Threads Tagged with 862

317, 53, 706, 862, gm, heads, heads042, mill, milled, milling, set, specs

How much are you guys milling your 706 heads? More than 0.030

JeRM82 on 02-07-2014

07-24-2020 07:23 PM
by Joe Dishman

8

30,641

243799, 317, 53, 799, 862, cam, flow, head, heads, lm7, nos, numbers, prc, radix, stock

best heads for boosted 5.3

(

1 2 3)

SLO TRUCK on 10-20-2009

04-17-2020 04:24 AM
by Marlinbrando

22

79,265

48, 485360, 53, 53l, 862, blocks, casting, gm, heads, id, manufactures, number, pictures, pistons, v8

4.8 to 5.3

(

1 2 3)

white1 on 07-15-2010

04-27-2019 04:26 PM
by Madspeed16

28

30,686

12561706, 200, 53, 706, 706s, 862, chevy, engine, gm, heads, install, intake, interchange, l59, lm7, valve

862 vs. 706 heads

(

1 2 3)

old motorhead on 02-02-2009

06-19-2017 04:15 PM
by John Gravelle

21

337,985

862, blown, coolant, gaskets, head, headgasket, heads, leak, ngk, notched, plug, plugs, set, spark, w

boosted head gasket and spark plug question

(

1 2)

bighoss77 on 05-31-2012

03-26-2016 12:04 PM
by jorgeesalinas7

11

3,336

2, 243, 862, chart, flow, gain, heads, hiw, hp, la, lm7, performance, polished, ported, rpm, trucks, valves, woth

does anyone have 243 vs 862 charts?

bluebommer07 on 04-13-2012

03-17-2015 11:11 PM
by AKlowriderZ71

4

10,209

Looking for some feedback on fixing my 5.3 (castech...)

(

1 2)

SpeedyG72t on 03-06-2014

06-19-2014 09:44 PM
by SpeedyG72t

16

8,726

035, 241, 60, 706, 799, 862, cc, compression, cut, head, heads, ls, ls1, ratio, size

The Difference Between All The LS Heads...

(

1 2)

LS1FREEK on 06-15-2009

04-23-2014 10:22 PM
by jiar577

11

248,875

112, 862, boost, cam, gt23, leak, mp, mp112

m112 no boost after cam heads swap

(

1 2)

western okie on 03-26-2014

04-05-2014 12:14 AM
by gamble686

10

3,161

1218, 2008, 48, 862, chevy, head, pac, springs

862 Stock Truck heads w/ 1218 pac springs

(

1 2)

SSlow 4.8 on 03-20-2010

03-29-2014 09:50 PM
by Bill Reid

17

6,244

12567392, 12567393, 53, 53l, 862, block, cast, casting, chevrolet, chevy, engine, gm, heads, ls1, number

4.8L/5.3L Block Casting Questions ???

1FastBrick on 06-16-2008

12-19-2013 07:39 PM
by 1FastBrick

2

30,107

862 heads on Lq4???

69Camaro427 on 11-05-2013

11-26-2013 02:44 PM
by spent21

9

6,252

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

5,549

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

19,979

2006, 58cc, 862, cathesral, compression, cylinder, gm, good, head, heads, lm7, polish, port, power, ratio

beneficial intake/head setup on lm7

(

1 2 3)

marineusmc4 on 09-26-2013

10-03-2013 09:52 PM
by batboy

20

13,668

53l, 862, block, casting, engin, head, heads, stamp

862 stamped on head

Z71FarmTag on 08-03-2013

08-05-2013 08:42 AM
by marineusmc4

3

4,885

2005, 862, change, silverado, springs, valve, valvesprings

change valve springs?

greasemykey on 08-04-2013

08-04-2013 07:35 PM
by greasemykey

6

1,416

317, 862, cutaway, diy, gm, head, heads, kit, ls1, pics, polish, port, porting, ramp, swirl, tools

DIY Head porting

(

1 2 3)

iregret on 07-13-2013

07-21-2013 12:14 PM
by Mikey 97Z M6

22

27,299

CNC ported 862 heads

ls6musclehead on 06-30-2013

07-06-2013 01:29 PM
by ls6musclehead

4

1,777

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

2,393

11, 111, 53, 53l, 862, compression, head, heads, lm4, lm7, max, maximun, mill, milled, porting

Maximum milling on LM4/LM7 862 Heads

robstah on 05-06-2013

05-11-2013 11:18 PM
by low2001gmc

3

6,054

317, 862, build, building, camshaft, end, heads, low, lq4, ls, monster, motor, pushrod, thread, torque, truck, vrx4

I want to build an LS Torque Monster. Please Help.

