Threads Tagged with compression

1967, 1968, 427435, 68, comp, compression, engine, factory, gas, l71, ratio, specs

Original compression for 68 427/435 tripower?

(

1 2)

TriPowerrookie on Feb 6, 2007

Mar 12, 2026 11:26 AM
by 7t9l82

24

7,760

c5, c6, check, compression, corvette, engine, gto, injector, ls2, normal, numbers, proper, psi, results, test

Compression test results, normal numbers?

(

1 2)

MR_JLR on Mar 23, 2012

Dec 14, 2025 09:01 PM
by NORTY

24

48,094

41629, ac, aluminum, code, compression, corvette, delco, fr3cls, fr3ls, heads, install, plug, plugs, r43cts, r43ts, replacement, ring, tpi

AC DELCO Plug help!! # please

(

1 2)

rick lambert on Mar 4, 2006

Oct 27, 2025 10:42 AM
by IHBD

21

4,049

Need recommendations on head chamber size/compression

GREGGPENN on Oct 21, 2008

Feb 6, 2025 06:59 AM
by WaltertheCat

10

1,508

10251, 110, 1969, 427, 69, 93, big, block, chevy, compression, corvette, fuel, l46, lower, octane, run, sunoco, testing

doesn't a 68-69 427 need the 93 high octane gas?

(

1 2)

pionexxxx on Apr 12, 2005

Oct 23, 2024 04:44 PM
by vettebuyer6369

20

12,960

C3 General

1111465, 1970, 3967487, 454, carb, carburetor, compression, corveete, corvette, distributor, holley, ls7, r6239a, ratio, size

Correct Carb for 1970 LS7 454 motor

(

1 2 3)

leels7 on Aug 11, 2009

May 3, 2024 06:51 PM
by leigh1322

43

9,497

396, 92408, 971, bernardino, ca, compression, corvette, electric, lt1, mos, pressure, pump, ratio, san, supercharged, switch

Mo's Electric Corvette- Lot of Pictures

(

1 2 3 ... Last Page)

Mo_Bandy on Jun 17, 2011

Dec 23, 2023 04:02 PM
by Natty C

687

141,838

C4 General Discussion

294, 305, 502, airwolf, brodix, build, checking, compression, cylinder, head, heads, race, rite, spier, volume, zz502

ZZ502 Cylinder Head Recommendations

jon68l79 on Feb 15, 2012

Dec 8, 2023 06:52 PM
by divco13

9

20,464

c4, causing, compression, condition, corvette, e10, fuel, lean, o2, premium, ratio, readings, sensor, stoich, volts

E10!@#$@Help a brother out!

AspEater on Aug 22, 2008

Jun 26, 2023 12:54 AM
by Crabs

12

3,200

C4 ZR-1 Discussion

020, 20, 221226, 243, 560, 565, bump, cam, compression, cylinder, gain, heads, ls1, milled, milling, ratio

Milling heads for more compression?

(

1 2 3)

TheRadioFlyer97 on May 27, 2010

Apr 22, 2023 06:33 PM
by redzg

40

10,660

C5 Tech

88, 98, aus, c4, check, compression, corvette, engine, geht, l98, psi, removed, spec, test, tester

'88 L98 compression check question.

65Z01 on Apr 16, 2002

Apr 8, 2023 11:15 PM
by Marknangela

10

6,107

170, 190, 2001, 355, 427, 95, cold, compression, corvette, engine, gas, psi, pump, sbc, test

Compression test 170-182 psi, thoughts ?

