dcr - LS1TECH - Camaro and Firebird Forum Discussion

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bogart, calculations, calculator, calulator, cam, camshaft, d10, dcr, event, events, fbody, som, spreadsheet, timing, valve

Updated Valve event / DCR / SCR / Header length spreadsheet

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1 2 3)

J-Rod on 09-17-2004

03-29-2024 07:09 PM
by Shtstr

59

136,416

Advanced Engineering Tech

105, 121, compression, corvette, dcr, e85, engine, gas, ls1, ls2, max, na, octane, pump, ratio

max compression for na e85 motor??

aaron.kent.76 on 08-01-2010

07-31-2017 04:58 PM
by .boB

19

26,459

Generation III Internal Engine

61, cam, cc, dcr, engine, head, ls1, ls1tech, ls2, stock

please confirm DCR calculation of LS2 combo

TXsilverado on 01-21-2014

01-22-2014 08:06 PM
by redtan

1

1,176

Generation IV Internal Engine

What's The Best DCR SCR Calculator?

Greg_E on 01-17-2014

01-18-2014 03:09 PM
by 99Bluz28

6

1,672

Generation III Internal Engine

178, adbc, add, cam, comp, dcr, find, headers, increas, kooks, ls1, procentage

Need help calculating DCR

whitedevilWS6 on 07-02-2013

07-02-2013 07:25 PM
by therabidweasel

15

1,028

Generation III Internal Engine

351w, 91, calculator, close, dcr, gas, high, intake, ls1, ls3, lt1, pump, real, running, sales, time

DCR and pump gas question

ice95z on 11-21-2012

03-28-2013 11:53 AM
by JakeFusion

19

7,213

Advanced Engineering Tech

004, 006, 050, 15, add, atdc, dcr, degrees, eps, ivc, ls1tech

need help with scr/dcr numbers please

outkast6991 on 02-15-2013

02-16-2013 05:46 PM
by outkast6991

14

999

Generation III Internal Engine

85, dcr, ethanol, ls1tech, maximum, nitrouse, quench, question

Quench and DCR Question

JakeFusion on 11-19-2012

11-20-2012 11:48 PM
by SS10Tech

9

1,062

Generation III Internal Engine

410, assembly, builders, compression, dcr, dynamic, e85, engine, fargond, ls1, ls3, manley, rotating, stock, stroke

Engine builders, Tuners, chime in! DYNAMIC COMPRESSION SITUATION ADVICE NEEDED!

LT1STROKER on 10-15-2012

10-16-2012 01:11 AM
by LT1STROKER

7

1,415

Generation IV Internal Engine

53, cam, comp, dcr, eps, lobes, low, ls1, lxl, make, mods, monster, needed, spray, torque

need torque monster cam that is spray friendly

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1 2)

hotrodth on 08-21-2012

08-28-2012 08:04 PM
by Sales@Tick

24

5,076

Generation III Internal Engine

118, 408, 93, 97, afr, boost, boosted, comp, compression, dcr, gas, lq9, octane, pump, ratio, safe, z06

what is the ideal afr,static comp, and dynamic comp for a boosted 10 psi 408 lq9 ?

c5z16z on 08-25-2012

08-26-2012 09:01 PM
by Sales@Tick

6

1,848

Forced Induction

231239, 408, big, cam, camshaft, compression, dcr, engine, gen5, low, lower, ls1, ls1tech, overlap, smaller, tweener

Compression for my 408 with this cam...too low?

Stroker2112 on 08-16-2012

08-17-2012 07:00 AM
by Stroker2112

9

1,343

Generation III Internal Engine

1070, 89, bar, brackets, car, dcr, handling, lack, lowered, ls1, ls1tech, oversteer, relocation, road, scr, snap, sway, wanders

So whats up with my handling?

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1 2 3)

stroked383HSR on 06-29-2012

07-30-2012 09:53 AM
by BMR Tech2

56

4,173

Suspension & Brakes

12.5 auto ss

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1 2)

G.T. CHRIS on 12-03-2010

07-10-2012 02:27 PM
by ROMERO98Z28

22

3,000

12 Second Club

117, 383, 408, 408w, chevy, closing, compression, cranking, dcr, engine, gas, intake, ls, ls1tech, max, point, pump, valve

max compression to run on 93

SStressin on 06-25-2012

07-01-2012 04:55 PM
by LS1 Racing

12

2,978

Generation III Internal Engine

1600cc, a1000, aem, c5, c5z06, ccw, ccws, dcr, fsft, louis, perfect, red, sale, silver, slammed, sp500, st, t04z, z06

FS/FT Perfect C5 Z06

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1 2)

NBM99SS on 12-29-2011

06-29-2012 09:06 PM
by NBM99SS

24

6,998

Vehicle Classifieds

045, 241, 241s, 243s, 61, cam, cc, chambers, compression, dcr, equals, ls1, milled, milling, rwhp, tsp, v2

Will my DCR be too high?

spicebird98 on 05-29-2012

05-30-2012 10:02 AM
by dtroike

7

1,187

Generation III Internal Engine

blown, centerfuge, centrifugal, compression, dcr, dynamic, engine, forced, induction, ls1, ls6, maximum, scr, setup, target, works

Ideal DCR / SCR for centrifugal setup

vmapper on 05-12-2012

05-13-2012 06:08 PM
by I8UR4RD

5

1,290

Forced Induction

113, 142, 383, 91, compression, dcr, dyno, e85, effective, gas, levels, race, ratio, results, safe, static

Static Compression Race/Pump.

