4250 - LS1TECH - Camaro and Firebird Forum Discussion

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2001, 4030, 4250, 434, 60l, bore, crank, engine, ls1, ls2, lsx, measure, put, recommended, stroke

4.030 bore with 4.250 stroke, anyone doing it? Would it work well?

Shawn MacAnanny on Apr 11, 2009

Nov 30, 2020 11:55 AM
by G Atsma

14

3,491

Generation III Internal Engine

4200, 4250, biggest, block, body, bore, clearancing, largest, length, longest, ls1, lsx, skirt, stddeck, stroke

Largest stroke for Standard Deck LSX?

Ethan[ws6] on Oct 16, 2012

Oct 25, 2012 02:20 PM
by -TheBandit-

9

5,389

Generation IV Internal Engine

39, 425, 4250, biggest, callies, crank, crankshaft, deck, eagle, ebay, extension, largest, ls1, lsx, magnum, speed, stroke, texas

ls1 4.250 stroke

(

1 2)

bp944 on Jul 25, 2010

Jul 27, 2012 07:02 AM
by LS6

20

17,227

Generation III Internal Engine

4250, crank, crankshaft, image, k1, ls, reviews, wiseco

(New in Box) Wiseco K1 4.250 Crankshaft

burgers on Jul 13, 2012

Jul 13, 2012 01:06 PM
by burgers

0

986

Parts Classifieds

4250, 434, 454, 60, build, crankshaft, deck, engine, gm, lq4, ls, lunati, pontiac, stroker, tall

LQ4 434 stroker?

patooyee on Mar 18, 2012

Mar 18, 2012 08:21 PM
by patooyee

4

21,954

Generation III Internal Engine

4250, 9400, big, bore, crank, crankshaft, crs6560o3d2000, eagle, end, housing, journal, rod, sbc, width, yt

New Eagle 4.250 Crank and Eagle Rods

burgers on May 27, 2011

May 28, 2011 08:09 AM
by burgers

1

712

Parts Classifieds

Anyone experienced with Kestrel 4250?

wreckwriter on May 13, 2011

May 13, 2011 03:58 PM
by wreckwriter

0

435

Drag Racing Tech

4250, advantage, billet, callies, center, counterweight, counterweighted, counterweighting, crank, crankshaft, crankshafts, ls1, ls7, lsx, stroke, weight

Center Counterweighted Crankshaft

(

1 2)

bap@Callies/Compstar on Jun 2, 2010

Mar 8, 2011 01:05 PM
by racer7088

28

18,503

Generation IV Internal Engine

035, 425, 4250, counterweight, crankshaft, dish, heights, hole, lsx, piston, pistons, rods, sbc, stroke, stroker

Stupid stroker questions - using SBC rods & pistons

iniviate on Feb 18, 2011

Feb 19, 2011 09:03 PM
by technicalninja

2

1,159

Generation III Internal Engine

4250, 57, biggest, block, bore, crank, daily, driver, iron, largest, lq4, ls1, lsx, stroke, stroker

4.250 Stroke Crank in LQ4 Iron block

1Hawk on Oct 8, 2010

Oct 19, 2010 07:35 PM
by 1Hawk

7

6,024

Generation III Internal Engine

4125, 4185, 4195, 4250, block, bore, build, building, cheap, crankshaft, fits, ls1, ls2, lsx, piston, stroke

Looking at building a LSX block with a 4.185 or a 4.20 bore

1fastxz on Aug 26, 2010

Aug 28, 2010 01:55 PM
by 1fastxz

7

4,719

Generation IV Internal Engine

4250, accessories, block, bryant, crank, cranks, crankshaft, deck, dlazearhotmailcom, ls1, lsx, price, sale, sonny, tall

Brand New LSX Tall Deck Block and Sonny Bryant Crank

stripes1987 on May 31, 2010

May 31, 2010 10:53 AM
by stripes1987

0

1,248

Parts Classifieds

4250, assembly, block, bore, cost, custom, engine, lined, lq4, ls2, lsx, motor, rotating, sleave, sleeve, view

Cost to sleeve and LS2 block.

(

1 2)

WKMCD on Dec 23, 2009

Jan 8, 2010 10:40 PM
by sneaks

36

33,459

Generation IV External Engine

4250, block, ls1tech, resleeve, resleeved, stroke

Max stroke/rod lth on resleeved block

dvshk on Jan 4, 2010

Jan 4, 2010 11:42 AM
by dvshk

0

445

Generation III Internal Engine

425, 4250, block, blocks, bore, deck, ls1, lsx, max, problems, rhs, safe, spacer, stroke, wiki

4.25 stroke in LSX block

(

1 2)

mreperf on Oct 20, 2009

Oct 22, 2009 05:32 PM
by mreperf

26

17,554

Generation IV Internal Engine

4250, 454, block, boost, deck, heads, l92, lsx, lsx454, price, short, stroke, thin, trans, wf1, ws6

FI LSX 454 not very common ????

(

1 2)

AZ2ENVY on May 24, 2009

Jun 2, 2009 04:01 PM
by ERL Performance

29

7,699

Generation IV Internal Engine

4.250 stroke

lsanb05 on May 21, 2009

May 25, 2009 11:53 PM
by Tom@SpeedInc

8

1,148

Generation IV Internal Engine

Sleeved LS7 is 4.250 Crank possible?

sheesnaz on Mar 5, 2009

Mar 5, 2009 04:35 PM
by sheesnaz

6

1,769

Generation IV Internal Engine

4250, crank, crankshaft, ls1, machine, rods, stock, stroke, work

Anyone running a 4.250 crank on stock bore ls1?