69 N.O.X. RATT on Dec 23, 2002

Aug 7, 2022 03:59 PM
by heinzeroth

10

19,066

Engine Mods

angle, chart, closes, compression, cylinder, diagram, dynamic, effective, head, intake, offset, piston, position, ratio, recommended, rod, spreadsheet, valve, wristpin

Dynamic Compression Ratio CHART

(

1 2 3 ... Last Page)

The Clevite Kid on Oct 25, 2008

Mar 2, 2022 12:27 PM
by SpinMonster

65

68,091

big, bigger, cam, cams, clearance, compression, corvette, flycutter, isky, minimum, notching, piston, pnt238, pv, requires, tool

FLYCUTMONSTER: making big cams fit with optimum compression

(

1 2 3 ... Last Page)

SpinMonster on Apr 14, 2008

Oct 10, 2020 09:39 PM
by SpinMonster

101

36,541

How EXACTLY do I do a compression test

combustables on Jul 9, 2008

Aug 1, 2020 11:28 PM
by 95BLKVette

9

6,533

2008, 75, aa, c6, compression, corvette, forged, internals, ls3, nitrous, nos, problems, ratio, reliability, shot, stock, supercharger

2008 C6 stock LS3 with supercharger...thoughts??

(

1 2 3 ... Last Page)

rnbiker on Mar 1, 2011

Apr 13, 2020 09:53 AM
by NormWild

141

107,013

84, compression, corvette, give, high, higher, hp, means, pistons, point, power, raised, ratio, recessed, translate, worth

Does a higher compression ratio translate to more power?

luckyman on Dec 17, 2004

Jun 17, 2019 10:27 AM
by ctmccloskey

18

30,292

125, 1251, aluminum, big, block, compression, corvette, gas, heads, motor, pump, race, require, street, true

12.5 : 1 compression question

BDAZVET on Apr 9, 2002

Jun 9, 2019 10:16 AM
by d16dcoe45

19

18,756

Engine Mods

bump, compression, corvette, drag, dyno, e85, engine, high, intake, marcella, powered, racing, search, vbulletin, video

[Z06]

Lethal Racing E85 High Compression LS7 - 658hp/571tq Idle & Dyno Video Inside!!

(

1 2 3)

Lethal Racing on Feb 24, 2012

Apr 20, 2019 01:15 AM
by 73DBG

56

26,296

2005, c6, compression, corvette, engine, flow, heads, improve, installed, ls2, ls3, milling, tips, tune, upgrading

Upgrading ls2 with ls3 heads

xtasy on Aug 23, 2011

Nov 21, 2018 07:45 AM
by farmington

17

57,726

38, c2, c3, compression, fitting, fittings, forums, fuel, hose, hydraulic, line, lines, psi, pump, steel

Are compression fittings acceptable on steel fuel lines?

74ZZ430 on Dec 17, 2003

Oct 11, 2017 01:48 PM
by 7T1vette

11

35,714

131, c6, compression, copression, corvette, daily, driver, dyno, e85, forum, high, hp, increase, ls7, maximum, results, run, street

[Z06]

Any regrets going to high compression & E85?

(

1 2 3)

12oh on Dec 23, 2011

Sep 7, 2017 12:57 PM
by lt1z

48

35,113

Autocrossing & Roadracing

c5, compression, corvette, difference, digressive, dyno, linear, nitrogen, ohlins, penske, rates, rebound, roherig, shock, shocks, theory

Shock dyno comparo

(

1 2 3 ... Last Page)

ghoffman on Jul 6, 2008

Jul 5, 2017 04:34 PM
by BrianCunningham

82

15,008

14, 3911, 3924, ar3933, autolite, champion, compession, compression, fr4, heat, ngk, plug, plugs, range, spark

Spark plug heat range?

Cadmaro on Mar 22, 2012

Feb 27, 2017 10:32 PM
by ugleevette

10

31,578

177, 502, big, block, boost, c4, compression, mercruiser, problems, psi, retarder, supercharger, technical, timing, weiand

Supercharger on a 502 big block - Yikes, Questions Please!!!

(

1 2 3)

502vett on Sep 27, 2009

Oct 20, 2015 10:00 AM
by c6silver

59

63,458

14015445, 366, 427, bbc, casting, compression, deck, engine, hole, horse, mark, piston, power, starter, tall

BBC casting 14015445, tall deck?

scorp508 on Apr 1, 2003

Oct 8, 2015 01:18 AM
by havesometo

13

80,736

Engine Mods

2010, 390, 410, compression, corvette, e85, economy, fuel, gear, gears, higher, max, mh3, mn2, run, speeds, zr1

4:10 gears or higher compression and E85 next?

