Vortec 8100 8.1L V8 | Chevy Silverado and GMC Sierra Forum

4.8LS to 8.1 Big Block

5

310

by 58nate

2001 Silverado 2500HD 8.1 Special radiator for Allison 5 Speed ?

2

252

NEW here! Question on towing

6

480

8.1L oil consumption fix?

2

21

12K

High mileage

7

20K

6.0 to 8.1 engine swap

2

20

23K

by davester3500

8.1L new fuel pump replacement not working

6

632

Throttle body upgrade

4

837

by Manny

8.1 plugs changed and here's what I found....what say you?

0

651

by tino84

P0101 code

3

579

Any help would be helpful. Im at a complete loss.

16

1K

by RSMII

8.1L Misfires after warm up

3

4K

by norescojason

Limp mode problem. Reduce power.

3

956

by Leveled17yeti

Ethanol

7

1K

by Tenho

The great down grade swap

2

999

Vortec 8.1 liter motor mounts

3

1K

2004 Silverado 3500 8.1L

14

1K

2002 8.1L throttle issues!!

13

17K

by Dakotahmartin98

Oil return quick connect

1

882

by CarParts.com

Which Black Widow Muffler ?

1

806

ECM -or- Edge Gas Evolution CS Programmer ?????

7

5K

P1221 Reduce power

6

3K

by CarParts.com

P1515 reduced power

2

2K

by Russ 2001 2500HD

8.1L Performance Parts

14

68K

Oil pressure sending unit screen?

0

803

Very odd electronical problem...help or junk

13

1K

8.1 Engine noises

7

2K

8.1 Vortec no power, miss at idle

2

897

New oil pressure sensor, same problem

1

752

by davester3500

Oil pressure Gauge fluctuates when idle and when driving

12

14K

8.1 swap into a 2010 1500 z71

2

21

15K

2002 2500hd 8.1 to 2003 2500hd 8.1swap

6

1K

New to forum

9

1K

Rough Idle/Surging/No Power

2

1K

8.1 random no start

5

1K