Threads Tagged with 821

2012, 60, 821, cam, comp, flat, head, heads, l92, lift, ls2, ls3, max, pistons, top

6.0L flat pistons with LS3 heads?

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flynlow3 on 05-10-2012

03-18-2018 12:19 AM
by sixty9fordkiller

22

33,403

14, 364, 821, 92, camaro, casting, cyl, engine, heads, l92, ls, ls3, ls9, lsa, mile, time

L92, LS3, LSA and LS9 low mile cyl heads

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See5 on 09-22-2010

12-12-2014 07:34 PM
by RONIN LSX

321

50,299

New LS1 Owners - Newbie Tech

60, 821, cam, carb, checking, choice, cost, cylinder, heads, ly6, pressure

intake/carb choice & size? Ly6 with cnc'd 821's.

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boundbyz on 04-02-2014

04-08-2014 05:36 PM
by Prorac1

21

3,611

Carbureted LSX Forum

216, 239247, 624624, 821, build, cam, chevy, compcam, custom, grind, heads, intake, lq4, ls3, mileage, pat, speced

Built LQ4 power/mpg

mcmuscle3 on 02-22-2014

02-22-2014 09:27 PM
by garygnu

1

1,494

18, 418, 500, 821, buggy, chassis, fbody, heads, lq4, ls1tech, ls3, mi, ported, project, stroker, tennessee, times

Recipe for 500+ FT LBS???

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1 2)

StreetGliderX on 12-16-2013

02-17-2014 03:54 PM
by 99peweterls1

33

10,291

Dynamometer Results & Comparisons

0, 0280, 0280158, 0280158821, 158, 210lb, 280, 821, bosch, e85, fic, fuel, hp, injectors, ls

FIC2000 210lb/hr Bosch injectors 0 280 158 821 Brand New. Price lowered!

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Joe6pt0 on 10-19-2013

11-13-2013 01:43 PM
by Joe6pt0

24

6,635

821, bottom, cam, camaro, comp, end, f1x, fell, gen, heads, iii, lq4, ls1tech, stock, tonight

Stock Bottom End record fell tonight!!!!!

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Carter01 on 05-31-2013

06-25-2013 08:23 PM
by Blackpanther99

110

16,286

Nitrous Oxide

53, 821, aftermarket, cammed, daily, driven, forum, forums, gears, head, heads, headscam, lq4, ls1tech, notched

first time out lq4 5.3 heads cam 6speed

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83ripper on 11-21-2012

06-17-2013 10:23 PM
by 83ripper

93

11,236

Conversions & Swaps

821, adders, castings, cheap, cnc, heads, ls3, ported, power, sdpc

LS3 CNC Ported Heads SDPC 821 Castings NEW

Jablowme on 10-02-2012

10-21-2012 01:25 PM
by Jablowme

19

3,525

LS3 821 Casting Heads, COMPLETE w/Rockers

tex1978 on 09-10-2012

09-10-2012 10:35 AM
by tex1978

0

430

821, acc, accesories, block, end, heads, intake, lq4, ls3, motor, move, putting, top, topend, truck

Lq4 with ls3 top end

Bigchevymontecarloss on 08-11-2012

08-11-2012 05:49 PM
by Bigchevymontecarloss

3

1,800

Conversions & Swaps

821, casting, castings, gm, head, heads, l92, lq4, ls, sale

l92 style head 821 casting

mrclean200518 on 04-13-2012

06-16-2012 11:20 AM
by Na306StAnG

11

1,451

0821, 2004, 821, 823, casting, castings, dates, difference, gm, head, heads, l92, ls3, ls6, number, vs

0821 head castings?