(

1 2 3 ... Last Page)

hungryhippo on Nov 19, 2010

Sep 21, 2015 01:03 PM
by Joe_G

75

10,215

c6, cam, compression, corvette, e85, high, highest, idle, limits, macho, ratio, timing, tips, tune, tuning, z06

[Z06]

MACHO package w/13.6 comp. ratio + E85 = holy TORQUE!!!

(

1 2 3)

Myhardtop on Sep 19, 2010

Jun 7, 2015 03:24 PM
by Gizmo5

58

18,731

boost, building, compression, cuts, engine, fmu, low, lt, lt1, motor, pistons, stock, supercharged, supercharger, supercharging, turbo, turbocharged

how many have supercharged a stock lt1 10:1 motor and how safe is it to do it?

turbotim23 on Dec 8, 2011

May 18, 2015 05:05 PM
by LT1inaMGB

7

58,470

1967, 1997, 2002, 2004, 84, block, calculator, chevy, compression, corvette, cylinder, firing, gmc, ls1, order, ratio, small

LS1 firing order

2K14C7 on Mar 15, 2008

Nov 2, 2014 03:59 PM
by roller63

13

75,065

C5 Tech

3370, advance, compression, erratic, good, holley, vacuum

Unstable idle in my '66 BB

steve meltzer on Jul 13, 2010

Oct 15, 2014 12:54 AM
by steve meltzer

17

2,247

C6 Forced Induction/Nitrous

boost, compression, corvette, forced, head, heads, induction, l92, ls2, nitrous, ratio, turbo, whipple

LS2 with L92 Heads and Boost

Harbinz51 on Jun 24, 2011

Feb 5, 2014 05:51 PM
by Kurvet

7

3,807

195s, 280ar, 406, afr, aluminum, cam, cams, comp, compression, heads, longevity, negative, rollers, safe, solid, xr274r

What are the advantages of a solid roller????

(

1 2 3 ... Last Page)

alnukem on Sep 23, 2006

Feb 5, 2014 12:30 PM
by bluedawg

72

9,028

2244, 2244p, 2244p030, 350, compression, forged, kind, piston, pistons, ratio, trw, type

What type of Piston do I have?

Rob's 73 on Oct 17, 2001

Dec 8, 2013 08:51 PM
by scottyp99

13

10,004

c3, cam, compression, corvette, drop, dropped, engines, heads, issue, issues, ls7, problems, uracowman, valve, valves

[Z06]

Question about the valve drop issue some of the LS7 motors are having

(

1 2 3)

uracowman on Oct 27, 2011

Nov 1, 2013 12:21 PM
by Bill Dearborn

50

7,469

1973, compression, corvette, engine, factory, heads, l48, numbers, parts, pictures, raise, sale, spec, specifications, specs

1973 L48 engine rebuild

(

1 2)

humiliategravity on May 27, 2004

Sep 17, 2013 02:32 AM
by speedreed8

20

7,216

1973, cam, clh, codes, compression, corvette, corvettes, crate, engine, evansville, l82, motor, numbers, sale, speed

WTB - 1973 L82 Engine

(

1 2)

Highwayman on Aug 13, 2009

Jul 18, 2013 10:33 AM
by calif phil

29

9,654

C3 Parts for Sale/Wanted

2008, c5, c6, cam, camshaft, compression, corvette, g5x4, g5x4cam, install, lg, lgm, prices, raised, stock, z06

LG g5x4 cam questions

rootpooty on Mar 7, 2011

Apr 9, 2013 05:52 PM
by Bonnetts02Vette

8

2,855

C5 Tech

c5, change, compression, corvette, head, installation, ls7, motor, picture, removal, remove, spring, springs, tool, valve

[Z06]

picture of valve spring removal ls7

catchmes2000 on Feb 10, 2012

Mar 17, 2013 09:18 PM
by atljar

18

7,177

350, box, compression, control, gap, gm, hei, high, ignition, ignitions, lower, ls1, msd, plug, resistance, spark, wide

Spark Plug Gap

(

1 2)

everest29 on Mar 20, 2008

Feb 17, 2013 12:45 PM
by babbah

24

31,693

c6, cars, cng, compression, conversion, corvette, corvettes, gas, l92, ls2, muscle, natural, octane, powered, running

Natural Gas Powered LS2

RT2SJB on Apr 30, 2011

Jan 14, 2013 04:11 AM
by New C5er

7

2,388

advance, advanceing, advancing, cam, camshaft, compression, degrees, end, engine, idle, intake, looses, low, lower, make, power, retarded, retarding, valve

Cam retarded 2 degrees, how much low end should I lose???

