CUSTOM MODS

MOD TYPES
click on a mod type to go to the information provided herein
FAQ
AUDIO EXTERIOR
ENGINE INTERIOR
SUSPENSION BRAKES OTHER LINKS

If you find a link that doesn't work or would like to add a link, please contact placer@iwon.com.

Frequently Asked Grand Prix Questions compiled by Jason Penneman
http://www.subatomicdesign.com/gtp/forum/ClubGPFAQ.htm

Audio Mods

Alarm System Diagram by alitaki
http://mywebpages.comcast.net/alitaki/GrandPrix/security.html#1

Audio & Alarm Wiring Guide by ClubGP
http://www.gp-owners.com/audio/wiring.html

Audio Head Units by ClubGP
http://www.gp-owners.com/upgrades/headunits.html

Audio Power Wiring by ClubGP
http://www.gp-owners.com/upgrades/powerwire.html

Audio Upgrades by ClubGP
http://www.gp-owners.com/audio/index.html

Audio Wiring Diagrams by alitaki
http://mywebpages.comcast.net/alitaki/GrandPrix/audio.html

Body Control System Diagrams by alitaki
http://mywebpages.comcast.net/alitaki/GrandPrix/bcm.html

Front Speaker Installation by ClubGP
http://www.gp-owners.com/audio/index.html#front

Interior Power location by alitaki
http://mywebpages.comcast.net/alitaki/GrandPrix/fusetap.html

Subwoofer Box & Installation by jchoefer
http://www.jchoefer.com/gtp/sub/body.shtml

Subwoofer Box Designs by ClubGP
http://www.gp-owners.com/upgrades/subbox

Subwoofer Installation by ClubGP
http://www.gp-owners.com/audio/index.html#sub

BACK TO MOD TYPES


Exterior Mod
s

Air Horn by LaidGP
http://www.laidgp.com/train_horn.htm

Billet Grill Installation by ClubGP
http://www.gp-owners.com/upgrades/billetgrills/

Billet Grill Install by Mike Napurano
http://www.clubgp.com/cgi-asp/mods.asp?modid=5

Blinker Fluid Change by AlanP
http://tacgp.clubgp.com/custom_mods/blinker_fluid/blinker_fluid_change.doc

12" Brake Installation by ClubGP
http://www.gp-owners.com/upgrades/gm12brakes/

Clear Corner Install by Chad Larson
http://www.clubgp.com/cgi-asp/mods.asp?modid=41

Clear Sidemarkers for 88-96 by Daniel Briones
http://www.clubgp.com/cgi-asp/mods.asp?modid=54

Caliper Painting by OQCGP
http://www.oqcgp.com/upgrades/caliper_paint/caliper_paint.php

Clear Corners Installation by MACGP
http://macgp.clubgp.com/howto/clearcorners/clear.html

Daytime Running Lights Disabling by MACGP
http://macgp.clubgp.com/howto/appearance/drl/drl.htm

Debadging by Jerry Homolka
http://www.clubgp.com/cgi-asp/mods.asp?modid=26

Driving Light Installation by pfyc.com
http://www.grandprix.net/upgrades/blazerindex.html

Emergency Strobe Lights by jchoefer
http://www.jchoefer.com/gtp/strobes/body.shtml

Eurotail Install by Chad Larson
http://www.clubgp.com/cgi-asp/mods.asp?modid=42

Foglight Installation (Angel Eye / Hella) by pfyc.com
http://www.grandamgt.com/angeleyeinstall-pfyc.html

Foglight Installation (Blaertech) by pfyc.com
http://www.grandamgt.com/blazerinstall-pfyc.html

Foglights on while Highbeams are on by SCACGP
http://www.scacgp.com/mods/flswitch.htm

Grills (Custom Billet) by James Keltgen
http://www.mncgp.com/Mods/CustomGrills/CustomGrills.pdf

Grill Installation - Homemade by OQCGP
http://www.oqcgp.com/upgrades/grills/grills.php

Halfshaft replacement by jchoefer
http://www.jchoefer.com/gtp/cv/body.shtml

Headlight Conversion for '91 - '96 by Daniel Briones
http://www.clubgp.com/cgi-asp/mods.asp?modid=56

Headlight Cover Design Kit by pfyc.com
http://www.pfyc.com/supportfiles/coollights.pdf

Headlight Sensitivity Adjustment by ZZPerfomance
http://www.zzperformance.com/zzp/free_mods/Auto_Light_Sensitivity.htm

Scratch Repair by David Bynon
http://www.mncgp.com/Detailing/Scratch.htm

Sideview Mirror Blinker Kit Installation by pfyc.com
http://www.pfyc.com/supportfiles/muth.pdf

Spoiler Waterproofing Mod by Dan
http://www.dans-website.com/fix_for_the_rear_wing.htm

Spoiler Waterproofing Mod by OQCGP
http://www.oqcgp.com/upgrades/spoiler_mod/rearspoiler.php

Taillight Flashing Mod by ClubGP
http://www.gp-owners.com/upgrades/rearlite/

Turnsignal Sideview Mirrors by jchoefer
http://www.jchoefer.com/gtp/smirrors/smirrors.jpg

Windshield Lettering Installation by pfyc.com
http://www.pfyc.com/supportfiles/wsdecal.jpg

BACK TO MOD TYPES


Engine Mods

3.4L Airbox Gutting by Lowerd1
http://tacgp.clubgp.com/custom_mods/airbox_gutting/index.html