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1 2 3)

F0x Slaughter on 05-07-2012

05-10-2012 06:48 PM
by Melkor

44

5,957

LT1-LT4 Modifications

cam, cams, comperssion, dcr, dynamic, engine, increase, ls, ls2, yo

Want to increase DCR

qwikz28 on 03-17-2012

03-20-2012 05:10 AM
by mark21742

6

1,330

Generation III Internal Engine

affect, build, cam, compression, dcr, displacement, dynamic, effect, engine, high, increase, l99, low, motor, power, vvt

VVT effect on DCR. (question)

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1 2)

Mr. Sir on 01-26-2012

03-13-2012 05:37 AM
by Mr. Sir

38

3,196

Generation III Internal Engine

Can someone double check my DCR?

Pray on 02-01-2012

02-01-2012 06:07 PM
by Pray

0

440

Generation IV Internal Engine

0050, 1021, 222, abdc, begin, calculation, cam, compression, dcr, drc, duration, engine, formula, ls1tech, ratio

10.2:1 dcr?

themealonwheels on 01-17-2012

01-19-2012 10:33 AM
by mark21742

10

1,832

Generation III Internal Engine

216224, 373, 390, calculator, cam, crane, dcr, doctor, gears, ls1, results, rpm, sbc, th400, vista

My DCR Calculator - If you have a Comp grind, it doesn't get any easier than this...

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1 2 3 4 5 ... Last Page)

pianoprodigy on 12-27-2006

01-14-2012 06:27 PM
by Pray

157

35,528

Generation III Internal Engine

185psi, 230, 93, abdc, calculator, closing, cranking, dcr, dynamic, intake, ls1, ls1tech, octane, perfect, pressure, psi

DCR & Pressure

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1 2)

Paul57 on 12-09-2011

12-18-2011 02:25 AM
by jimbob

26

4,755

Generation III Internal Engine

040, 131, 250, 370, build, compression, dcr, gasket, head, ls2, ls3, na, scr, sdlc, stock, tsp

Please help with SCR and DCR (LS3 h/c build)

UltraZLS1 on 12-01-2011

12-03-2011 06:23 AM
by UltraZLS1

8

1,945

Generation IV Internal Engine

111, boost, comp, dcr, e85, high, motor, streetcar, turbo

is 11.1 comp to much

Ls_Nova on 11-27-2011

11-29-2011 04:51 PM
by Ls_Nova

9

1,648

Forced Induction

11, 2000, 243, compression, dcr, engine, head, heads, high, hp, ideal, lq4, performance, ratio, rpms, torque, w243

lq4 243 combo tech question - ideal scr and dcr

low2001gmc on 09-19-2011

09-20-2011 12:58 PM
by Whiteaw57

6

4,324

Generation III Internal Engine

02, 15, 53, 85, calculators, compression, dcr, dynamic, higher, mustang, octane, rate, ratio, static, street

Dynamic Compression Ratio woes

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1 2)

Nebulus on 08-26-2011

09-11-2011 12:12 PM
by Nebulus

26

5,455

Generation III Internal Engine

227230, 675, 799s, cam, dcr, eps, gain, ls1, ls1tech, patg, prc, slp, springs

Pat G/EPS Cam, Milled 799s, what will it make?

NVR_SPDS on 06-17-2011

07-17-2011 09:20 PM
by *02WS6TURK*

5

917

Dyno Guesses & Bench Racing Forum

1105, 408, 86, 93, compression, dcr, gas, height, knock, ls, ls1tech, mahle, octane, pump, retard, tolerate

How much DCR is too much?

Hemi Killer on 06-01-2011

06-02-2011 08:53 PM
by chrs1313

10

2,213

Generation III Internal Engine

243, 60, 62, afr, aftermarket, dcr, detonation, etpcathedralportcilynder, g8, gt, hads, heads, ls1, ls2, makes, market

AFR/ETP/etc. Aftermarket Heads --> Can they handle higher DCR?

02RedHawk on 09-04-2006

05-14-2011 12:15 AM
by blk~2000~Z28

10

1,463

Generation III Internal Engine

220, 220220, 220220110, 48, 48l, cam, dcr, eps, ls1tech, ls3, overlap

What Would DCR Be For 220/220 110+4 Cam on XER Lobes in 4.8L or LS1?

dug on 05-03-2011

05-03-2011 10:03 PM
by mtuggle86

1

807

Generation III Internal Engine

93, cam, camshaft, dcr, end, f13, huge, low, ls1, max, overlap, performing, tech, torque, xer281hr

Best low end torque cam for LS1..

