Performance & Fuel | GM Truck Club Forum

Programmers & Tuning

Dial-in your truck with a programmer or a custom tune. Let the friendly discussion continue on here.

856

461K

2 mo ago

856

461K

2 mo ago

Sticky What Do Cold Air Intakes REALLY Do?

2 3 4

62

15K

Sticky Warning on E15 fuel. Corrosive and dangerous for older cars and trucks. (Video)

2 3

41

15K

by Cowpie

Sticky What do you pay for gas? Gas Prices Survey

86 87 88

2K

332K

Sticky Ultimate MPG guide - Check Expected Mileage (Pleas enter your verified mpg info)

4 5 6

106

119K

Sticky The Magnuson-Moss Warranty Act

2 3

48

28K

by summitwhite11

Sticky What's your MPG?

30 31 32

621

119K

Sticky How to shop for an intake

2

26

24K

Sticky Info on Throttle Body Spacers

5

9K

Sticky Aftermarket Air Flow Sensors and Descreening

6

9K

My 4.8 needs more power. Help Me

14

81K

by Benn

7.4L tbi + fuel problems...injectors dump gas (full open delivery)

2

22

30K

by Napoleon Solo

Speed limiter delete??

6

222

by kennythewelder

70 Chevy c-10 350

1

97

by RayVoy

15

40K

Tuning question

11

525

Best spark plug/Wire combo??

9

32K

Swap out my 6.0 or upgrade/rebuild ?

0

162

Has any one been to the track

4

964

Tuner compatibility

0

211

Fuel lean and misfire

0

272

by 96chevy Kevin

Rough idle and jerking

2

267

Where’s this fuel smell coming from near the back?

6

502

2014 Silverado Rough Idle

5

525

Fuel filling issue

10

1K

by HighVoltBurns1

Captiva Ecotec engine - E85 or E20 ?

1

188

My 2016 GMC TRUCK WAS TAKEN OVER BY BIG BROYHER

2

289

by ChevyCadillac57

Intermittent Starting Problem

3

203

1994 Oldsmobile Bravada Hard Start and Slow

11

654

egr valve explanation

8

5K

2005 Yukon All the Sudden takes forever to fill up with fuel

2

192

How to disconnect Fuel Injector connectors

1

20K

Burnout Problem

2

36

9K

by Landon williamson

Fuel filter micron rating?

2

884

Back pressure while putting gas in cuts off nozzle

10

1K

4.3 running rich, dies

5

532

4.8 exhaust system

1

511

by silverado002

4.8L with 3.42 gears recommended performance upgrades?

6

24K

1989 K-1500 TBI makes electrical shorting sound when warmed up

8

435

by silverado002

Yukon XL 2500 8.1 raylar towing cam

5

981

by Rebel_Bowtie

13

585

The E85 Experiment

9

993

by Cowpie

OK, this is purely simple performance Question " Air filters

13

555

by BornAgainBiker55

1998 5.7 stumbles above 2k rpm after head gaskets replaced

0

229

by Modelaratrod

HP Tuners - Video Guides (DIY Tuning)

7

795