(

1 2 3)

LS Desert Ranger on 04-13-2013

04-18-2013 09:23 AM
by Vortec350ss

22

86,539

Milled 862 heads

gmcyukon on 04-03-2013

04-12-2013 03:33 AM
by gmcyukon

7

4,848

862, 862s, advance, dynamics, heads, milled, ported, racing

Ported/milled 862s

youngbuck on 01-15-2013

01-19-2013 09:57 AM
by youngbuck

7

1,325

25, 53, 78, 862, combo, comp, factory, fans, headers, heads, lq9, ported, pro, torque, tsp

Lq9 with tsp 2.5 61.15cc 862's

(

1 2)

whitedakota on 12-07-2012

01-08-2013 07:51 PM
by skeet

10

9,225

2, 53, 862, cc, heads, intake, job, junkyard, ls, ls1, manufactured, valve, valves

question bout 862 heads

06murder on 01-01-2013

01-06-2013 11:13 AM
by 06murder

5

1,750

Tuning, Diagnostics, Electronics, and Wiring

03, 109, 19, 53, 53l, 862, 93, advance, compression, degrees, heads, hp, hptuners, lowest, milled, octane, ratio, timing, tuners, vs

Expert tuners advice on timing advance vs octane/compression

Camin00 on 12-18-2012

12-19-2012 01:25 AM
by kelsey_canard

2

1,120

53, 53l, 862, 862s, airflow, biggest, diy, exhaust, gains, heads, hp, ported, porting, put, valves

Thinking about porting a set of 862s Input Please!!!

(

1 2 3)

Camin00 on 12-06-2012

12-10-2012 06:52 PM
by Fastcount03

20

5,480

862, casting, heads, milling, notch, remove

Bumping up Compression Questions???

Camin00 on 12-08-2012

12-09-2012 12:13 PM
by Camin00

4

1,548

25, 53, 862, cam, casting, corvette, gains, gmc, heads, lift, ls1, max, nirtous, servo, tsp, vette, worth

tsp 2.5 5.3 heads worth $500?

(

1 2)

whitedakota on 08-14-2012

11-19-2012 08:55 PM
by whitedakota

19

5,011

18, 53l, 862, cam, check, heads, length, ls1, ls1tech, ls7, milled, motor, pushrod, replacement, stock, yt, z06

What pushrods lenght are you running with Ls7 lifters?

(

1 2)

Camin00 on 10-30-2012

11-05-2012 12:20 PM
by Beau@SDPC

13

16,353

030, 12498544, 2000, 53, 862, gmc, heads, jimmy, ls, ls1, milling, push, pushrods, put, rods, short

Swapped in a 5.3, 862 Heads question...

(

1 2)

farshot83 on 05-18-2012

09-25-2012 05:31 PM
by Sales3@Texas-Speed

11

13,137

2006, 243, 53, 53l, 706, 862, boost, cam, cracked, heads, ls1, milled, silverado, stock, vehicles

706 Heads with Boost?

Ferocity02 on 09-07-2012

09-08-2012 12:32 AM
by AKlowriderZ71

5

14,273

202, 53, 862, bigger, bore, cylinder, flow, heads, increase, install, stock, top, valve, valves, wwwtopvalvesnet

valve/cylinder interference 5.3 question

cudaeh on 08-13-2012

08-21-2012 12:33 PM
by spent21

6

4,872

Bare 862 heads 2000 5.3l 1500 ecu

cudaeh on 08-13-2012

08-13-2012 09:30 PM
by cudaeh

3

480

WTB (Wanted To Buy)

48, 862, gain, general, head, heads, horsepower, lift, mill, mills, powered, recall, type, vbulletin, work

Most you can mill 862 heads on 4.8 ?