StrokerLS1 on 04-09-2009

06-04-2012 05:01 PM
by litle88

17

74,729

Generation III Internal Engine

2004, 450rwhp, 821, block, head, heads, lifters, lq4, ls3, patrick, run

2004 lq4 what else??

weircc on 05-29-2012

05-31-2012 02:22 AM
by Paul57

3

960

821, blowthrough, brpv, carb, end, falls, front, heads, launch, lifts, ls1, ls3, right, running, spec, tech

big disapointment

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jgillen91 on 04-04-2012

04-20-2012 03:10 PM
by toxic99

36

4,219

Carbureted LSX Forum

125, 12cc, 243, 248256, 60, 821, cam, combo, dome, head, hp, lq4, lsxr, piston, wiseco

HP guestimates of new combo

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Kwikcad500 on 03-01-2011

04-10-2012 09:10 AM
by Prorac1

67

10,520

Carbureted LSX Forum

821, 823, cars, casting, castings, gm, head, heads, l92, ls1, ls3, s, specifications, specs, stock

L92 casting #823?

streetknight2 on 11-21-2011

11-24-2011 06:46 PM
by cam

2

3,886

821, 823, block, blocks, camaro, denali, engine, heads, l92, long, ls2, ls3, sale, short, shortblock

LS3 short block

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4doortypels on 11-02-2011

11-21-2011 10:31 PM
by 4doortypels

21

10,777

62, 821, 823, casting, cylinder, heads, ls3

wanted 6.2 or ls3 any casting 821 823 cylinder head only 1 needed used l92

t racing on 11-04-2011

11-04-2011 02:37 PM
by t racing

0

760

Parts Wanted

821, buy, code, engine, heads, ls, ls1tech, ls3, vin

New LS3 821 Heads

Ari G on 10-26-2011

10-26-2011 12:10 PM
by Ari G

0

1,104

821, bare, chevy, heads, ls, ls3, sale, vette

FS: Vette LS3 821 Heads with rockers

jakebdb56 on 08-17-2011

09-30-2011 03:12 PM
by Tootall

9

1,581

402, 5364, 821, 823, casting, castings, cylinder, gm, head, heads, l92, ls3, material, number, numbers, search

LS3 or L92....how do I tell?

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fast377 on 07-12-2008

09-27-2011 08:30 PM
by 97badass

43

72,736

12629036, 12629063, 821, casting, cylinder, fs, gm, gmpp, head, heads, ls3

FS: LS3 Heads Brand New In Box

mrtywalsh on 08-15-2011

09-14-2011 03:47 PM
by roach4047

6

1,305

243, 821, firebird, heads, ls3, pontiac, springs

LS3 and 243 heads

ccajun4real on 07-14-2011

08-19-2011 12:09 PM
by ccajun4real

14

1,791

821 castings bolt on to 98 LS1 ??

Bowtiedford on 07-28-2011

07-28-2011 05:07 PM
by Bowtiedford

0

479

821, cc, chamber, chambers, combustion, compressor, engine, head, heads, ls1, ls3, size, spring, tech, valve

ls3 821 head question

blackbullet#1 on 07-20-2011

07-20-2011 09:39 PM
by usmcz28

1

1,614

Generation III Internal Engine

1000, 821, build, compression, e85, fit, gas, gm, head, heads, high, holley, hp, ls, ls3, pump, setup, studs

My high compression 364/LS3 heads build

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Kwikcad500 on 05-02-2011

06-06-2011 09:56 AM
by Kwikcad500

39

22,028

226cc, 231239, 243, 243s, 821, ai, cam, compared, heads, ls1, milled

upgrade 243s

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zacht on 05-19-2011

06-04-2011 02:59 PM
by quiet_storm98

25

2,474

Generation III Internal Engine

821, 823, block, cons, head, heads, l92, ls2, ls3, ls3l92, number, pn, procharger, pros, putting

LS3 L92 Block and Head numbers and pro's and cons of each

Jablowme on 06-03-2011

06-03-2011 05:35 PM
by Jablowme

4

2,634

5364, 821, bore, car, cover, cylinder, engine, head, heads, identify, ls, ls3, minimum, motors, vehicles

LS3 engine\car HELP please

nicentech on 05-19-2011

05-23-2011 02:59 PM
by 1lejohn

7

5,573

821, 823, bare, casting, difference, differences, hea, head, heads, l92, ls3, number, part, port, valve

l92/ls3 head differences..

ls-won-84c10 on 02-21-2011

03-18-2011 02:49 PM
by futureuser

15

22,754

2010, 3ls, 821, buy, camaro, casting, cc, cylinder, head, heads, ls, ls3, ls9, number, part

2010 camaro ls-3 head casting...

