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Headers and Tune = MPG?

Started by RCND, 05-04-2011 08:43 PM

Replies: 5
Views: 1,384

Last Post By:: Last Post: 05-04-2011 11:22 PM; by matt5112

Forum:
General Tech Discussion

exhaust/ and mpg

Started by Tone10, 04-13-2011 11:30 PM

Replies: 8
Views: 1,780

Last Post By:: Last Post: 04-29-2011 05:18 PM; by GMGUY

Forum:
5.3L V8 (LS4)

13 mpg?

Started by Heretikos, 04-12-2011 01:11 PM

Replies: 7
Views: 870

Last Post By:: Last Post: 04-12-2011 07:19 PM; by matt5112

Forum:
General Tech Discussion

Idle is going up & down... sometimes !

Started by 9ordohz, 03-22-2011 03:32 AM

Replies: 3
Views: 989

Last Post By:: Last Post: 03-25-2011 01:30 PM; by 9ordohz

Forum:
General Tech Discussion

Bad surprises w/ header install :( abs/tcs light.. Crappy mpg, misfires :(

Started by 9ordohz, 03-17-2011 03:49 AM

abs or tcs, bad, crappy, header, install, light, misfires, mpg, surprises, w or

Replies: 18
Views: 2,958

Last Post By:: Last Post: 03-24-2011 02:07 AM; by taman86

Forum:
General Tech Discussion

Post up your Average MPG

Started by Whiplash Performance, 01-06-2011 12:03 PM

5 Pages •: 1 2 3 ... 5

Replies: 88
Views: 8,808

Last Post By:: Last Post: 03-19-2011 10:46 AM; by MrTube

Forum:
3.8L V6 Naturally Aspirated (L36)(L26)

whats peoples average mpg on 3.4 setup?

Started by Joe m, 02-19-2011 09:58 PM

6 Pages •: 1 2 3 ... 6

Replies: 104
Views: 9,331

Last Post By:: Last Post: 03-06-2011 08:32 PM; by gtpinsc

Forum:
3.8L V6 Supercharged (L67)(L32)

why am i getting the mpg that i am????

Started by aj510, 02-21-2011 01:24 PM

Replies: 12
Views: 857

Last Post By:: Last Post: 02-22-2011 07:27 AM; by BillBoost37

Forum:
3.8L V6 Supercharged (L67)(L32)

Traction Control MPG??

Started by Importz, 02-12-2011 03:14 PM

Replies: 3
Views: 2,259

Last Post By:: Last Post: 02-12-2011 06:34 PM; by FoSHO99

Forum:
General Tech Discussion

Car getting horrible MPG

Started by Mercenary, 06-05-2009 02:01 PM

5 Pages •: 1 2 3 ... 5

Replies: 88
Views: 8,814

Last Post By:: Last Post: 02-02-2011 10:42 PM; by Doc Banger

Forum:
General Tech Discussion

Running 2002 GTP w/o cat = bad MPG???

Started by motoshrump, 01-12-2011 10:17 PM

2002, bad, cat, gtp, mpg, running, w or o

Replies: 9
Views: 2,069

Last Post By:: Last Post: 01-14-2011 05:15 PM; by Ricky21

Forum:
3.8L V6 Supercharged (L67)(L32)

Mileage Increase

Started by TheAce144, 01-04-2011 04:14 PM

Replies: 7
Views: 1,591

Last Post By:: Last Post: 01-05-2011 02:11 PM; by 01gpgt01

Forum:
3.8L V6 Supercharged (L67)(L32)

Bad MPG

Started by ndgprix, 12-30-2010 04:10 PM

Replies: 2
Views: 636

Last Post By:: Last Post: 12-30-2010 04:18 PM; by noreasonwhyy

Forum:
General Tech Discussion

17.8 mpg?

Started by gtcoup, 12-22-2010 11:22 PM

Replies: 14
Views: 1,370

Last Post By:: Last Post: 12-25-2010 06:09 PM; by tannerstap

Forum:
General Tech Discussion

lost mpg

Started by angie, 12-17-2010 01:30 PM

Replies: 4
Views: 1,262

Last Post By:: Last Post: 12-20-2010 10:59 PM; by angie

Forum:
General Tech Discussion

Terrible MPG.. Any suggestions?

