Threads Tagged with 243s

5.3 turbo'd guys come in

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Blackpanther99 on Aug 8, 2014

Aug 13, 2014 09:50 PM
by Atomic

36

17,710

FORCED INDUCTION

243, 243s, ai, heads, job, ls, ls1tech, tea, valve, valvejob, valves, whats

243 Valve Job

L$X$10 on Apr 10, 2014

Apr 21, 2014 02:17 PM
by gnd111

7

2,984

020, 231239, 243s, 799, cam, heads, lm7, ls1, mill, milled

799 heads on LM7 with big cam , how much to mill ?

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1 2)

Boost-freak on Jan 16, 2014

Jan 20, 2014 10:52 AM
by joshua022

10

23,804

243799, 243s, 53, 862, cammed, compression, dyno, efans, gain, heads, high, hp, lm7, ported, prc, swap

Any dynos of 5.3L before after head swap??

69Camaro427 on Oct 29, 2013

Oct 30, 2013 04:59 PM
by 69Camaro427

3

6,588

243s, 25, 53, difference, gains, heads, hp, intake, ls6, prc, stage, tbss

Prc stage 2.5 5.3 & ls6 heads,,,need feedback

saull on Oct 7, 2013

Oct 14, 2013 10:56 PM
by WICKEDOWESIX

6

4,890

243s, 3, 53, 862, exhaust, flow, gain, heads, hp, ls1, numbers, ported, porting, springs, stock

Ported & Polished 862's numbers, what do you think?

Cammed4ever on Oct 9, 2013

Oct 10, 2013 09:31 PM
by batboy

8

23,547

2005, 243, 243s, 706, 799, 862s, head, heads, lm7, milled, ported, pushrod, pushrods, size, whats

LM7 with 243 heads

Dont4GetToWipe on Aug 17, 2013

Aug 20, 2013 10:38 AM
by Camin00

9

9,599

150, 243s, 3600, 375hp, 862, heads, lm7, o7, ported, shot, stall

LM7 Question

Treyvs on Jun 2, 2013

Jun 4, 2013 05:52 PM
by Treyvs

6

2,489

For Sale 243s Heads 12k miles

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juve_gmc on Nov 11, 2010

May 30, 2013 02:09 PM
by Chevy_King1500

12

2,010

243s, boost, building, foor, mill, motor

Building a boost motor..what goes in?

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1 2 3 4)

BGERALD on Feb 13, 2013

Mar 5, 2013 06:49 AM
by slowec

33

5,346

GMT 800 & Older GM General Discussion

243, 243s, 60, block, cqn, gasket, gaskets, gm, head, headgasket, heads, lq4, ls1, ls2, ls3, swap

lq4 w/ 243's..what head gasket? ls1 or lq4?

2doorfury on Jun 19, 2012

Jan 8, 2013 12:39 PM
by slowswb

8

23,799

243s, converter 4l80, TBSS mani, bed for 07+NNBS, 5 3 short block

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1 2 3)

lablackbeast on Oct 3, 2012

Oct 19, 2012 12:34 PM
by lablackbeast

20

2,782

05, 243s, 383, 390, 57, cam, drag, gears, horsepower, ls1, lt1, pickup, rims, skinny, truck

How much more will it take

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1 2 3)

regency on Sep 26, 2012

Sep 28, 2012 04:37 PM
by pittman

22

3,441

Drag Racing

243, 243s, 60, 60cc, compression, cut, fly, flycut, heads, id, intake, lq9, motor, n2o, pistons, put, stage, stock, tbss

LQ9 + 60cc 243 heads - Too much compression?

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1 2)

KevinF56 on Mar 6, 2012

Sep 26, 2012 11:01 PM
by 06vortecMAXls6

19

40,535

243, 243s, aluminum, gaskets, header, motor, truck

Which head gasket with 243's

banjoman on Jul 29, 2012

Jul 31, 2012 12:04 AM
by Sales3@Texas-Speed

5

1,211

Milled 243s

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nickpc82 on Oct 17, 2011

Jun 28, 2012 03:28 PM
by Chris05

22

2,801

241s, 243, 243s, 40, 53, buy, heads, lifters, ls7, milled, pushrods, rebuild, set, stock, xxx, xxxsnet

fresh 5.3 rebuild 243s milled 40,xxx compresson problem

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1 2)

mr 5.3 on May 11, 2012

May 25, 2012 06:34 PM
by 1989k1500

10

3,795

Sponsor's Announcements, Sales, and Specials

2011, 243s, 35, 59cc, chambers, drop, falls, gm, hotpipe, kit, patriot, silverado, stg, truck, turbo, w, wichita

B-day, Turbo kit special, New 1800.00 kit..