(

1 2)

Fr Guido Sarducci on Aug 16, 2004

Jan 10, 2013 06:48 PM
by C409

25

31,065

112k, 1994, 84, acceptable, cal, compression, corvette, cylinder, engine, high, miles, psi, test, variance, z06

[Z06]

What is stock cylinder compression psi?

NOSZ06 on Aug 16, 2010

Jan 2, 2013 10:40 PM
by one bad Z06

10

17,713

chart, charts, compression, engines, forced, gm, graph, guide, induction, ls2, ratio, ration, spreadsheet, static, trig

STATIC compression ratio chart

The Clevite Kid on Oct 29, 2008

Dec 1, 2012 07:53 AM
by SpinMonster

14

9,485

C6 Forced Induction/Nitrous

91, bore, compression, find, kits, ls2, ls3, meth, mo, octane, ratio, safe, southeast, supercharging, water

LS2 or LS3 for boost?

(

1 2)

Cyphear on Jul 16, 2010

Oct 29, 2012 04:17 AM
by LedfootLarry

21

33,509

350, compression, corvette, cylinder, test, tester

cylinder compression test

(

1 2)

alexandervdr on Oct 13, 2011

Oct 23, 2012 12:13 PM
by alexandervdr

20

5,309

compression, corvette, darkant, forum, gasket, head

Looking for advice or actual help

(

1 2)

darkant on Jan 9, 2012

Oct 15, 2012 01:00 AM
by darkant

21

1,966

C4 General Discussion

060, 268, 308, 350, 76cc, biggest, bored, cam, comp, compression, converter, fi, gears, heads, lifters, ratio, torque, xe268h

Dyno results for Comp XE268H

(

1 2)

johnt365 on Apr 29, 2011

Oct 4, 2012 05:51 PM
by johnt365

37

43,447

cf, compression, define, discussion, forum, hot, info, lash, lt5, piston, rebuild, runnung, slabing, tech, valve

Tech Info - LT5 New Rebuild Zero Compression

Dynomite on Nov 2, 2011

Sep 9, 2012 06:27 PM
by Dynomite

9

6,635

C4 ZR-1 Discussion

cajun, compression, corvette, fast, fittings, forum, fuel, installing, rail, rails, ss60066an, swagelok, system, tight, tighten, vapor

[Z06]

AMAZING product for anyone installing aftermarklet fuel rails

bowtiguy on May 9, 2010

Aug 28, 2012 11:02 PM
by timd38

10

8,971

051, 327, c2, compression, corvette, dynamic, gas, ideal, max, premium, pump, quench, ratio, ratip, static, work

Dynamic/Static Compression Ratios & Pump Gas

(

1 2)

Bdeliman on Sep 20, 2011

Aug 1, 2012 07:57 PM
by Bud2

23

24,720

02, 1997, 205, 59cc, afr, cam, compression, corvette, exhaust, full, intake, ls2, rwhp, tune, z06

[Z06]

412 RWHP Sound right with my setup?

(

1 2 3 ... Last Page)

Sik Six on Apr 26, 2012

Jun 29, 2012 01:15 AM
by golfinz

81

7,865

C5 General

427 for sale, block, c6, compression, diamond, forum, high, images, ls7, ls7 engine, ls7 shortblock, pistons, sale, short, zo6

