Engine Tuning | Pontiac GTO Forum

Repair list getting shorter for my 65 389 tri-power

18

1K

Southern California 8-3-22

4

685

Ported vacuum versus manifold vacuum

4

1K

dcr/octane reqirement

10

609

MS3 pro with factory cluster

0

243

by Performancesmith

Hp tuner needed

0

421

66 GTO Bobcat Ignition Question

6

623

by amac65

knuckleheadedness

6

1K

by pontiachristopher

Initial and total timing

1

787

Tuning my GTO 389 V8

2

719

by jLo

Timing advance going wrong direction

6

2K

AEM EMS V2 SUPRA PLUGIN A/T Maps

0

571

by Cruz22

Tuning to get rid of limiters/ governor?

3

962

Need help what part is this 71 t37

5

1K

Timing

3

857

by integrity6987

Cold air intake

5

3K

by GTO44

Opening distributor

3

1K

Connecting wideband to mpvi2

0

673

New lifters on Cam install? Preload?

0

571

by New Goat Kid

Engine missing in drive

3

587

Problems at starting.

0

506

Carb too big??

2

1K

Another Quadrajet Secondary bog question.

5

5K

by bigD

2005 GTO with diablosport tune

16

23K

by HP11

Spark plugs

0

1K

Lesson Learned (ouch)

2

2K

2005 LS2 M6 cammed and supercharged rich condition

1

2K

Car stalls when giving it throttle off the line

0

907

by Charlie Ashby

72 GTO tuning issues

11

2K

Carb and Ignition tuning

0

1K

by Dave N Laura Chomyn

How do you know if the rear o2 sensors are tuned off

1

1K

by Shake-N-Bake

HP Tuners in VA? Would appreciate a tuner or someone with the tool

0

1K

by cynicslullaby

Wideband O2 when tuning?

0

1K

by cynicslullaby

Any pointers on rebuilding tripower carbs? Can any of you wise ole gto owls help ?

1

2K

Max Whp

0

2K