM
by VCuomo

17

20,089

2nd, 3rd, 4th, accidentally, bent, corvette, downshifted, downshifting, drag, gear, low, racing, shift, shifted, shifting, valves

[Z06]

what can happen if you were to accidently down-shift to a too low gear?

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1 2 3)

carlsbad on 04-12-2012

04-16-2012 06:23 PM
by 40YRW8

44

24,210

WTB set of LS2 valves

YELW 06 Z51 on 04-01-2012

04-13-2012 11:09 PM
by Gene Culley

1

359

bad, c5, check, corvette, cover, cylinder, removal, remove, single, valve, valves

Removing valve cover and check valves

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1 2)

Iron_dog on 03-30-2012

04-13-2012 12:23 AM
by marshal135

22

5,164

never thought i would say this but.... i now will have to make a build thread.

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1 2 3 ... Last Page)

Underdogg on 01-08-2012

04-10-2012 01:46 PM
by KyleGernentz

73

4,118

C5 Tech

1967, car, choke, corvette, corvettes, heat, manual, midyear, riser, start, valves

To choke or not to choke... carbon

jimh_1962 on 04-06-2012

04-09-2012 10:00 AM
by waltonb123

15

1,800

[Z06]

Exhaust Valves will not close

getburnt on 12-16-2011

04-08-2012 09:44 AM
by getburnt

8

2,252

C5 Forced Induction/Nitrous

blownbluez06, chain, corvette, forum, sodium, timing, valves, z06

Timing chain dampner...........and Z06 sodium valves(02-04) with the FI............

SteveDoten on 04-06-2012

04-07-2012 09:15 AM
by Corvette-Chris

4

710

c2, corvette, fuel, gas, internal, lines, ls, motor, properly, ricks, stainless, tank, valves, vent, venting

Proper venting of fuel tank - LS engine in 63

jafranke on 04-01-2012

04-04-2012 05:37 PM
by jafranke

4

5,569

1984, 1989, 89, clicking, cold, corvette, injector, number, part, problems, racing, start, valve, valves

cold start valve

redvetttes on 04-02-2012

04-03-2012 07:18 AM
by redvetttes

4

1,193

C4 General Discussion

Ferrea Solid Core LS7 Exhaust Valves FS

dfinke23 on 02-15-2012

04-02-2012 08:56 AM
by RoadHead

2

618

L68 Heads. I need new valves!!!!

My1968Vette on 03-27-2012

03-29-2012 07:34 AM
by AWilson

9

841

I took a chance and bought a motor online

76Vett on 03-27-2012

03-27-2012 08:20 AM
by Gordonm

5

721