Shawn MacAnanny on Feb 22, 2009

Feb 22, 2009 05:31 PM
by Haans249

3

710

Generation III Internal Engine

4000, 4200, 4250, big, biggest, block, blocks, bore, lq4, lsx, min, standard, stroke, thickness, wall

how big of a bore on LSX block

the big kahuna on Aug 20, 2008

Oct 19, 2008 06:20 AM
by 99blancoSS

14

10,303

Generation IV External Engine

11xx, 350, 425, 4250, 990, block, clerance, compression, crank, deck, height, ls1tech, ls7, nitrous, rod, stroke

4.25" stroke in LS7 block?

L337HomerSimpson on Aug 19, 2008

Aug 22, 2008 07:36 PM
by racer7088

12

7,183

Generation IV Internal Engine

4250, 500510cid, 510ci, 510cid, alum, aluminum, block, bore, chevy, dart, deck, heads, ls, ls1, lsx, lxs454, sale, sleeve, small, tall

510cid small block

(

1 2 3 4)

Domexitium on Jun 25, 2008

Jun 30, 2008 11:43 PM
by BigBronco

62

6,571

Generation IV Internal Engine

4200, 4250, blocks, bore, darton, development, engine, liner, ls1, ls2, ls7, oceanside, race, replace, sleeved, sleeves, stroke

Darton LS2 LS7 MID sleeved blocks

Steve - Race Eng on Sep 26, 2007

Sep 28, 2007 01:46 PM
by Mikey 97Z M6

4

10,793

Generation IV Internal Engine

4190, 4200, 4250, 440, 60, bore, gasket, gaskets, head, iron, ls1tech, lsx

4.200 head gasket for LSX Block

texada on Jul 31, 2007

Aug 1, 2007 05:08 PM
by Beast96Z

4

3,119

Generation IV Internal Engine

425, 4250, block, crank, cranks, deck, eagle, ls, ls1, lsx, mods, stroke, tall

Eagle 4.25" crank?

XLR8NSS on Apr 9, 2007

Apr 9, 2007 10:25 PM
by Beast96Z

7

4,921

Generation IV Internal Engine

4250, 4500, 6560, callies, compstar, connecting, crank, cranks, crankshafts, ls1, lsx, pack, rod, rods, speed

Compstar LSX Cranks Now Available

Joe Racer on Mar 14, 2007

Mar 14, 2007 04:44 PM
by GuitsBoy

1

1,182

Generation III Internal Engine

4185, 4250, block, callies, clear, crank, crankshaft, hard, long, ls, ls1, ls2, ls7, lsx, stroke

4.185 stroke

zeekracing on Sep 9, 2006

Nov 13, 2006 10:01 PM
by GIGAPUNK

5

2,966

Generation III Internal Engine

4, 402, 4250, 48, 485ci, block, bore, eagle, hemi, ls1, lsx, pistons, resleeved, size, stroke

4.250 stroke in an ls1. with resleeved cylinders to 4

themack56 on Jun 25, 2006

Jun 26, 2006 12:56 PM
by Uthinkso

11

932

Generation III Internal Engine

15, 350, 425, 4250, ati, blower, boost, formula, impeller, larger, ls1tech, procharger, psi, pulley, speed

4.25" Procharger pulley + ATI Damper = ?psi

Avengeance on May 15, 2006

May 16, 2006 04:54 AM
by EPP

8

3,262

Forced Induction

biggest stroker

a9x_hatch on Dec 6, 2005

Dec 7, 2005 08:53 AM
by J02ws6transam

8

1,105

Generation III Internal Engine

4250, 427, 60, bearing, block, clearance, crank, lq9, sbc, setting, stroker

427 build...advice and where to get the pieces?

(

1 2)

Timberwolf on Jan 9, 2005

Jan 28, 2005 02:37 PM
by racer7088

23

1,941

Generation III Internal Engine

4165, 4250, 447, assembly, bore, ci, ls1, ls1tech, ls2, lsx, motor, rotating, stroke, stroker

447 and 438 rotating assemblies

eric01ss on Dec 22, 2004

Dec 22, 2004 04:46 AM
by antz01ta

5

1,550

Generation III Internal Engine

39, 4125, 4250, 436, 69, block, bore, darton, engine, ls, ls1, sleeve, sleeved, stock, stroke, stroked, wet, windsor

Is a 4.125 stroke X 4.125 bore possible?

romanss on Jan 3, 2004

Jan 6, 2004 09:45 AM
by Pro Stock John

15

8,886

Generation III Internal Engine

2001, 4, 425, 4250, cheap, chevy, crank, crankshaft, lq9, ls1, lunati, max, rpm, stroker, tahoe

Cheap LS1 stroker crank?

2001CamaroGuy on Jun 24, 2003

Jul 1, 2003 05:21 PM
by Smoke_Ford

16

5,794

Generation III Internal Engine

4125, 4250, 454, 6125, bore, chevy, diamond, engine, ls1, ls6, lsx, pistons, ratio, rod, stroke

4.125 Bore 4.250 Stroke = 454 LS1

Mike TexaSS on Jan 23, 2003

Jan 26, 2003 08:44 AM
by AP-Engineering

11

8,127

Generation III Internal Engine

4.25 stroke too much? please help :)

RDF 2000 T/A on Sep 27, 2002

Sep 27, 2002 06:49 PM
by CHRISPY

7

1,040

Generation III Internal Engine

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