Threads Tagged with backpressure

backpressure, bulet, bullet, cut, lm, lm1, lm2, lt1, mufflers, open, produce, slp, slps, sweet, thunder, v8

LM1 vs. LM2 bullet muffler

1SWT95Z on 06-06-2010

08-27-2015 03:33 PM
by Dirty_Bird

17

17,259

88, back, backpressure, cars, compressor, eclipse, exhaust, lag, map, pressure, pt, reduce, reducing, turbo, ways

Turbo sizing,backpressure explained

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1 2)

MY99TAWS6 on 04-28-2008

04-26-2015 08:27 PM
by engineermike

28

70,058

Which Turbo to Lower Back Pressure and still spool early

Bazman on 03-24-2014

03-25-2014 11:57 PM
by Bazman

3

1,715

81, 82, ar, backpressure, band, compaired, exhaust, housing, inlet, large, ls1tech, precision, t3, t4, turbo, vband

Do the precision vband in exhaust housings limit power compared to a t4?

parish8 on 08-19-2013

01-20-2014 03:23 PM
by GR8GAME

16

14,272

53, 53l, 60, 75mm, 7675, 7875, backpressure, cam, dyno, lq4, ls1tech, ls3, max, power, turbo

How far will a 7675 go on a 6.0?

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tiznodd on 10-28-2013

11-02-2013 01:02 PM
by LS1NOVA

28

35,674

62mm, 81, 9180, ar, backpressure, cummins, ecover, efr, ls1, mount, rear, single, system, t4, tuner, turbo, universal

EEK 22PSI Back Pressure on Rear Mount

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Bazman on 10-15-2013

10-25-2013 04:21 PM
by Bazman

21

5,185

111mm, 370, 427, 53, 88mm, backpressure, ci, hp8811, ls1, ls3, motor, rpm, size, spec, turbine, turbo

370 large turbine 88mm back pressure results

rotary1307cc on 06-25-2013

06-27-2013 08:40 AM
by rotary1307cc

19

7,832

6766, backpressure, comp, exhaust, larger, ls1, ls1tech, manifold, pressure, quick, spool, t3, test, turbo, twin, valve

Back pressure test results, when is it too much?

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SPRAYED 01 on 04-16-2012

10-05-2012 09:31 AM
by rotary1307cc

65

23,294

back, backpressure, dyno, exhaust, hp, hptuners, ls1, normal, pressure, race, tune, tuner, tuning, turbo, turbocharger

hp tuners/turbo/exhaust backpressure

mebanestang on 10-03-2012

10-03-2012 02:07 PM
by mebanestang

0

583

PCM Diagnostics & Tuning

back, backpressure, cat, delete, lt1, pressure, silverado

Mod advice

TransAmChris on 06-20-2012

06-20-2012 08:31 PM
by TransAmChris

3

612

4788r, back, backpressure, chamber, combustion, creates, e85, exhaust, high, increased, measured, pressure, running, spraying, turbo

E85 and back pressure

SPRAYED 01 on 06-14-2012

06-15-2012 04:50 AM
by stevieturbo

15

2,696

back, backpressure, duals, glasspack, glasspacks, loose, ls1, magnaflow, make, muffler, power, pressure, rid, sbc, true

Questions about my exhaust and backpressure

z2877 on 05-01-2012

05-02-2012 01:14 AM
by azlt

4

964

370, 38mm, 44mm, back, backpressure, issues, ls1, ls1tech, power, pressure, tc78, turbine, turbo, turbonetics, wastegate, wheel

TC78 with a 38mm wastegate

evo462 on 02-21-2011

04-20-2012 08:19 AM
by TurboTPI

9

2,094

General LSX Automobile Discussion

2002, 98, back, backpressure, camaro, cat, cats, good, ls1, lt1, picking, presssure, pressure, slp, stock

Backpressure issues?

Master_TA on 03-28-2012

03-28-2012 08:52 PM
by Master_TA

5

871

96, aftermarket, back, backpressure, camaro, caprice, due, egr, exhaust, headers, low, lt1, p0400, pressure, problem, valve

P0400 Help - Aftermarket Exhaust- Wondering if its low backpressure problem.

davids125 on 03-23-2012

03-23-2012 05:22 PM
by flame

5

2,594

5, 53, backpressure, downpipe, long, merge, pipe, pt88, run, size, spd, t76, tc78, turbo, tuurbonetics

down pipe size question

jfg455 on 03-08-2012

03-13-2012 05:48 PM
by jfg455

5

1,430

48l, backpressure, blowout, boost, e85, float, forced, fuel, induction, lexus, ls1tech, sc300, spark, switching, timing, turbo, working

E85 4.8 mpt70 - audible ping, no KR - why?

