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  1. Announcement:
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    Rocket468 (Administrator)
    01-02-2008
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Page 1 of 27 12311 ... LastLast
Threads 1 to 20 of 535

Forum: 5.3L V8 (LS4)

Available from Model year 2004+

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

    Started by jteske88, 04-20-2013
    46 Pages
    1 2 3 ... 46
    • Replies: 917
    • Views: 53,424
    12-28-2016 Go to last post
  2. Sticky Thread Sticky: *PICS* Oil Catch Can Install

    Started by 91parkave, 01-05-2013
    catch, install, oil
    • Replies: 18
    • Views: 4,898
    02-15-2016 Go to last post
  3. 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: 25,213
    08-09-2015 Go to last post
  4. 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: 24
    • Views: 19,740
    10-11-2014 Go to last post
  5. 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: 6,819
    09-09-2014 Go to last post
  6. Sticky Thread Sticky: *HOW TO* LS7 Mass Air Flow

    Started by 91parkave, 02-13-2013
    • Replies: 16
    • Views: 4,956
    02-17-2014 Go to last post
  7. Sticky Thread Sticky: LS2 Throttle Body Install

    Started by 91parkave, 04-12-2013
    install, ls2
    • Replies: 14
    • Views: 3,686
    10-13-2013 Go to last post
  1. Overkill tuning

    Started by jay07, 2 Days Ago
    • Replies: 11
    • Views: 193
    1 Day Ago Go to last post
  2. reducing burst knock

    Started by SgtMarshal, 5 Days Ago
    • Replies: 12
    • Views: 198
    3 Days Ago Go to last post
    • Replies: 13
    • Views: 505
    1 Week Ago Go to last post
  3. LS4 Build, what to buy?

    Started by 05GXPBeast, 01-21-2017
    • Replies: 8
    • Views: 471
    1 Week Ago Go to last post
  4. Brandon Furches LS4 downpipe

    Started by SgtMarshal, 1 Week Ago
    • Replies: 0
    • Views: 78
    1 Week Ago Go to last post
  5. Wheels

    Started by jay07, 3 Weeks Ago
    • Replies: 12
    • Views: 363
    2 Weeks Ago Go to last post
  6. mechanical dod delete

    Started by SgtMarshal, 01-18-2017
    • Replies: 6
    • Views: 259
    01-18-2017 Go to last post
  7. Harmonic Balancer

    Started by savage228, 01-13-2017
    balancer, gxp, wobble
    • Replies: 2
    • Views: 245
    01-16-2017 Go to last post
    • Replies: 4
    • Views: 244
    01-14-2017 Go to last post
  8. **Overkill LS4 Intake Manifold Upgrade**

    Started by Overkill, 08-08-2015
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,941
    01-06-2017 Go to last post
  9. New to me 2008 Grand Prix GXP (LS4) with questions

    Started by SgtMarshal, 12-24-2016
    2 Pages
    1 2
    • Replies: 33
    • Views: 1,158
    01-05-2017 Go to last post
  10. Lightbulb More Power!! Advice? Help? Suggestions?

    Started by jay07, 12-26-2016
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,045
    12-30-2016 Go to last post
  11. Wheels

    Started by jay07, 12-28-2016
    • Replies: 12
    • Views: 471
    12-29-2016 Go to last post
  12. Super/pro charger kits??

    Started by jay07, 12-28-2016
    • Replies: 5
    • Views: 275
    12-29-2016 Go to last post
  13. GXP Sand Car project

    Started by tonka329, 12-09-2016
    3 Pages
    1 2 3
    • Replies: 47
    • Views: 1,606
    12-22-2016 Go to last post
  14. Question Rack and Pinon replacement

    Started by jay07, 12-02-2016
    • Replies: 8
    • Views: 414
    12-06-2016 Go to last post
  15. 2005 GXP loud tick WITH VIDEO

    Started by 05GXPBeast, 09-19-2016
    2005 grand prix, gxp 5.3, loud tick, low oil pressure, ls4
    • Replies: 12
    • Views: 1,007
    12-05-2016 Go to last post
  16. Radiator Overflow tank

    Started by Ziggygmc, 11-30-2016
    • Replies: 5
    • Views: 263
    12-01-2016 Go to last post
  17. New (to me) '08 GP GXP

    Started by cornflakes99, 11-14-2016
    • Replies: 4
    • Views: 312
    11-15-2016 Go to last post

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