Forum: 5.3L V8 (LS4)

Available from Model year 2004+

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Iceman6669 (The Boss)
12-20-2017
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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
fights, girl, growing, grown, gxp, home, list, listits, onlygxp, onlyhi, onlyteenage, owner, style, yall 8 Attachment(s)
Replies: 945
Views: 241,129
LSCHERRY4
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: 69,836
SDGTP99
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: 30,958
SDGTP99
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: 27,623
bigbird90650
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: 84,536
HighOctaneRacing
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: 34,760
DirtDog
09-09-2014 Go to last post

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

Started by 91parkave, 02-13-2013
installed, ls7, maf 2 Attachment(s)
Replies: 16
Views: 30,184
91parkave
02-17-2014 Go to last post

Overkill tuning

Started by jay07, 02-23-2017
Replies: 11
Views: 2,515
chibiblacksheep
02-24-2017 Go to last post

reducing burst knock

Started by SgtMarshal, 02-20-2017
Replies: 12
Views: 2,538
Fivefingerdeathpunch
02-22-2017 Go to last post

Whats the best Exhaust system for my 2007 gxp v8

Started by dromero1019, 01-03-2017
exhaust system
Replies: 13
Views: 6,189
SgtMarshal
02-18-2017 Go to last post

Brandon Furches LS4 downpipe

Started by SgtMarshal, 02-12-2017
Replies: 0
Views: 1,131
SgtMarshal
02-12-2017 Go to last post

Wheels

Started by jay07, 02-04-2017
Replies: 12
Views: 2,230
jay07
02-10-2017 Go to last post

2007 GP GXP AC Keeps getting disabled. Temp gauge erratic but not showing Hot

Started by stotzbotz, 02-07-2017
Replies: 2
Views: 3,035
SgtMarshal
02-10-2017 Go to last post

mechanical dod delete

Started by SgtMarshal, 01-18-2017
Replies: 6
Views: 2,605
blueguy
01-18-2017 Go to last post

Harmonic Balancer

Started by savage228, 01-13-2017
balancer, gxp, wobble
Replies: 2
Views: 1,653
LeadfootCJ7
01-16-2017 Go to last post

I saw this for sale and wondered if it was any good

Started by SgtMarshal, 01-14-2017
Replies: 4
Views: 1,077
SgtMarshal
01-14-2017 Go to last post

**Overkill LS4 Intake Manifold Upgrade**

Started by Overkill, 08-08-2015
2 Pages •
1 2
1 Attachment(s)
Replies: 20
Views: 14,765
blueguy
01-06-2017 Go to last post

New to me 2008 Grand Prix GXP (LS4) with questions

Started by SgtMarshal, 12-24-2016
2 Pages •
1 2
Replies: 33
Views: 4,935
ItHurtz
01-05-2017 Go to last post
Lightbulb

More Power!! Advice? Help? Suggestions?

Started by jay07, 12-26-2016
2 Pages •
1 2
Replies: 27
Views: 3,718
91parkave
12-30-2016 Go to last post

Wheels

Started by jay07, 12-28-2016
Replies: 12
Views: 1,819
stealthee
12-29-2016 Go to last post

GXP Sand Car project

Started by tonka329, 12-09-2016
3 Pages •
1 2 3
Replies: 47
Views: 7,365
tonka329
12-22-2016 Go to last post
Question

Rack and Pinon replacement

Started by jay07, 12-02-2016
Replies: 8
Views: 1,411
Swiggles
12-06-2016 Go to last post

Radiator Overflow tank

Started by Ziggygmc, 11-30-2016
Replies: 5
Views: 1,342
blueguy
12-01-2016 Go to last post

New (to me) '08 GP GXP

Started by cornflakes99, 11-14-2016
Replies: 4
Views: 987
cornflakes99
11-15-2016 Go to last post
Smile

Better Fuel Mileage??

Started by jay07, 11-05-2016
Replies: 14
Views: 3,065
jay07
11-09-2016 Go to last post

Tension pulley

Started by 0GXP5, 02-18-2014
Replies: 6
Views: 1,395
CliftonCockrell
11-08-2016 Go to last post

2008 grand Prix gxp clicking noise

Started by Letsridegxp, 10-17-2016
Replies: 2
Views: 1,479
Letsridegxp
10-18-2016 Go to last post
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