Threads Tagged with 243s

5.3 turbo'd guys come in

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1 2 3 4)

Blackpanther99 on 08-08-2014

08-13-2014 09:50 PM
by Atomic

36

16,380

FORCED INDUCTION

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

243 Valve Job

L$X$10 on 04-10-2014

04-21-2014 02:17 PM
by gnd111

7

2,540

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 01-16-2014

01-20-2014 10:52 AM
by joshua022

10

21,523

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 10-29-2013

10-30-2013 04:59 PM
by 69Camaro427

3

5,579

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

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

saull on 10-07-2013

10-14-2013 10:56 PM
by WICKEDOWESIX

6

4,587

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 10-09-2013

10-10-2013 09:31 PM
by batboy

8

20,088

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

LM7 with 243 heads

Dont4GetToWipe on 08-17-2013

08-20-2013 10:38 AM
by Camin00

9

8,839

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

LM7 Question

Treyvs on 06-02-2013

06-04-2013 05:52 PM
by Treyvs

6

2,394

For Sale 243s Heads 12k miles

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1 2)

juve_gmc on 11-11-2010

05-30-2013 02:09 PM
by Chevy_King1500

12

1,773

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

Building a boost motor..what goes in?

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1 2 3 4)

BGERALD on 02-13-2013

03-05-2013 06:49 AM
by slowec

33

4,579

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 06-19-2012

01-08-2013 12:39 PM
by slowswb

8

19,994

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

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1 2 3)

lablackbeast on 10-03-2012

10-19-2012 12:34 PM
by lablackbeast

20

2,402

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 09-26-2012

09-28-2012 04:37 PM
by pittman

22

2,862

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 03-06-2012

09-26-2012 11:01 PM
by 06vortecMAXls6

19

36,224

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

Which head gasket with 243's

banjoman on 07-29-2012

07-31-2012 12:04 AM
by Sales3@Texas-Speed

5

1,048

Milled 243s

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1 2 3)

nickpc82 on 10-17-2011

06-28-2012 03:28 PM
by Chris05

22

2,472

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 05-11-2012

05-25-2012 06:34 PM
by 1989k1500

10

3,567

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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1 2 3 4 5 ... Last Page)

TrickTurbo on 02-10-2011

05-14-2012 04:31 PM
by TrickTurbo

56

36,787

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

243s over 317s? on my lq9

slowWhitez71 on 05-07-2012

05-08-2012 07:55 PM
by silverz28camaro

5

8,137

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 04-15-2012

04-15-2012 02:39 PM
by 02gmcbandit

0

1,102

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

LQ9 with 243s

TransAm Mania on 03-25-2012

04-06-2012 09:22 AM
by Vortec350ss

1

1,519

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

which heads

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1 2)

greasemykey on 01-31-2012

02-11-2012 09:39 AM
by Whitecrewcab

16

1,866

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 01-26-2012

01-30-2012 05:00 PM
by 1FastBrick

18

8,107

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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1 2)

5.3 GMC on 01-13-2012

01-16-2012 07:08 PM
by 5.3 GMC

15

33,008

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 11-23-2011

01-06-2012 09:20 AM
by 1989k1500

9

4,821

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 12-28-2011

12-28-2011 09:24 PM
by La_BigShit0389

7

2,610

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 12-13-2011

12-17-2011 06:09 AM
by TheRepairMan

9

5,142

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 11-15-2011

11-22-2011 08:52 PM
by bigred08

20

35,561

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

CR on stock lq4 with 243's

Sn0wBa11 on 10-22-2011

10-27-2011 03:40 PM
by 02_Orange_D1SC

8

3,079

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 10-10-2011

10-16-2011 12:50 PM
by budhayes3

14

2,607

killed a vett!

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1 2)

Jake99 on 08-07-2011

08-13-2011 06:33 PM
by Jake99

11

1,479

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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1 2 3 4 5)

06murder on 05-12-2011

07-22-2011 01:46 AM
by squirellhall

43

7,397

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

243's on a 4.8?

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1 2)

Sn0wBa11 on 07-07-2011

07-12-2011 10:15 PM
by Sn0wBa11

17

10,294

243's on a 4.8?

Sn0wBa11 on 07-07-2011

07-07-2011 12:32 PM
by Sn0wBa11

0

510

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

Cam install HELP!

Sierra1320 on 06-14-2011

06-15-2011 10:17 PM
by Alpinestar

7

2,664

Regular 8.1l injectors

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1 2 3)

Luke03 on 03-23-2011

04-22-2011 01:46 PM
by Luke03

27

2,151

New truck with 243's???