Y2KZX12R on 03-06-2011

03-08-2011 06:04 AM
by Y2KZX12R

3

3,271

5364, 60, 821, 823, casting, chamber, chevy, combustion, deffernce, diffetences, gm, heads, l92, ls1tech, spring

L92 Casting #'s - what's the diff?

cdig on 01-19-2011

01-20-2011 09:23 PM
by tsnow678

5

18,929

Conversions & Swaps

821, bare, forsale, head, heads, ls3, number, part, sale

Bare LS3 heads

Bad Chad on 01-05-2011

01-06-2011 04:25 PM
by Bad Chad

1

807

821, casting, head, heads, ls, ls1tech, mast, number, splayed, valve

Thinking of buying these heads. How does the port work look?

06blackGTO on 01-04-2011

01-05-2011 03:00 PM
by 06blackGTO

14

1,258

looking for 821 casting ls3 heads

ls3s10 on 12-21-2010

12-21-2010 01:54 PM
by ls3s10

0

284

Parts Wanted

821 ls3 heads

ls3s10 on 11-26-2010

11-26-2010 09:49 AM
by 94 guy

1

391

Parts Wanted

10, 1041, 243, 821, comp, compresion, compression, engine, head, heads, ls2, ls3, ported, ratio, ration, ratios, stock, vs

LS2-LS3 compression ratio

Mike Cordero on 11-10-2010

11-20-2010 08:57 PM
by redsap05

4

21,031

821, flow, gains, hc, head, heads, ls3, nc, numbers, package, polishing, ported, porting, power, stock

LS3 head Flow Stock, to ported

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Jenson on 08-22-2010

09-24-2010 08:31 AM
by Jenson

22

32,604

821, ca, california, day, downey, dyno, greg, gregracersedgetuningnet, gregret, ls1tech, name, phlox, ret, screen, st

RET Dyno Day 8/21/10

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Greg@RET on 08-13-2010

08-23-2010 03:06 PM
by Greg@RET

32

2,430

Western Members

821, accessories, chevy, corvette, edelbrock, excessories, heads, install, intake, ls3, spacing, truck

LS3 with truck intake and accessories

nycblazer on 12-19-2009

12-19-2009 04:54 PM
by Jimbo1367

1

1,173

821, 823, forsale, gm, head, heads, ls1, ls1tech, ls3, rockers, sale, see5, sell, stock, texas

LS3 heads for sale

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See5 on 10-11-2009

11-25-2009 06:55 AM
by See5

25

8,973

LSX Parts For Sale

07, 821, aftermarket, casting, corvette, cylinder, exhaust, filled, head, heads, l92, ls, ls3, sale, sodium, valve

F/S LS3 Corvette heads 821 casting complete

108dragon on 07-24-2009

07-31-2009 12:45 AM
by denali_on_26's

9

1,908

LSX Parts For Sale

60, 821, block, casting, corvette, engine, gm, head, l92, location, ls1, ls2, ls3, ls6, number, numbers

Urgent Help [Block casting numbers]

Pete walsh on 06-19-2009

06-23-2009 11:19 AM
by HSV-GTS-300

5

47,267

0821, 821, 823, casting, castings, cc, gm, heads, hemi, l92, ls1tech, ls3, lsx, milling, number

L92 heads, Which Casting # is better?

STEEPSS on 05-20-2009

05-26-2009 02:28 PM
by the_merv

7

24,039

821, asa, cam, gm, heads, ls1, ls3, recommendations, specs, spring, springs, stock, stroker, valve, valves

Can LS3/821 heads handle this cam?

g6t6o on 03-13-2009

03-18-2009 09:18 AM
by 108dragon

9

4,069

821, airflow, casting, engine, flow, head, heads, l92, ls1tech, ls3, number, rate, total

head question

Kguy on 03-03-2009

03-06-2009 02:36 PM
by 108dragon

12

540

5264, 821, casting, cylinder, gm, head, ls1, ls3, numbers

head casting numbers

1320 killer on 01-19-2009

01-19-2009 10:10 PM
by 1320 killer

2

5,097

0821, 0821heads, 5364, 821, casting, data, flow, gm, head, heads, identifying, l92, ls1tech, ls2, ls3, ls3l92

Need help identifying 0821 heads

QUEST4-10S on 08-04-2008

10-06-2008 01:53 PM
by GRFMotorsports

1

8,754