03WhiteRCLB on 07-24-2012

07-26-2012 03:16 PM
by grey matter 04

7

10,210

862, chevy, head, heads, hp, max, stock, upgrades

5.3 with 01vette cam and which heads?

drewxjn on 06-11-2012

06-21-2012 05:13 PM
by drewxjn

5

1,802

2009, 48, 53l, 862, cam, heads, install, lq4, ls9, milled, oil, silverado, sounds, supercharger, v6, vortech

Vortech s/c

adrian_14nk on 06-07-2012

06-10-2012 08:17 PM
by adrian_14nk

5

2,285

05, 220r, 53, 862, affected, cam, castech, casting, heads, lifters, number, replacing, sierra, speed, texas, tuning

Head Replacement / UPgrades '04 5.3

(

1 2 3)

barthautala on 04-11-2012

05-29-2012 02:24 PM
by BigV8

24

6,193

2500, 53, 862, 99, adding, chevy, compression, fuel, head, heads, increases, lq4, mileage, octane, stock

862 heads on a LQ4 for GAS mileage...

SamuelsonMotorsports on 05-26-2012

05-28-2012 04:05 AM
by rjwz28

5

11,408

GMT 800 & Older GM General Discussion

53, 862, biggest, cam, engine, forum, glock, heads, ported, purple, roma, royal, run, texas, turbo

Glock 5.3 runs 10.15@132

(

1 2)

Llaverito on 05-24-2012

05-25-2012 11:49 AM
by Llaverito

19

3,266

Drag Racing

862, bolts, es72173, felpro, heads, torque, torquing, yeild

i know better but...

(

1 2)

greasemykey on 05-11-2012

05-14-2012 03:25 PM
by 2doorfury

18

2,364

862, arp, bolts, fs, gasket, gm, head, headgasket, heads, land, ls1, mls, price, speed, stage

FS: 862's, NEW LS1 mls headgaskets, NEW ARP headbolts

2doorfury on 05-01-2012

05-03-2012 06:32 AM
by 2doorfury

9

1,092

FS: 862 heads

2doorfury on 04-29-2012

04-30-2012 09:35 AM
by 2doorfury

3

663

Wtb 5.3 heads

(

1 2)

mcfarlnd on 04-24-2012

04-29-2012 11:28 PM
by mcfarlnd

10

1,098

Western

230, 236, 53, 862, cam, carb, carbd, chevy, comp, e85, heads, intake, ls6, mill, milled, milling

Heads in the shop. To Mill or not to Mill?

RabidStreetRacer on 04-08-2012

04-10-2012 02:18 PM
by RabidStreetRacer

7

4,686

1999, 317, 862, bolt, broke, buy, cylinder, exhaust, head, heads, lm7, mls, read, remove, silverado

Cylinder head help please!

RabidStreetRacer on 04-05-2012

04-09-2012 09:08 AM
by grey matter 04

5

2,544

53, 53l, 57, 862, 99, build, engine, fit, head, headers, heads, performance, problems, silverado, stainless, vortec

Will 5.3L 862 heads fit a 96 vortec 5.7?

cammed00 on 03-27-2012

03-28-2012 08:52 AM
by Team Paulie

9

18,074

GMT 800 & Older GM General Discussion

10108, 2004, 53, 862, ac, castech, casting, chevrolet, chevy, delco, gm, head, problems, sealing, silverado, tablet

First time chevy truck owner

cheetoz on 03-25-2012

03-26-2012 08:32 PM
by 01WS6/tamu

7

2,291

61cc, 862, cam, compression, gm, head, heads, lq4, ratio

862 heads on an LQ4

1duffman on 03-19-2012

03-19-2012 07:08 PM
by 1duffman

0

2,982

GMT 800 & Older GM General Discussion

04, 2004, 53, 862, heads, hooked, key, mods, ported, replace, reset, security, switch, tahoe, trucks

2004 tahoe

6.Slow06 on 02-24-2012

03-01-2012 01:19 AM
by DR132

6

1,384

706, 862, block, end, fit, gm, head, heads, iron, low, lq4, performance, points, power, shift, swap, trucks

Hear me out: 706/862 heads on LQ4

Doc_speeder on 09-09-2011

02-27-2012 10:55 PM
by jmj85

6

20,572

862 Heads for sale

2FNQUIK on 02-23-2012

02-26-2012 02:44 PM
by 2FNQUIK

5

1,571

862, cathedral, dimesion, heads, port, wtb

WTT or WTB: 862 heads

SamuelsonMotorsports on 02-19-2012

02-20-2012 10:26 PM
by GONEB4U

2

2,651

241, 243, 53, 706, 862, california, flat, head, heads, job, performance, pistons, top, valve, valves

5.3 with flat top pistons & 706 heads with valve job

(

1 2 3)

azchevydude on 02-12-2012

02-14-2012 01:34 AM
by MAG1C

21

103,501

862 Heads and LS1 PCM

sunsetorange on 01-25-2012

01-26-2012 07:38 AM
by sunsetorange

1

603

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

243's and boost

(

1 2)

5.3 GMC on 01-13-2012

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

15

32,861

243, 317, 60, 862, boost, cathedral, efi, good, heads, l92, motor, port

what heads for boost.

