Forum: 5.3L V8 (LS4)

Available from Model year 2004+

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Sticky Thread Sticky: GPF.com GXP Owner List - Post Up Here!

Started by jteske88, 04-20-2013
48 Pages
1 2 3 ... 48
Replies: 945
Views: 240,717
03-16-2021 Go to last post

Sticky Thread Sticky: *HOW TO* LS6 Intake Manifold Swap

Started by nmp0098, 11-25-2009
2 Pages
1 2
dod, intake, ls6, manifold, retained, successful, swap
Replies: 31
Views: 69,740
11-24-2018 Go to last post

Sticky Thread Sticky: LS2 Throttle Body Install

Started by 91parkave, 04-12-2013
2 Pages
1 2
install, ls2
Replies: 20
Views: 30,909
06-13-2018 Go to last post

Sticky Thread Sticky: *PICS* Oil Catch Can Install

Started by 91parkave, 01-05-2013
catch, install, oil
Replies: 18
Views: 27,571
02-15-2016 Go to last post

Sticky Thread Sticky: *HOW TO* LS4 Transmission Cooler Install

Started by DirtDog, 07-20-2013
3 Pages
1 2 3
cooler, grand, gxp, install, prix, transmission
Replies: 54
Views: 84,423
08-09-2015 Go to last post

Sticky Thread Sticky: *HOW TO* Ford Fusion Fog's for GXP

Started by DirtDog, 04-21-2013
2 Pages
1 2
fog, fusion, gxp, modification
Replies: 24
Views: 34,715
09-09-2014 Go to last post

Sticky Thread Sticky: *HOW TO* LS7 Mass Air Flow

Started by 91parkave, 02-13-2013
Replies: 16
Views: 30,138
02-17-2014 Go to last post

Neutral Safety Switch?

Started by 0GXP5, 03-24-2014
2 Pages
1 2
Replies: 24
Views: 3,359
03-25-2014 Go to last post

Miles per gallon gxp

Started by Alsafi92, 01-09-2013
2 Pages
1 2
gallon, gxp, miles
Replies: 23
Views: 6,215
03-18-2014 Go to last post

06 Grand prix GXP rev/misfire issue???

Started by Derickgxp, 03-08-2014
2 Pages
1 2
gxp, ls4, misfire
Replies: 28
Views: 8,776
03-17-2014 Go to last post

Is this dude on here?

Started by mudneck4, 05-25-2013
2 Pages
1 2
dude
Replies: 23
Views: 4,009
03-16-2014 Go to last post
Question

Horrible gas mileage for my 06 GXP

Started by rguy200073, 11-21-2012
3 Pages
1 2 3
Replies: 41
Views: 8,307
03-13-2014 Go to last post

Any way to reduce rear sag?

Started by Rnungaray08, 03-06-2014
Replies: 7
Views: 1,312
03-06-2014 Go to last post

What do you think of this.....

Started by rguy200073, 02-16-2014
Replies: 13
Views: 1,605
03-06-2014 Go to last post
Replies: 4
Views: 1,793
03-06-2014 Go to last post

Changed Spark Plugs Today!!

Started by sschwaeble93, 02-09-2014
2 Pages
1 2
Replies: 21
Views: 5,750
02-28-2014 Go to last post

Ported TB

Started by ThaUnknownOne, 02-27-2014
Replies: 1
Views: 1,296
02-27-2014 Go to last post

I know this has been asked before, mufflers???

Started by WIJAKE, 06-08-2013
2 Pages
1 2
asked, mufflers
Replies: 21
Views: 5,174
02-19-2014 Go to last post

Rear struts

Started by Rnungaray08, 01-28-2014
Replies: 4
Views: 2,245
02-06-2014 Go to last post

low compression on number 5

Started by chrisferguson84, 02-03-2014
Replies: 8
Views: 1,823
02-04-2014 Go to last post

Battery Volts? LS4

Started by bluelinev8, 01-21-2014
Replies: 4
Views: 1,506
01-21-2014 Go to last post
Replies: 7
Views: 1,229
01-18-2014 Go to last post
Replies: 12
Views: 4,068
01-12-2014 Go to last post
Replies: 3
Views: 1,111
01-12-2014 Go to last post

Misfire

Started by GXPrunner06, 01-10-2014
Replies: 4
Views: 1,299
01-12-2014 Go to last post
Replies: 1
Views: 2,284
01-12-2014 Go to last post

OVERKILL vs Cortex tuner

Started by HuckGXP, 11-17-2013
Replies: 7
Views: 2,787
01-09-2014 Go to last post

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