Threads Tagged with 421

Small Block & Big Block Chevy Specific

421, 454, bbc, buildup, domed, dyno, efi, exhaust, pipe, pistons, results, sbc, size, turbo, zz502

Please list your SBC/BBC Project here!

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Nine Ball on 11-11-2004

10-17-2019 06:35 AM
by Freddy Bechtol

297

186,686

180, 421, circle, degree, equal, firing, headers, length, ls1, mod, motor, order, sbc, track, v8

180 Degree Headers

slick1851 on 11-28-2007

11-23-2018 06:39 PM
by G Atsma

18

25,784

Advanced Engineering Tech

LS temp gauge setup, 4 BW alum dp flange

69-chvl on 09-13-2013

03-04-2015 07:00 PM
by 69-chvl

18

1,309

25, 421, 53, 823, brian, cam, heads, lq9, ls3, prc, sale, stroked, stroker, tooley, work

421 stroker prc 2.5 5.3 heads vs stock Ls3 heads?

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spikestang on 06-10-2014

06-12-2014 11:59 AM
by redtan

20

8,009

Complete New Dart 421 SBC Dart heads Callies .Oliver

LS1&95S10 on 04-12-2014

04-16-2014 01:41 AM
by bigfatls6

2

2,291

Project mini "Full Pull"

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THADD on 10-08-2013

04-05-2014 08:30 PM
by Sales@Tick

56

5,245

Carbureted LSX Forum

421, 550, 600, bottom, builds, curve, end, hp, ls2, mamo, mods, na, power, sbc, stock, stroker, tony

Pushing 550+ rwhp out of ls2 n/a.. feasible?

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Tiger Stripes on 11-19-2013

11-21-2013 05:36 PM
by Dirty Vegas

34

24,794

421, built, chevy, good, head, heads, lq4, lq9, ls3, ly6, make, motor, pistons, power, sale

LS3 heads or not???

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87caprice318 on 09-22-2013

11-07-2013 10:33 PM
by 3pedals

65

13,137

Carbureted LSX Forum

144, 421, 490s, 4th, billet, body, cast, dyno, gen, ls1, ls1tech, mustang, pt88, s480, turbo, videos, wheel

Billet S480 track results... Round 2. We cracked the 4.90's.

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LilJohn on 04-10-2013

09-10-2013 11:36 AM
by DrTurbo

34

8,137

Dynamometer Results & Comparisons

1997, 421, 96z28, black, blue, camaro, camaros, exhaust, jobs, lt1, paint, pictures, sbc, shaved, ss

Lets see some of those mean LT1 Camaros *DON'T QUOTE PICS!!!

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MadMike 97 Z28 on 08-14-2007

06-05-2013 06:23 PM
by bad95killer

112

28,129

Multimedia Exchange

247cc, 421, 421ci, boost, dyno, engine, giant, handle, heads, lq9, ls1, patrick, sd, sheet, tsp, tune

TSP's 421ci 6.9 LQ9. Patrick G tuned 547whp 527wtq...

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ZetaVeinteOcho on 04-28-2013

05-15-2013 01:31 PM
by weldermike27408

21

7,565

408, 421, block, drag, dyno, engines, fit, racing, sbc, short, speed, texas, texasspeedandperformance, tsp, turbo

Texas speed and performance 408 or 421 turbo

Bay2mich on 03-16-2013

03-16-2013 09:17 AM
by TheLS1Lover

2

2,059

383, 388, 421, 421ci, build, camaro, combo, kits, lt1, lunati, make, overheating, s10, sbc, stroker

421 stroker?

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FormulaV8A4 on 05-26-2005

02-15-2013 11:30 AM
by bufmatmuslepants

47

10,255

LT1-LT4 Modifications

421, colorado, fit, lq9, ls, lsx, motor, oil, pan, s10, stroker, trays, tsp, windage, year

New TSP 421 LQ9 install: Now #1 cylinder connecting rod bolt is hitting the oil pan

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ZetaVeinteOcho on 11-07-2012

12-07-2012 08:47 PM
by Bama99z

74

11,710

421, assembly, callies, cheapest, compstar, hbeams, rotating, sells

Callies Compstar H Beam Rods - Used

CouJoe56 on 11-27-2012

11-30-2012 09:52 PM
by CouJoe56

16

1,317

1972, 421, 455, build, cars, cid, engines, gm, ls1, ls2, motor, pickup, sbc, stock, tech, turbo, turbos, twin