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1 2 3 4 5 ... Last Page)

SSCoulter on 05-27-2005

04-18-2011 01:20 AM
by getcha 01

264

158,274

Generation III Internal Engine

040, 265lr, 53, 58cc, carburetor, dcr, gasket, head, heads, hr12, lm7, ls1, ls1tech, mill, milled, scr

Help with verifying SCR and DCR

JohnDaMan on 04-14-2011

04-15-2011 05:59 PM
by intenseblue

3

1,233

Generation III Internal Engine

280, 373, affect, cam, cams, compression, dcr, diet, lt1, max, pcmforless, powered, tune, vbulletin, volumetrics, xfi

drop my SCR or get a bigger cam?

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1 2)

Zac28 on 04-06-2011

04-14-2011 10:51 PM
by Wicked94Z

21

2,024

LT1-LT4 Modifications

93, calculator, dcr, detonation, e85, head, highest, login, low, ls1, octane, optimum, relationship, scr, sluggishness

DCR/SCR in relationship to motor "sluggishness"

ZexGX on 01-13-2011

03-16-2011 01:54 PM
by KILLER-LS1

13

3,418

Advanced Engineering Tech

Calculate scr and dcr...

Anthony '00 WS6 on 03-15-2011

03-15-2011 11:09 PM
by 98blueSScamaro

10

1,149

Generation III Internal Engine

12498544, 228r, 391, 53, advertised, bore, cam, dcr, duration, gm, lq9, ls6, prc, tsp

Opinions on DCR and SCR

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1 2)

mamead on 03-12-2011

03-13-2011 10:52 PM
by Higgs Boson

34

4,283

Generation III Internal Engine

My setup

sergio turbo on 03-03-2011

03-12-2011 01:33 AM
by sergio turbo

7

762

Generation IV Internal Engine

108, 224, calculate, camshaft, camshafts, dcr, lobes, ls, ls1, xer

What is DCR of 224 108 +0 Cam on XER Lobes in Ls1?

dug on 02-16-2011

02-17-2011 09:22 AM
by Sales2@Texas-speed

3

942

Generation III Internal Engine

231, 237, 25, 589, 595, calculate, calculating, cam, comp, dcr, duration, heads, lift, ls1, ls6, prc, properly, si5, stock

Help calculating DCR

Dragula on 02-07-2011

02-07-2011 05:39 PM
by Dragula

5

1,050

Generation III Internal Engine

865, 87, 91, 92, 93, cam, camshaft, dcr, gas, limits, ls1, ls1tech, octane, pump, shaft

Is a DCR of 8.94 too much?

STAR on 12-16-2010

12-17-2010 11:57 AM
by 1SLwLS1

10

1,203

Generation III Internal Engine

1101, 1151, 851, carb, compression, dangerous, dcr, gas, good, ls1, max, premium, ratio, scr, street

Compression ratio??

bugy on 12-09-2010

12-10-2010 01:08 PM
by bugy

6

1,221

Generation III Internal Engine

1132, 222226, 224r, 241, cam, camshaft, dcr, eps, heads, ls1tech, power, torque

The Right Cam? EPS

hs70ss on 12-03-2010

12-05-2010 03:34 PM
by 01ssreda4

15

1,785

Generation III Internal Engine

93, commpression, compresion, compression, dcr, dynamic, engine, good, ls1, needed, octane, ratio, ration, safe, whats

Safe compression ratio for 93 octane

redbird555 on 10-23-2010

10-23-2010 09:10 AM
by slt200mph

9

7,776

Generation III Internal Engine

430, calculate, calculator, crank, cranking, dcr, determine, difference, dynamic, info, lincoln, pressure, static, vs, whatisdynamiccrankingpressure

help me understand dynamic cranking pressure

merim123 on 10-07-2010

10-07-2010 10:22 PM
by merim123

5

2,851

LT1-LT4 Modifications

2005, angle, atdc, btdc, cam, center, custom, dcr, events, l76, l92, lobe, ls2, optimal, spec, torque, valve

L92 Cam

DWillTA on 09-22-2010

09-28-2010 01:03 PM
by LS6

10

1,613

Generation IV Internal Engine

111, 251259, 660663, cam, camshaft, centerline, clip, dcr, intake, ls1, lsa, makes, power, scrdcr, sound

help with DCR? and SCR

douwannarace on 07-09-2010

08-01-2010 10:56 AM
by Tunink

12

1,202

Generation IV Internal Engine

1041, 118, 347, 91, 91octane, compression, cr, dcr, highest, kind, ls1, ls1tech, needed, octain, octaine, octane

Highest CR on 91 octane

bp944 on 07-18-2010

07-22-2010 11:21 AM
by jmm98LS1

10

2,014

Generation III Internal Engine

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