Started by ddrum, 10-01-2010 12:01 AM

2 Pages •: 1 2

Replies: 25
Views: 2,948

Last Post By:: Last Post: 10-22-2010 02:18 PM; by blueguy

Forum:
3.8L V6 Naturally Aspirated (L36)(L26)

MPG's NOT where they should be

Started by brandonl2000, 09-11-2010 09:16 PM

Replies: 2
Views: 623

Last Post By:: Last Post: 09-11-2010 09:44 PM; by brandonl2000

Forum:
General Tech Discussion

Good MPG

Started by IR II IP IDEATH, 02-22-2010 12:02 AM

2 Pages •: 1 2

Replies: 27
Views: 3,695

Last Post By:: Last Post: 07-31-2010 03:51 PM; by IR II IP IDEATH

Forum:
5.3L V8 (LS4)

poor MPG after tune up

Started by christopher8911, 07-12-2010 03:13 PM

2 Pages •: 1 2

Replies: 21
Views: 1,972

Last Post By:: Last Post: 07-22-2010 06:20 PM; by Smokin2000gtp

Forum:
General Tech Discussion

Bad Wheel Bearing/Hub.. does this effect MPG?

Started by azmattaz06, 06-06-2010 06:09 AM

Replies: 6
Views: 4,835

Last Post By:: Last Post: 06-07-2010 02:41 AM; by azmattaz06

Forum:
3.8L V6 Supercharged (L67)(L32)

mods for mpg's

Started by uti grand prix, 07-09-2008 08:08 AM

2 Pages •: 1 2

Replies: 34
Views: 6,915

Last Post By:: Last Post: 05-05-2010 11:23 AM; by SlowNA06

Forum:
3.8L V6 Naturally Aspirated (L36)(L26)

More H.P. and MPG?

Started by jbarry, 04-29-2010 02:40 PM

Replies: 6
Views: 631

Last Post By:: Last Post: 04-30-2010 11:51 AM; by RadnichGTP

Forum:
Introductions/Noob Questions

WHATS GOING ON WITH MY mpg???? please look!!

Started by azmattaz06, 03-04-2010 09:41 PM

Replies: 4
Views: 918

Last Post By:: Last Post: 03-05-2010 01:52 AM; by Vegas~Blown

Forum:
3.8L V6 Supercharged (L67)(L32)

06 GT 3.8 sc series III better mpg?

Started by crumbut, 12-13-2009 11:14 PM

Replies: 6
Views: 1,600

Last Post By:: Last Post: 12-14-2009 09:45 PM; by Perry125

Forum:
3.8L V6 Supercharged (L67)(L32)

Tranny Upgrade Results: HP Tuners, Torque Management, MPG

Started by nmp0098, 11-08-2009 08:52 PM

management, mpg, results, surviving, tep, torque, tranny, transmission, tuners, upgrade, week

Replies: 18
Views: 5,031

Last Post By:: Last Post: 12-11-2009 11:22 AM; by blowfishRus6

Forum:
5.3L V8 (LS4)

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Headers and Tune = MPG?

exhaust/ and mpg

13 mpg?

Idle is going up & down... sometimes !

Bad surprises w/ header install :( abs/tcs light.. Crappy mpg, misfires :(

Post up your Average MPG

whats peoples average mpg on 3.4 setup?

why am i getting the mpg that i am????

Traction Control MPG??

Car getting horrible MPG

Running 2002 GTP w/o cat = bad MPG???

Mileage Increase

Bad MPG

17.8 mpg?

lost mpg

Terrible MPG.. Any suggestions?

MPG's NOT where they should be

Good MPG

poor MPG after tune up

Bad Wheel Bearing/Hub.. does this effect MPG?

mods for mpg's

More H.P. and MPG?

WHATS GOING ON WITH MY mpg???? please look!!

06 GT 3.8 sc series III better mpg?

Tranny Upgrade Results: HP Tuners, Torque Management, MPG