For Sale New Build LS7 Shortblock Diamond pistons high compression

(

1 2)

bpproducts on Jan 10, 2012

Jun 14, 2012 09:29 PM
by bpproducts

24

4,905

C6 Parts for Sale/Wanted

1973, cam, compression, corvette, engine, heads, hp, i48, improvements, intake, l48, manifold, ported, power, stock

need more power out of the L-48

bfreema4 on Mar 13, 2009

May 30, 2012 07:03 PM
by Skyhorse

8

5,170

10, 427, 900, c6, c6zo6, compression, corvette, forum, fuel, hp, max, maxxed, power, ysi, z06

[Z06]

project blowen c6 zo6 ysi

(

1 2)

joshsneedysizo6 on Feb 27, 2012

May 23, 2012 05:12 PM
by LSX_NUT

25

6,589

1103, 1104, 1968, 454, 882, cam, chevy, compression, cylinder, heads, racing, range, reviews, sale, summit

Summit K1104 cam too much for 882 heads?

(

1 2 3 ... Last Page)

waid1017 on Apr 4, 2012

May 19, 2012 10:53 AM
by Tangelo79

98

39,440

85, compression, detonation, dynamic, ratio

Dynamic Compression Ratio

(

1 2)

Bud2 on May 9, 2012

May 10, 2012 11:49 PM
by Bud2

27

3,137

58, 68, compression, corvette, good, heads, l68, numbers, oily, plug, plugs, seal, seals, spark, test, valve, vette

Good Compression Test Numbers vs Oily Spark Plugs

(

1 2)

Vet65te on Apr 26, 2012

May 5, 2012 07:38 PM
by Vet65te

35

11,086

arm, bushing, clearance, compression, distributor, end, engines, high, kb157std, limit, performance, plate, powered, pressed, racing, rev, rocker, studs, vbulletin

Warm up the engine?

myronf on Apr 23, 2012

Apr 29, 2012 09:05 PM
by VetteRed1965

10

6,161

Fuel pump or not to fuel pump...

Tiger05 on Apr 26, 2012

Apr 28, 2012 06:39 AM
by Paul Workman

9

844

C4 General Discussion

2012, 243, 402, change, compression, engine, gto, heads, ls2, ls3, mahle, nitrous, performance, pistons, sale, stroker

LS3 heads on LS2/402...........Smart move at $600??? or stay with 243/799............

SteveDoten on Apr 18, 2012

Apr 27, 2012 11:27 AM
by Joe_G

11

14,863

supercharger?

petrov83 on Apr 13, 2012

Apr 16, 2012 06:43 PM
by dizwiz24

8

1,393

Autocrossing & Roadracing

1151, anger, compression, corvette, forum, management, nj, racing, street, tommy

4-07-12 Results: V. Cupolo 10.50; E. Fischer 11.50; and Tommy M. wins the brackets!!

(

1 2 3)

Eric Fischer on Apr 7, 2012

Apr 11, 2012 10:02 PM
by Vettekid1992

55

3,375

Drag Racing

bilstein, buy, c4, compression, corvette, custom, doug, drm, group, revalve, rippie, shock, shocks, tool, valved, z06

DRM Valved Bilstein group Buy

(

1 2)

Randy@DRM on Jan 13, 2010

Apr 5, 2012 06:53 PM
by ZR11AB

25

4,320

77, c3, compression, corvette, stroke, tdc, valves

Tdc ?

daanbc on Mar 24, 2012

Mar 25, 2012 10:34 PM
by Skip Burney

7

1,565

C3 General

antique, cars, compression, fouler, foulers, install, installation, nonfouler, plug, run, spark, worst

Spark Plug Non-Fouler

CheriG22 on Mar 24, 2012

Mar 25, 2012 10:55 AM
by oldalaskaman

6

3,220

C3 General

1969, 350, 69, bdm, c4, compression, corvette, run, sale, supercharger

Supercharging 1969 350?

Denno1969 on Mar 23, 2012

Mar 24, 2012 07:47 PM
by Billysvette

12

6,788

110, 246259, 660642, california, compression, corvette, duration, high, lethal, lift, location, performance, shop

[Z06]

High compression build at Lethal Performance

NA-Z06 on Mar 20, 2012

Mar 21, 2012 04:06 PM
by NA-Z06

7

1,397