Cammed4ever on 04-16-2011

04-16-2011 03:07 PM
by indigo s10

3

695

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 03-31-2011

04-08-2011 08:05 PM
by 05gmcsierra

18

2,109

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 03-11-2011

03-31-2011 05:33 PM
by fastrt

17

3,434

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

Patriot Performance Stage 2 LS6 Heads

Dirty 30 on 03-03-2011

03-07-2011 11:32 AM
by Dirty 30

7

1,989

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 02-16-2011

03-01-2011 08:45 PM
by budhayes3

29

23,503

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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1 2 3 4 5)

bmd_CL on 11-02-2010

02-05-2011 11:49 PM
by bmd_CL

47

4,681

Racing and Kills Forum

Tsp 228.

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1 2)

youngbuck on 01-29-2011

02-01-2011 08:51 PM
by Chevy Cowboy

16

3,601

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 01-19-2011

01-23-2011 02:15 PM
by L$X$10

13

51,193

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 11-25-2010

12-07-2010 10:01 PM
by Bumpers

17

5,129

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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1 2 3 4 5 ... Last Page)

youngbuck on 10-11-2010

11-07-2010 05:33 AM
by youngbuck

66

13,553

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 08-29-2010

09-01-2010 07:02 PM
by D_reks{5.3}

24

4,212

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

LM7 5.3 + 243s?

lt1z93 on 07-29-2010

07-30-2010 02:53 PM
by lt1z93

5

3,511

2.02 243's on a 5.3?

swift700 on 07-28-2010

07-28-2010 02:47 PM
by swift700

0

652

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

243 and 317 heads for sale

old motorhead on 07-07-2010

07-17-2010 03:21 PM
by old motorhead

5

1,757

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

243 Heads on a 4.8

RSTinOKC on 06-13-2010

06-14-2010 10:24 PM
by PathfinderJr

4

25,716

scored myself some brand new LS6 heads lastnight.

SimpleManLance on 06-05-2010

06-10-2010 06:17 AM
by SimpleManLance

7

972

THE TRUCK STOP

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

Livernois Stage 2 P&P 243's

1blownss on 03-11-2010

03-12-2010 01:42 PM
by 1blownss

5

891

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 01-11-2010

01-20-2010 10:34 PM
by NoShow

12

24,966

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

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

Wonderer876 on 11-18-2009

11-18-2009 06:22 PM
by budhayes3

1

805

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 11-02-2009

11-16-2009 12:46 AM
by 4.6 eatin gm's

12

19,670

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

6.0 lq4 question

ls1camaro98 on 10-21-2009

10-21-2009 08:56 AM
by JoeyGC5

2

1,174

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 07-23-2009

08-17-2009 03:15 PM
by SS T56

12

1,678

ls-6 valves

BigHate on 07-05-2009

07-06-2009 09:56 PM
by BigHate

2

476

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 06-03-2009

06-30-2009 07:43 PM
by Saladbar

6

3,513

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 03-24-2009

04-05-2009 09:55 PM
by warrantykiller

5

3,355

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 03-11-2009

03-11-2009 09:33 PM
by 2005 Silverado

3

822

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

317s vs 243s

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1 2)

teamblackandred on 02-16-2009

02-23-2009 04:59 AM
by GMCtrk

17

4,531

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 02-08-2009

02-09-2009 09:04 PM
by 1FastBrick

4

7,295

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

tbss intake and 243's installed

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1 2 3 4 5)

MGMC on 11-14-2008

12-06-2008 07:16 PM
by skyhighsami

44

16,095

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

5.3 bored to a 347??

Diablita on 09-18-2008

09-18-2008 12:55 AM
by InchUp

1

4,242

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

243s on LQ9

1989k1500 on 05-18-2008

05-19-2008 09:48 AM
by 1989k1500

3

1,203

243's or L92's

WFOsierra on 04-17-2008

04-21-2008 10:26 AM
by zapata41

4

772

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

Milling 243's

dirt track racer 81 on 04-06-2008

04-06-2008 10:43 PM
by hirdlej

3

953

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 12-24-2007

04-04-2008 11:43 AM
by 20002wdchevy

34

15,183

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 03-12-2008

03-22-2008 04:10 PM
by jakebdb56

29

11,159

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 02-22-2008

03-05-2008 07:54 PM
by cobra95

16

8,700

243's

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1 2 3)

00SILVERADO53 on 01-06-2008

02-25-2008 04:55 PM
by sbw9056

26

2,647