Forum: 5.3L V8 (LS4)

Available from Model year 2004+


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Sticky Thread Sticky: GXP Owner List - Post Up Here!

Started by jteske88, 04-20-2013
48 Pages
1 2 3 ... 48
Replies: 943
Views: 106,147
10-17-2019 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: 33,329
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: 11,101
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: 11,813
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: 44,539
08-09-2015 Go to last post

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

Started by DirtDog, 04-22-2013
2 Pages
1 2
fog, fusion, gxp, modification
Replies: 24
Views: 16,050
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: 11,975
02-17-2014 Go to last post

Major overhaul need some advice

Started by SchererSHO, 4 Days Ago
attached, body, booster, throttle, underneath
Replies: 1
Views: 79
3 Days Ago Go to last post

Engine Performance Question

Started by Hurricane87, 4 Weeks Ago
absolutely, difference, fuel, performance, produces
Replies: 3
Views: 221
3 Weeks Ago Go to last post
Replies: 3
Views: 240
12-10-2019 Go to last post

Strange Engine Problem

Started by Hurricane87, 10-17-2019
engine, happen, running, shut, things
Replies: 8
Views: 528
11-10-2019 Go to last post

2007 GP GXP - Tranny rebuild

Started by DrParmeJohnson, 11-05-2019
car, gxp, iím, rebuild, shop
Replies: 9
Views: 280
11-08-2019 Go to last post

Super/pro charger kits??

Started by jay07, 12-28-2016
Replies: 9
Views: 814
11-08-2019 Go to last post

Odd tranny problem

Started by Wyguy118, 10-29-2019
back, car, problem, started, transmission
Replies: 2
Views: 178
10-30-2019 Go to last post

DoD disable...but why?

Started by Altairus, 03-21-2017
Replies: 14
Views: 1,710
10-16-2019 Go to last post

Flushing Coolant System

Started by bocoogto, 09-11-2019
Replies: 11
Views: 597
09-19-2019 Go to last post

engine code P0300

Started by SgtMarshal, 09-13-2019
code, disabled, engine, p0300, started
Replies: 3
Views: 245
09-13-2019 Go to last post

LS4 Build, what to buy?

Started by 05GXPBeast, 01-21-2017
8 Pages
1 2 3 ... 8
Replies: 142
Views: 14,967
07-29-2019 Go to last post

LS4 Oil Pressure Dilemma

Started by bocoogto, 04-09-2019
Replies: 15
Views: 2,794
06-02-2019 Go to last post

Starter just clicks won't spin

Started by 05GXPBeast, 03-10-2019
battery, clicks, good, hooked, starter
Replies: 5
Views: 1,985
03-10-2019 Go to last post

Grand Prix GXP build questions

Started by DTJ122389, 02-18-2019
$25, grand, gxp, prix, start
Replies: 10
Views: 2,507
02-20-2019 Go to last post

Oil Filter Choices

Started by bocoogto, 01-03-2019
filter, fit, found, recommended, short
Replies: 8
Views: 2,402
02-04-2019 Go to last post

LS4 Oil.

Started by GXDEMON, 01-07-2019
0w30, colder, oil, people, running
Replies: 5
Views: 2,064
01-11-2019 Go to last post

Wiring Harness Routing GXP

Started by wstefan20, 11-21-2018
gxp, harness, pictures, routing, wiring
Replies: 2
Views: 1,908
11-23-2018 Go to last post

TB Adapters for swapped intakes

Started by SDGTP99, 06-09-2018
adapter;, appreciated, needed, suggestions, wondering
Replies: 5
Views: 2,210
11-23-2018 Go to last post

Harmonic Balancer

Started by GXDEMON, 11-13-2018
balancer, balancers, good, harmonic, upgraded
Replies: 4
Views: 2,041
11-13-2018 Go to last post

Advice for dropping tranny

Started by SDGTP99, 06-21-2018
advice, basic, dropping, found, tranny
Replies: 7
Views: 2,356
08-06-2018 Go to last post

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