New project-twin turbos

sc5952 on 08-16-2012

08-28-2012 10:12 AM
by sc5952

14

1,988

120, 421, assembly, assy, injectors, ls, ls1tech, lsx, lsx421, lt1, ohio, rotating, sale, shortblock, turbo

LSx 421 Rotating assembly, Blower cam, 120# injectors

pwrtrip75 on 02-26-2012

08-02-2012 09:06 AM
by pwrtrip75

4

1,995

2000, 3153018, 421, c5, corvette, drag, green, ls, pictures, racing, radial, reveiws, reviews, stroker, z06

FS:2000 c5 vette 421 stroker ls

aksz71 on 07-14-2012

07-24-2012 08:40 PM
by aksz71

7

2,488

Vehicle Classifieds

421, 60, block, build, e85, heads, l92, longer, lsx, pull, pulling, small, speed, stroke, texas, truck

421 pulling truck build

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ratgun on 07-10-2012

07-16-2012 12:16 PM
by Rise of the Phoenix

26

6,990

421, edelbrock, headers, ls1, ls1tech, lt1, number, part, stepped

Stepped 4-2-1 Edelbrock Headers w. Catted Y Pipe

Ping King on 06-23-2012

07-15-2012 05:50 PM
by xRelapse13

8

1,038

421, 8473, 888, tires, treaddepot, treadepot, wwwtreaddepot, wwwtreaddepotcom

Tread Depot's Deals

Tread Depot on 05-11-2012

05-21-2012 04:20 PM
by Tread Depot

3

1,085

Sponsor Sales & Specials

1990, 421, bottom, chevy, end, fi, heads, ls1tech, lsx, stock

Heads, Manifolds, Bottom End?

slo99ls on 04-26-2012

04-26-2012 12:55 PM
by slo99ls

3

753

418, 421, 454, 60, 95, big, block, cube, cubes, fill, iron, ls1, ls1tech, lsx, motors, schwanke, trans

big cube engine

97badass on 04-07-2012

04-08-2012 12:54 PM
by 97badass

9

1,775

General LSX Automobile Discussion

421, body, bolt, details, holley, intake, location, lt1, lt4, performance, throttle, whats

lt1 throttle body

z28tommy on 03-20-2012

03-22-2012 09:47 PM
by v7guy

2

697

LT1-LT4 Modifications

09, 10, 2011, 421, camaro, camor, car, corvette, craigslist, ls, lsx, mi, silverado, ss, stick, trade, trador, turbo

Guy wants to trade me a 421 Camaro SS with 75 MM Turbo

filmnews on 03-05-2012

03-05-2012 12:23 PM
by Camaro_94

6

1,041

421, 429, cost, engines, good, ls3, machine, review, sdpc, shortblock, shortblocks, speed, texas, texasspeed, tsp

Those with SDPC or TSP shortblocks.....

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JC70SS on 02-25-2012

03-01-2012 07:28 AM
by venom ws7

22

6,851

408, 4125, 421, building, built, consumption, crank, dyno, lq9, ls, ls1tec, ls1tech, ls2, normal, oil, selling, stroker

418/421 LQ9 TSP build.

Thule on 02-26-2012

02-28-2012 04:33 PM
by Jason 98 TA

9

21,253

1994, 421, block, builds, cam, chevy, craigslist, dyno, engine, hp, sale, small, stroker, supra, swap, v8

sold

KS-LS1 on 12-14-2011

01-26-2012 12:46 PM
by bedo

19

4,997

Vehicle Classifieds

4125, 421, build, building, engines, kit, lq4, ls, make, motor, reliable, stroke, stroker, turbo, twin

Thinking about a 421" LQ4 Build.....

