Performance (Moderators: mfewtrail, LukeZ34)

After Market Spark Plugs

Started by RareGMFan

Replies: 5
Views: 2,596

December 14, 2003, 11:02:48 PM
by brian89gp

This car is finally fun now that I put a Boost valve on!

Started by Tooky

Replies: 3
Views: 2,594

December 28, 2002, 04:44:50 PM
by GPChief

fuel pump

Started by meltboy11

Replies: 6
Views: 2,594

August 22, 2007, 10:49:57 PM
by mfewtrail

EGT Gauges

Started by Invasion1

Replies: 5
Views: 2,555

April 19, 2004, 08:18:14 AM
by maximage

PCV valve? maybe?please help!

Started by m6amba

Replies: 5
Views: 2,553

January 09, 2003, 04:43:28 PM
by m6amba

Pre-Production Upper Intake Manifold???

Started by 90TGP

Replies: 7
Views: 2,547

December 30, 2003, 08:44:24 AM
by turby

My front mount intercooler project is slowly coming together

Started by 90TGP

Replies: 6
Views: 2,545

April 09, 2004, 05:07:05 PM
by RedZMonte

upper plenum sensor?

Started by GangstGP

Replies: 5
Views: 2,539

May 01, 2005, 11:29:53 AM
by Bossman429

Got my FFP 3.1 Underdrive pully installed!!!

Started by 90TGP

Replies: 5
Views: 2,536

May 02, 2003, 08:26:20 AM
by GPChief

Ecm pin out

Started by TurboGTU

Replies: 4
Views: 2,533

December 29, 2002, 08:45:35 PM
by TurboGTU

Replacing the Front Valance

Started by R Dubya

Replies: 6
Views: 2,523

December 25, 2003, 08:40:30 PM
by Chris A

IC heat Shield?

Started by RedZMonte

Replies: 5
Views: 2,521

April 22, 2004, 02:23:59 PM
by 90TGP

miss

Started by 90grandprixstet

Replies: 4
Views: 2,519

August 05, 2007, 10:52:55 PM
by 90grandprixstet

TGP manifolds bolt right up to 3400 heads right???

Started by Bullet

Replies: 3
Views: 2,512

June 15, 2008, 11:29:41 AM
by dbtk2

Spark Plugs

Started by visusens

Replies: 4
Views: 2,503

January 21, 2003, 01:03:36 PM
by visusens

Need part # for a GM style 3 wire (heated) o2 sensor

Started by corvette

Replies: 0
Views: 2,502

July 23, 2002, 08:30:09 PM
by corvette

Strut Tower Brace & Crank Sensor

Started by JTOWNPATGP

Replies: 5
Views: 2,499

May 05, 2003, 11:58:02 AM
by R Dubya

what is the most hp out of a t25 so far?

Started by no_doz

Replies: 1
Views: 2,486

September 11, 2009, 11:01:33 PM
by killinprixs

A couple exhaust questions...

Started by z284pwr

Replies: 4
Views: 2,486

September 13, 2005, 04:25:50 PM
by tyroelite

Oil Pump parts number???

Started by 90TGP

Replies: 5
Views: 2,479

August 06, 2003, 07:11:20 PM
by Chris A