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TrickTurbo on Feb 10, 2011

May 14, 2012 04:31 PM
by TrickTurbo

56

39,248

243, 243s, 317, 317s, chamber, compression, heads, iron, lq9, ls1tech, ls2, milled, ported, ports, size

243s over 317s? on my lq9

slowWhitez71 on May 7, 2012

May 8, 2012 07:55 PM
by silverz28camaro

5

9,176

243s, 53, 64cc, 74, 806, 806s, corvette, flow, heads, ls1, numbers, ported, pushrods, stock, work

806 heads with 7.4's on 02 5.3??

02gmcbandit on Apr 15, 2012

Apr 15, 2012 02:39 PM
by 02gmcbandit

0

1,159

243, 243s, check, clearance, competition, engineering, lq9, noise, powered, ptv, size, sizeon, valve, valves, vbulletin

LQ9 with 243s

TransAm Mania on Mar 25, 2012

Apr 6, 2012 09:22 AM
by Vortec350ss

1

1,738

243, 243s, 25, cam, dickey, forums, heads, scoggins, speed, stock, texas, tr220

which heads

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1 2)

greasemykey on Jan 31, 2012

Feb 11, 2012 09:39 AM
by Whitecrewcab

16

2,204

2008, 243, 243s, carolina, casting, ctsv, exhaust, heads, north, port, ports, sale, shaped, triangle, truck

243 heads help asap!!!!!!!!

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1 2)

MAG1C on Jan 26, 2012

Jan 30, 2012 05:00 PM
by 1FastBrick

18

8,904

220220, 243, 243s, 48, 53, 799, 862, bear, black, boost, cam, head, heads, lq4, swap, tune, turbo

243's and boost

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5.3 GMC on Jan 13, 2012

Jan 16, 2012 07:08 PM
by 5.3 GMC

15

37,870

FORCED INDUCTION

00, 243s, 53, body, cam, converter, foe, gbody, good, idea, intake, ls6, sound, stock, truck

5.3..ls6 243s....ls6 intake....no cam : (

mr 5.3 on Nov 23, 2011

Jan 6, 2012 09:20 AM
by 1989k1500

9

5,120

241, 243, 243s, 317, 408, assembly, compression, flow, good, heads, ls1tech, put, ratio, rotating, tsp

317 or 243 heads with Whipple and 408?

Will on Dec 28, 2011

Dec 28, 2011 09:24 PM
by La_BigShit0389

7

3,179

0030, 243, 243s, 493579, 53, build, cam, clearance, gain, gm, head, heads, mill, milled, milling, part, piston

milling 243 for a 5.3

TheRepairMan on Dec 13, 2011

Dec 17, 2011 06:09 AM
by TheRepairMan

9

6,016

243, 243s, 25, 53, 53l, dyno, head, heads, ls6, mods, performance, prc, stage, stock, tea

stock 243's vs prc stage 2.5 5.3L heads

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1 2 3)

bigred08 on Nov 15, 2011

Nov 22, 2011 08:52 PM
by bigred08

20

38,140

10, 219227, 243, 243s, 60, 607614, build, e85, engine, gasket, head, heads, lq4, stock, turbo

CR on stock lq4 with 243's

Sn0wBa11 on Oct 22, 2011

Oct 27, 2011 03:40 PM
by 02_Orange_D1SC

8

3,452

212, 212218, 218, 243s, 265, 350, cam, comp, heads, lift, low, mill, silverado, unshroud, valves

243's or LT's with the Comp 265 Low Lift cam?

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1 2)

DMM on Oct 10, 2011

Oct 16, 2011 12:50 PM
by budhayes3

14

2,892

killed a vett!

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1 2)

Jake99 on Aug 7, 2011

Aug 13, 2011 06:33 PM
by Jake99

11

1,695

Racing and Kills Forum

030, 243, 243s, 3600, 53, biggest, cam, casting, good, head, heads, milled, milling, silverado, stall

good head for 5.3

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06murder on May 12, 2011

Jul 22, 2011 01:46 AM
by squirellhall

43

8,022

2005, 243, 243s, 48, cam, compression, heads, milled, silverado, work

243's on a 4.8?

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1 2)

Sn0wBa11 on Jul 7, 2011

Jul 12, 2011 10:15 PM
by Sn0wBa11

17

11,321

243's on a 4.8?

Sn0wBa11 on Jul 7, 2011

Jul 7, 2011 12:32 PM
by Sn0wBa11

0

570

2004, 232236, 243s, 53, 53l, 99, cam, cammed, gmc, install, kits, lifter, lifters, sierra, w

Cam install HELP!

Sierra1320 on Jun 14, 2011

Jun 15, 2011 10:17 PM
by Alpinestar

7

2,881

Regular 8.1l injectors

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1 2 3)

Luke03 on Mar 23, 2011

Apr 22, 2011 01:46 PM
by Luke03

27

2,539

New truck with 243's???