DMM on 01-08-2012

01-09-2012 08:41 PM
by wildcamaro

5

8,301

1994, 1uz, 421, build, conversion, dear, diary, ls1, ls1tech, op, roller, sbc, stroker, supra, today, upra

94 Supra with 421 stroker smallblock swap

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KS-LS1 on 12-18-2011

01-08-2012 09:32 AM
by Redfire 03

205

19,406

Multimedia Exchange

racetronix billet fuel pump cover FREE!!!!

blazerls1 on 01-05-2012

01-07-2012 10:31 AM
by blazerls1

1

509

Dynamometer Results & Comparisons

421, combo, dart, dyno, heads, lq9, ls1, mile, pro, quarter, results, stroker, supercharge, times, trans

Dyno Results

ivan c on 12-10-2011

12-10-2011 09:03 PM
by ivan c

0

1,028

400, 421, assembly, block, bore, buy, cheaper, ci, diameter, inch, install, lq4, ls1, machine, rotating, shop, size, stroke

LQ4/9 - 4.125 Stroke 4.060 Bore - Opinions

drenner43 on 07-19-2011

11-30-2011 10:46 PM
by 01ssreda4

13

10,061

Cadillac CTS-V 2004-2007 (Gen I)

150, 18, 18th, 28, 421, camaro, gear, inch, mile, pickup, shot, tall, tire, trans, wheelie

My car will not mile a hour little help here

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deangoodin on 11-23-2011

11-29-2011 06:54 PM
by JL ws-6

52

3,807

Drag Racing Tech

1995, 2002, 421, 421cid, camaro, ls1, ls1tech, recipe, speed, ss, stroker, texas, turbo, z28

421CID stroker from texas speed

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02sslayer on 09-05-2011

09-15-2011 04:37 PM
by 02sslayer

38

2,756

Northwest Members

2011, 421, camera, shady, speed, speeding, tickets, valley

The V finally truly impressed me

SSmokd U on 09-12-2011

09-12-2011 11:45 PM
by SSmokd U

7

888

421, air, car, fuel, pushing, ratio, sbc, turbo, water

Pushing water through copper HG

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408ant on 08-08-2011

09-08-2011 11:34 PM
by FANTAZ28

63

4,641

421, 442lsstroker, block, g8, hendrixdss, horsepower, hp, ls1, lsx, rating, sale, short, speed, stroker, texas

421CID stroker from texas speed

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02sslayer on 09-05-2011

09-08-2011 04:31 PM
by Firehawk441

22

10,600

Small Block & Big Block Chevy Specific

1995, 236240, 2400, 355, 421, automatic, camaro, chip, cons, le, ls1, lt1, manual, performance, rwhp, sbc, stall

Manual or Automatic

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kyle91z28 on 05-23-2005

09-07-2011 08:47 PM
by NASCARneil

174

31,702

LT1-LT4 Modifications

383, 400, 406, 421, 434, 500hp, block, chevy, engine, lq9, or421, small, street, stroker, whats

406 stroker vs 421 stroker

dkcoleman01 on 07-21-2011

09-01-2011 06:24 PM
by Big Al

10

18,461

421, 6th, boost, bore, built, ci, dyno, gear, horsepower, ls1tech, lsx, results, size, speed, texas, tsp

Tsp 421

6th gear on 08-08-2011

08-17-2011 10:51 PM
by 01ssreda4

7

1,758

Generation III External Engine

102, 402, 421, fast, ford, injectors, intake, kit, ls1tech, ls2, motorsport, motorsports, motorsportsscrrcom, raleigh, rpm, stroker

RPM Motorsports--H/C/I A4 472 rwhp/421 rwtq !!!

ryan@rpm on 06-10-2011

07-25-2011 08:03 PM
by yonerhottlt1

16

2,308

Dynamometer Results & Comparisons

383ci, 408, 408ci, 421, 421ci, 799, heads, lq9, ls, ls1, ls1tech, lsx, motor, speed, texas

408ci vs 421ci..??????

Texas_LS1 on 07-18-2011

07-18-2011 09:55 PM
by LPE 403

5

1,275

421, cu, engine, heads, horsepower, hp, l92, ls1tech, ls3, lsx, nitrous, numbers, power, stroker, tsp

Input on heads/cam for TSP 421 cu in.

00 Freak on 07-11-2011

07-14-2011 07:08 PM
by Jimbo1367

13

3,102

4125, 421, 60, boring, cylinder, iron, lm4, lm7, lq4, lq9, ls1, sleeve, speed, texas, thickness, wall

what about boring?

bugy on 06-15-2011

06-16-2011 10:49 PM
by Randy WS6

11

3,214