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tunedportcj5 on 01-31-2012

02-16-2012 11:08 PM
by maxgee

31

3,844

Cadillac CTS-V 2004-2007 (Gen I)

backpressure, ca, cadillac, cats, cts, ctsv, headers, hellion, kooks, legal, ls1tech, power, removing, silverado, slow

No cats!

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1 2 3)

RoidZ71 on 01-28-2012

02-05-2012 04:24 PM
by RoidZ71

45

4,142

60, backpressure, boost, cars, controller, forced, induction, ls1tech, ls6, ly6, pt7675, rpm, speed, spool, spooling, spools, time, turbo

what is your logged turbo spool time:? 6 speed or auto

got-a-ls1 on 01-19-2012

01-20-2012 02:10 AM
by got-a-ls1

6

4,593

back, backpressure, copper, gauge, ls1, ls1tech, lt1, lts, measure, measuring, pressure, rating, reading, s480, test, turbo

measuring back pressure?

turbo370supra on 12-16-2011

12-20-2011 03:19 PM
by turbo370supra

16

2,128

can i pull a 02 sensor to check back pressure

bad6as on 11-21-2011

11-22-2011 11:07 AM
by bad6as

9

796

25, 346, 76mm, back, backpressure, comp, corvette, exhaust, highexhaustbackpressure, intake, issue, ls1, ls6, prc, pressure, pt88, runner, stage, turbo

I may have High Exhaust Back Pressure Issues...

1SIKZ31 on 10-13-2011

10-14-2011 02:17 PM
by stevieturbo

12

2,257

3, 3in, backpressure, bad, big, camaro, exaust, exhaust, flow, hp, inch, loss, ls1, piping, recommended, stock, system

3 in exhaust on stock ls1

tvg001 on 08-12-2011

08-12-2011 09:46 AM
by Darkman

3

1,939

backpressure, divided, divider, edge, exhaust, flange, housing, knife, remove, removing, t4, tc78, turbine, upgrade, wall

Thoughts on removing the divider on a tc78 Ex housing?

BLINGOLE on 07-21-2011

07-25-2011 06:03 AM
by Nitroused383

15

2,813

New LS1 Owners - Newbie Tech

back, backpressure, exhaust, lose, loudmouth, ls1, pressure, slp, systems

Did I lose some back pressure

99 ss on 06-22-2011

06-22-2011 02:17 AM
by 01ssreda4

2

602

back, backpressure, blow, exhaust, f450, fix, gauge, hook, pressure, vale, valve

N/A guy looking for cheap solution to release excess exhaust backpressure

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1 2)

98_TA_EMLC on 05-31-2011

06-01-2011 11:07 PM
by Fbodyjunkie06

28

1,403

back, backpressure, e85, exhaust, forced, fuel, housing, induction, issue, ls1tech, pressure, pressures, set, turbo

E85 and Back Pressure on Turbo Setup

HydroStream6 on 02-20-2011

02-20-2011 07:24 PM
by HydroStream6

6

1,971

347, 57, 76, 96, ar, backpressure, ls1, mount, power, pressure, problems, rear, t76, tc76, turbo

TC76 .96 on 347 ls1 and backpressure

yelo04goat on 12-26-2010

12-27-2010 11:41 PM
by Johnv

13

2,829

53, 78gts, back, backpressure, billiet, dyno, precision, pressure, sbc, similar, size, tc76, tc78, turbo, weight

Is there a better turbo than a tc 78 that's the same size?

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1 2)

SPRAYED 01 on 10-20-2010

10-24-2010 10:44 AM
by HydroStream6

21

2,935

New LS1 Owners - Newbie Tech

back, backpressure, blow, camaro, dumps, engine, exhaust, ls1, ls1tech, ls2, myth, needed, performancetrucknet, pressure, trans

backpressure...i searched please read

blackfbird98 on 08-31-2010

08-31-2010 04:22 PM
by Z28_LT1

10

11,728

110, 87mm, 92mm, affect, ar, back, backpressure, boost, housing, pressure, size, sizing, turbine, turbo, wheel

Boost Response & Backpressure VS Turbine Dia and Housing AR

ProVK on 08-04-2010

08-04-2010 08:23 AM
by ProVK

0

760

back, backpressure, car, cars, change, exhaust, good, losing, ls1, pressure, presure, shifting, tools, tube, turbo

do i need back pressure?