TheRepairMan on 01-14-2012

01-14-2012 11:05 AM
by 02'Z71ONDUBZ'

2

948

00, 48, 862, chevy, engine, failure, gasket, gaskets, head, heads, leak, leaking, ls1, make, notch

Ls1 head gasket on 862 heads?

(

1 2)

Jake99 on 12-28-2011

01-01-2012 04:30 PM
by 1Bear

12

31,631

FS: 706 heads and 862 heads

454navyss on 11-27-2011

12-28-2011 06:54 PM
by 454navyss

3

1,194

862's or 706's

(

1 2)

tjmath on 12-15-2011

12-20-2011 09:10 AM
by jschrock

16

1,614

25, 53, 706, 862, cfm, cylinder, heads, prc, specs, state, stg

Brand New PRC stg 2.5 5.3L Heads NIB

Hawaiian_Built on 11-01-2011

11-06-2011 03:09 PM
by Hawaiian_Built

4

1,233

2011, 53, 53l, 59cc, 862, cylinder, dickey, flow, good, head, heads, number, performance, scroggin, trick

862 5.3 heads?

DSGBGOON on 10-05-2011

10-19-2011 02:19 PM
by narwalrus

7

10,091

706, 862, bad, castec, casting, castings, chevrolet, chevy, deffective, gm, guides, head, heads, valve, year

FS: 706 casting and 862 castin heads

(

1 2)

LS1Adam84 on 04-27-2011

10-13-2011 03:16 AM
by LS1Adam84

11

2,339

Major problem, please help

Hemi Killer on 09-19-2011

09-21-2011 09:03 PM
by lady3bglover

9

943

317, 408, 53, 57, 72cc, 821, 862, build, cr, heads, jfr, lq4, ls1, ported, turbo

317 heads for turbo

Chevyboss22 on 09-16-2011

09-16-2011 03:07 PM
by Mangled03gmc

9

1,608

040, 241, 241s, 48, 53, 862, bigger, hand, heads, miled, milled, milling, ported, swap, valves

241, or 862

white1 on 07-15-2010

08-14-2011 06:56 PM
by Suburbazine

6

5,081

243, 317, 53, 799, 862, boost, casting, factory, head, headed, heads, motor, performance, truck, turbo

best factory head casting for a turbo 5.3?

baggins on 04-21-2011

08-12-2011 08:42 PM
by slowlsx

5

15,583

2000, 53, 862, cars, lm4, lm7, motor, mustag, mustang, swap, swapped

planning 5.3 swap

Jasperstang308 on 08-10-2011

08-10-2011 08:39 PM
by 06murder

1

963

1500, 862, 862heads, chamber, chevy, combustion, corvette, flow, head, heads, lol, modifications, pictures, ported, porting, silverado

862 heads from start to finish... almost lol

anheuserbusch08 on 07-22-2011

07-23-2011 10:34 AM
by anheuserbusch08

3

3,578

PROJECTS GALLERY

8.5 / 8.62 10 bolt cover girdle BNIB

xx_ED_xx on 07-19-2011

07-19-2011 07:36 PM
by low2001gmc

7

610

Not your regular head swap question

jiar577 on 07-12-2011

07-15-2011 03:09 PM
by Fastcount03

5

1,222

243, 25, 862, craigslist, heads, ported, prc

Ported 862 Castings Gone! On to PRC 2.5 243 Castings...:)

Bigschwerm on 07-04-2011

07-04-2011 01:38 PM
by TGriz

2

2,492

53, 806s, 862, 862s, asa, cam, gm, heads, hp, ls1, perdormance, performance, rebuilt, trucks, tuners, worked

worked 862's... ASA cam... TB verter

(

1 2 3)

fastgmc53 on 04-05-2011

06-18-2011 09:47 AM
by bmd_CL

22

3,229