Cammed4ever on Apr 16, 2011

Apr 16, 2011 03:07 PM
by indigo s10

3

784

GMT 900 Trucks General Discussion

243s, 53, 598, 799, big, cam, flat, heads, lift, shaved, top

How big is ur cam and r ur heads shaved?

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1 2)

05gmcsierra on Mar 31, 2011

Apr 8, 2011 08:05 PM
by 05gmcsierra

18

2,335

030, 108, 1101, 111, 1112, 230234, 243, 243s, 600, 602, 799, cam, compression, eps, heads, ls1, milled

ls1 swap guys come in....please.

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1 2)

fastrt on Mar 11, 2011

Mar 31, 2011 05:33 PM
by fastrt

17

3,760

243, 243s, 53, adjust, cam, heads, ii, ls1tech, ls6, patriot, performance, preformance, price, silverado, stage

Patriot Performance Stage 2 LS6 Heads

Dirty 30 on Mar 3, 2011

Mar 7, 2011 11:32 AM
by Dirty 30

7

2,195

030, 243, 243s, 317, 53, cc, chamber, combustion, flow, head, heads, mill, numbers, size, wcch

243's vs. 317's

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1 2 3)

budhayes3 on Feb 16, 2011

Mar 1, 2011 08:45 PM
by budhayes3

29

25,358

03, 06, 2004, 226, 243s, 53, beat, camm, chevy, gt, mustang, silverado, speed, stall, stg2, stock, tube, wcch

06 mustang gt

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bmd_CL on Nov 2, 2010

Feb 5, 2011 11:49 PM
by bmd_CL

47

5,235

Racing and Kills Forum

Tsp 228.

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1 2)

youngbuck on Jan 29, 2011

Feb 1, 2011 08:51 PM
by Chevy Cowboy

16

4,063

030, 243s, 48, 53, 706, 706s, gasket, head, heads, horsepower, hp, mill, milled, prc, stock, year

706's or 243's on a 5.3?

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1 2)

NextLevel on Jan 19, 2011

Jan 23, 2011 02:15 PM
by L$X$10

13

54,102

111, 243, 243s, cncd, dual, heads, kinda, lq4, ls6, patriot, retainers, spin, springs, stage, stg1, tires

patriot 243s on a lq4

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1 2)

Bumpers on Nov 25, 2010

Dec 7, 2010 10:01 PM
by Bumpers

17

5,397

226, 228r, 243s, 53, 60, bolts, dauls, difference, engine, ford, knock, milled, revving, running, tune, what

5.3 tune on 6.0.

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youngbuck on Oct 11, 2010

Nov 7, 2010 05:33 AM
by youngbuck

66

15,150

243, 243s, 30, 53, 58cc, angle, digree, heads, job, lq4, ls1, ls2, milled, valve

FS: 243 heads, milled to 58cc and 5 angle valve job

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1 2 3)

D_reks{5.3} on Aug 29, 2010

Sep 1, 2010 07:02 PM
by D_reks{5.3}

24

4,688

228r, 243s, 53, 706, casting, compression, engine, engines, forums, head, lm7, mill, s10, truck, weight

LM7 5.3 + 243s?

lt1z93 on Jul 29, 2010

Jul 30, 2010 02:53 PM
by lt1z93

5

3,779

2.02 243's on a 5.3?

swift700 on Jul 28, 2010

Jul 28, 2010 02:47 PM
by swift700

0

698

243, 243s, 317, 317heads, corvette, gm, head, heads, livernoise, patriot, performance, sale, stage, valves

243 and 317 heads for sale

old motorhead on Jul 7, 2010

Jul 17, 2010 03:21 PM
by old motorhead

5

1,834

2005, 243, 243799, 243s, 48, 862706, coast, compression, cylinder, heads, ported, ratio, silverado, stock, west

243 Heads on a 4.8

RSTinOKC on Jun 13, 2010

Jun 14, 2010 10:24 PM
by PathfinderJr

4

30,530

scored myself some brand new LS6 heads lastnight.

SimpleManLance on Jun 5, 2010

Jun 10, 2010 06:17 AM
by SimpleManLance

7

1,067

THE TRUCK STOP

243, 243s, cc, chamber, chanber, heads, l92, lingenfelter, livernois, pp, size, stage

Livernois Stage 2 P&P 243's

1blownss on Mar 11, 2010

Mar 12, 2010 01:42 PM
by 1blownss

5

983

243, 243s, compression, gasket, head, heads, lq4, mill, milled, pistons, prc, ratio, ration, stage, truck

LQ4 and 243 heads?

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1 2)

01 BERGER CAMARO SS on Jan 11, 2010

Jan 20, 2010 10:34 PM
by NoShow

12

28,279

243, 243s, aftermarket, head, ported, porting, wcch

Get my 243's full ported by WCCH or aftermarket head?