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2fast2furiousz28 on 05-15-2010

05-19-2010 11:56 PM
by Chrismikeb

42

8,840

Texas Members

Would stepping down from 4" to 3.5" at the last 2" of my exhaust hurt performance?

Snyper on 05-15-2010

05-16-2010 11:34 AM
by Snyper

9

1,095

New LS1 Owners - Newbie Tech

Back pressure

thatguy383 on 04-16-2010

04-16-2010 10:16 AM
by 99FormulaM6r

1

715

back pressure

vteckiller on 01-09-2010

01-09-2010 07:37 PM
by 01'SSLSX

2

1,015

18th, 770, alky, backpressure, bigstuff, ecs, horse, iat, power, pt88, spool, t88, time, turbo, ws6

HELP! turbo setup sucks

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z28boysteve on 12-20-2008

10-16-2009 03:24 PM
by z28boysteve

136

11,405

back, backpressure, camshaft, compound, eliminate, engine, exhaust, ls1, pre, pressure, restriction, test, theory, totally, turbo, turbocharge, turbocharger

Turbo Backpressure theory questions

icicleboy on 10-02-2009

10-04-2009 11:45 AM
by black98ws6ta

6

7,758

Advanced Engineering Tech

18l, aspirated, astra, back, backpressure, engine, engines, good, motor, motors, muffler, na, naturally, performance, pressure, saturn

Back pressure on a NA 1.8l motor

kapsz28 on 06-30-2009

07-05-2009 12:35 AM
by JonCR96Z

4

1,771

60, back, backpressure, boost, car, engine, kill, lowers, much, pressure, turbo

how much backpressure is too much?

lt170chevelle on 04-22-2009

04-23-2009 07:55 PM
by engineermike

10

7,102

back pressure

maggotpez on 01-22-2009

01-23-2009 07:37 AM
by Puck

7

699

3, backpressure, catback, exhaust, headers, losing, loud, ls1, mouth, open, ory, pipe, rattling, tech, turndown

Anyone run no catback?

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1 2)

newton on 10-14-2008

12-09-2008 06:38 PM
by jrob56

23

1,802

back, backpressure, exhaust, ls1tech, measure, pressure

I need a way to measure exhaust backpressure...

Blorton on 12-09-2008

12-09-2008 11:04 AM
by jimmyblue

2

534

383, back, backpressure, backpresure, car, cars, cat, ls1, lt1, mufflers, preasure, pressure, tech, truck, v8, vehicles

Do our cars need back pressure?

lilblackZ28 on 10-04-2008

10-04-2008 08:31 PM
by Formula350

4

6,182

4cyl, back, backpressure, ls1tech, pressure

will i have enough back pressure

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1 2)

ls1motorsports on 09-01-2008

09-09-2008 03:37 PM
by BillyDaKid

31

1,677

adjustable, backpressure, egr, giffinsperformancecom, install, knocksense, knocksensems, ls1, megasquirt, module, ms, msknocksense, transducer, tuning, turbo, wiring

Knocksense KnocksenseMS for LS1 and Gen 3 Engines. w/ Megasquirt

ForcedInduction on 09-05-2008

09-08-2008 11:52 AM
by Frost

6

3,914

PCM Diagnostics & Tuning

350, back, backpressure, boost, forums, gauge, measure, mustang, noise, pressure, ratio, ratios, reduce, relieve, turbo, turbocharger

Who has tested there turbo back pressure?

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SPRAYED 01 on 05-31-2008

06-04-2008 02:15 PM
by DrTurbo

42

12,416

96, backpressure, code, exhaust, headers, impala, install, long, longtube, louder, make, p0400, ses, ss, trans, tube, z28

SES light after long tube header install

urbanhunter44 on 05-09-2006

05-20-2008 05:28 PM
by smb72

16

6,381

air, back, backpressure, burn, burned, burning, burnt, cool, engine, headers, open, pressure, speedglass, valve, valves

burn a valve with no backpressure?

onebadazzls1ta on 02-13-2008

02-16-2008 06:23 AM
by bigfatls6

7

1,030