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 Nov 11, 2004

Oct 17, 2019 06:35 AM
by Freddy Bechtol

297

195,079

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

180 Degree Headers

slick1851 on Nov 28, 2007

Nov 23, 2018 06:39 PM
by G Atsma

18

28,351

Advanced Engineering Tech

LS temp gauge setup, 4 BW alum dp flange

69-chvl on Sep 13, 2013

Mar 4, 2015 07:00 PM
by 69-chvl

18

1,414

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 Jun 10, 2014

Jun 12, 2014 11:59 AM
by redtan

20

9,040

Complete New Dart 421 SBC Dart heads Callies .Oliver

LS1&95S10 on Apr 12, 2014

Apr 16, 2014 01:41 AM
by bigfatls6

2

2,483

Project mini "Full Pull"

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THADD on Oct 8, 2013

Apr 5, 2014 08:30 PM
by Sales@Tick

56

5,953

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 Nov 19, 2013

Nov 21, 2013 05:36 PM
by Dirty Vegas

34

28,037

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 Sep 22, 2013

Nov 7, 2013 10:33 PM
by 3pedals

65

14,241

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 Apr 10, 2013

Sep 10, 2013 11:36 AM
by DrTurbo

34

8,586

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 Aug 14, 2007

Jun 5, 2013 06:23 PM
by bad95killer

112

29,311

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 Apr 28, 2013

May 15, 2013 01:31 PM
by weldermike27408

21

8,099

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 Mar 16, 2013

Mar 16, 2013 09:17 AM
by TheLS1Lover

2

2,238

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

421 stroker?

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FormulaV8A4 on May 26, 2005

Feb 15, 2013 11:30 AM
by bufmatmuslepants

47

11,612

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 Nov 7, 2012

Dec 7, 2012 08:47 PM
by Bama99z

74

12,696

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

Callies Compstar H Beam Rods - Used

CouJoe56 on Nov 27, 2012

Nov 30, 2012 09:52 PM
by CouJoe56

16

1,404

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

New project-twin turbos

sc5952 on Aug 16, 2012

Aug 28, 2012 10:12 AM
by sc5952

14

2,113

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 Feb 26, 2012

Aug 2, 2012 09:06 AM
by pwrtrip75

4

2,077

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

FS:2000 c5 vette 421 stroker ls

aksz71 on Jul 14, 2012

Jul 24, 2012 08:40 PM
by aksz71

7

2,557

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 Jul 10, 2012

Jul 16, 2012 12:16 PM
by Rise of the Phoenix

26

7,256

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

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

Ping King on Jun 23, 2012

Jul 15, 2012 05:50 PM
by xRelapse13

8

1,133

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

Tread Depot's Deals

Tread Depot on May 11, 2012

May 21, 2012 04:20 PM
by Tread Depot

3

1,173

Sponsor Sales & Specials

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

Heads, Manifolds, Bottom End?

slo99ls on Apr 26, 2012

Apr 26, 2012 12:55 PM
by slo99ls

3

834

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

big cube engine

97badass on Apr 7, 2012

Apr 8, 2012 12:54 PM
by 97badass

9

2,035

General LSX Automobile Discussion

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

lt1 throttle body

z28tommy on Mar 20, 2012

Mar 22, 2012 09:47 PM
by v7guy

2

746

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 Mar 5, 2012

Mar 5, 2012 12:23 PM
by Camaro_94

6

1,150

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 Feb 25, 2012

Mar 1, 2012 07:28 AM
by venom ws7

22

7,561

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

418/421 LQ9 TSP build.

Thule on Feb 26, 2012

Feb 28, 2012 04:33 PM
by Jason 98 TA

9

22,763

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

sold

KS-LS1 on Dec 14, 2011

Jan 26, 2012 12:46 PM
by bedo

19

5,186

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 Jan 8, 2012

Jan 9, 2012 08:41 PM
by wildcamaro

5

9,700

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 Dec 18, 2011

Jan 8, 2012 09:32 AM
by Redfire 03

205

20,910

Multimedia Exchange

racetronix billet fuel pump cover FREE!!!!

blazerls1 on Jan 5, 2012

Jan 7, 2012 10:31 AM
by blazerls1

1

572

Dynamometer Results & Comparisons

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

Dyno Results

ivan c on Dec 10, 2011

Dec 10, 2011 09:03 PM
by ivan c

0

1,080

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 Jul 19, 2011

Nov 30, 2011 10:46 PM
by 01ssreda4

13

11,492

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 Nov 23, 2011

Nov 29, 2011 06:54 PM
by JL ws-6

52

4,486

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 Sep 5, 2011

Sep 15, 2011 04:37 PM
by 02sslayer

38

3,027

Northwest Members

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

The V finally truly impressed me

SSmokd U on Sep 12, 2011

Sep 12, 2011 11:45 PM
by SSmokd U

7

1,029

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

Pushing water through copper HG

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408ant on Aug 8, 2011

Sep 8, 2011 11:34 PM
by FANTAZ28

63

5,396

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 Sep 5, 2011

Sep 8, 2011 04:31 PM
by Firehawk441

22

11,463

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 May 23, 2005

Sep 7, 2011 08:47 PM
by NASCARneil

174

33,089

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 Jul 21, 2011

Sep 1, 2011 06:24 PM
by Big Al

10

20,097

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

Tsp 421

6th gear on Aug 8, 2011

Aug 17, 2011 10:51 PM
by 01ssreda4

7

1,836

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 Jun 10, 2011

Jul 25, 2011 08:03 PM
by yonerhottlt1

16

2,356

Dynamometer Results & Comparisons

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

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

Texas_LS1 on Jul 18, 2011

Jul 18, 2011 09:55 PM
by LPE 403

5

1,401

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 Jul 11, 2011

Jul 14, 2011 07:08 PM
by Jimbo1367

13

3,386

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

what about boring?

bugy on Jun 15, 2011

Jun 16, 2011 10:49 PM
by Randy WS6

11

3,740