Wonderer876 on Nov 18, 2009

Nov 18, 2009 06:22 PM
by budhayes3

1

969

243s, 317, 317s, 46, aftermarket, cfm, flow, gm, head, heads, intake, ls1, na, polished, port, ported

port my 317's or get aftermarket head?

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1 2)

4.6 eatin gm's on Nov 2, 2009

Nov 16, 2009 12:46 AM
by 4.6 eatin gm's

12

21,813

243, 243s, biggest, cam, clearance, fit, heads, issues, lq4, ms4, ptv, stock

6.0 lq4 question

ls1camaro98 on Oct 21, 2009

Oct 21, 2009 08:56 AM
by JoeyGC5

2

1,267

01, 226230, 243s, build, c3, dyno, l92, lq4, mods, performance, pipes, sierra, turbosilvyyahoocom

Gonna build a Lq4

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1 2)

NoTwotheSame on Jul 23, 2009

Aug 17, 2009 03:15 PM
by SS T56

12

1,931

ls-6 valves

BigHate on Jul 5, 2009

Jul 6, 2009 09:56 PM
by BigHate

2

567

Dynamometer Results & Comparisons

1, 243, 243s, cai, cam, cammed, camprc, custom, fender, heads, prc, spec, specs, stage, tbss, tsp

TBSS w/ Heads/Cam (PRC 243's - TSP spec'd cam)

Saladbar on Jun 3, 2009

Jun 30, 2009 07:43 PM
by Saladbar

6

3,660

243, 243s, 53, cam, cost, gen, heads, iv, nnbs, patriot, polish, port, portpolish, sodium, valves, z06

Anyone done heads on a 4.8/5.3l nnbs?

On20Z on Mar 24, 2009

Apr 5, 2009 09:55 PM
by warrantykiller

5

3,501

GMT 900 Trucks General Discussion

243, 243s, 60l, 823, fit, gm, heads, intake, l92s, ls2, silverado, vs, work

WTT : 24k 823 L92's for low miles 243's

2005 Silverado on Mar 11, 2009

Mar 11, 2009 09:33 PM
by 2005 Silverado

3

938

243s, 317s, gains, horsepower, lq4, ptv, putting

317s vs 243s

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1 2)

teamblackandred on Feb 16, 2009

Feb 23, 2009 04:59 AM
by GMCtrk

17

4,856

07, 12498544, 12575329, 12589226, 243, 243s, 53, blown, gasket, gaskets, gm, head, heads, ho, mls, w

5.3 w/243's gasket question

Horsepwraddict on Feb 8, 2009

Feb 9, 2009 09:04 PM
by 1FastBrick

4

7,760

2003, 243, 243s, 53, idling, intake, lq9, ls7, tbss, trouble

tbss intake and 243's installed

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MGMC on Nov 14, 2008

Dec 6, 2008 07:16 PM
by skyhighsami

44

20,751

243s, 346, 347, 53, 60, bore, bored, crank, forged, gasket, head, make, stock, thickness

5.3 bored to a 347??

Diablita on Sep 18, 2008

Sep 18, 2008 12:55 AM
by InchUp

1

4,700

232234, 234s, 243s, 60, cam, compression, lq9

243s on LQ9

1989k1500 on May 18, 2008

May 19, 2008 09:48 AM
by 1989k1500

3

1,311

243's or L92's

WFOsierra on Apr 17, 2008

Apr 21, 2008 10:26 AM
by zapata41

4

849

030, 035, 243, 243s, 30, 48, compression, heads, milled, milling, pushrods

Milling 243's

dirt track racer 81 on Apr 6, 2008

Apr 6, 2008 10:43 PM
by hirdlej

3

1,030

243s, 30, 60, bolt, compression, header, heads, lq4, milled, truck, whats

LQ4 6.0 w/ Milled 243s

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1 2 3 4)

iamkeniff on Dec 24, 2007

Apr 4, 2008 11:43 AM
by 20002wdchevy

34

16,865

2008, 243cc, 243s, 317, 317s, 64cc, 72cc, alma, cc, custom, ga, heads, milled, milling, s10, sale

milling 317s to match 243's cc

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1 2 3)

Tootall on Mar 12, 2008

Mar 22, 2008 04:10 PM
by jakebdb56

29

12,204

045, 111, 243, 243s, 53, 59, 59cc, cam, cc, heads, mill, milled, mti, putting, stealthheads

59cc 243 heads on 03 5.3 CR question

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1 2)

HotRodV6 on Feb 22, 2008

Mar 5, 2008 07:54 PM
by cobra95

16

9,130

243's

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1 2 3)

00SILVERADO53 on Jan 6, 2008

Feb 25, 2008 04:55 PM
by sbw9056

26

3,057