3.4L Alternator Replacement by 60degreev6.com
http://www.60degreev6.com/index.php?p=pages&pid=4

3.4L Cam Timing by 60degreev6.com
http://www.60degreev6.com/index.php?p=pages&pid=65

3.4L Cold Air Intake by Lowerd1
http://tacgp.clubgp.com/custom_mods/cold_air_intake/index.html

3.4L Throttle Body Polishing by Lowered1
http://tacgp.clubgp.com/custom_mods/throttle_polishing/index.html

3.4L Timing Belt Replacement by 60degreev6.com
http://www.60degreev6.com/index.php?p=pages&pid=6

Air/Fuel Ratio Calibrator by pfyc.com
http://www.pfyc.com/supportfiles/arc2gminst.pdf

Boost Bypass Valve Installation by MCCGP
http://www.mccgp.com/upgrades/boostbypassvalve/boost_bypass.php

Camshaft Installation by MCCGP
http://www.mccgp.com/upgrades/caminstall/caminstall.php

Camshaft Installation (L67) by clubgm.com
http://www.clubgm.com/cam

Case Learn Instructions by Jason
http://www.clubgp.com/cgi-asp/mods.asp?modid=48

Cold Air Induction (SLP) Installation by pfyc.com (3 links)
http://www.pfyc.com/supportfiles/99caip1.jpg
http://www.pfyc.com/supportfiles/99caip2.jpg
http://www.pfyc.com/supportfiles/99caip3.jpg

Cold Air Induction (MSP) Wrapping by Kevin Gwynn
http://www.clubgm.com/wrappingmspcai

Cold Air Induction (Thrasher) Installation by pfyc.com
http://www.pfyc.com/supportfiles/tepcak.pdf

Cold Air Intake Installation - MSP's by MACGP
http://macgp.clubgp.com/howto/cai/cai.html

Cold Air Intake (MSP) by Dan
http://www.dans-website.com/msp_cai.htm

Cold Air Intake by Kevin Skonieczny
http://www.mccgp.com/upgrades/CAIwriteup/cai_writeup.php

Cold Air Intake for '88 - '96 by Daniel Briones
http://www.clubgp.com/cgi-asp/mods.asp?modid=57

Coolant Flush by Jerry Homolka
http://www.clubgp.com/cgi-asp/mods.asp?modid=24

Crossover Pipe Wrapping by OQCGP
http://www.oqcgp.com/upgrades/ex-wrap/ex-wrap.php

Crossover Pipe Wrap by Dan
http://www.dans-website.com/under_hood_temperature_reduction.htm

CV Joint Boot replacement by GM
http://tacgp.clubgp.com/custom_mods/wheel_driveshaft/wheel_driveshaft.doc

CV Joint Replacement by Jashua Gordon
http://www.scacgp.com/mods/axle.htm

Engine Block Prepping for Rebuild by samotorsports.com
http://www.sa-motorsports.com/blockdiy/blkdiy.htm

Engine Bracket Removal by ZZPerformance
http://www.zzperformance.com/zzp/free_mods/enginebrackets.htm

Exhaust Manifold Porting by Walter Gayle
http://tacgp.clubgp.com/custom_mods/porting_manifolds/index.html

Exhaust Upgrade 101 by MCCGP
http://www.mccgp.com/upgrades/exhaust/exhaust_101.php

Fan Switch by OQCGP
http://www.oqcgp.com/upgrades/fanmod_1/fanmod.php

Fenderwell Air Intake by Drew Blanchard
http://tacgp.clubgp.com/custom_mods/fenderwell_air_intake/index.html

Fenderwell Intake by Big Larry
http://tacgp.clubgp.com/custom_mods/fenderwell_intake/index.html

Fenderwell Intake by John Vegas
http://www.johnvegas.com/Fwi.htm

Fenderwell Intake by Ryan Martinez
http://home.centurytel.net/grandprix/fwi/

Fenderwell Intake Installation (Speedbuilt) by pfyc.com
http://www.grandprix.net/upgrades/fwi/

Forced Air Induction by TACGP
http://tacgp.clubgp.com/custom_mods/forced_air_induction/index.html

Fuel Filter Change by pfyc.com
http://www.pfyc.com/supportfiles/gasfilter/

Fuel Injector Cleaning by Dan
http://www.dans-website.com/cleaning_injectors.htm

Fuel Pressure Regulator (Adjustable, Casper) Installation by pfyc.com
http://www.grandprix.net/upgrades/fpr.html

Fuel Pump Resistor Installation by RMCGP
http://rmcgp.clubgp.com/fpresistor.html

Ground Wire Upgrade by www.zzperformance.com
http://www.zzperformance.com/zzp/free_mods/ground_wire_upgrade.htm

Gutted Airbox w/ Fenderwell Intake by John Foley
http://www.clubgp.com/cgi-asp/mods.asp?modid=51

Head Porting by samotorsports.com
http://www.sa-motorsports.com/diyport.htm

Ignition Coil Installation by (Jacoubs) pfyc.com
http://www.pfyc.com/supportfiles/GMDIS.pdf

Ignition System Installation (MSD) by pfyc.com
http://www.pfyc.com/supportfiles/dis4.pdf

L36 Rocker Install by DavidS
http://www.clubgp.com/cgi-asp/mods.asp?modid=34

L36 Rocker Install by NYMCGP
http://www.clubgp.com/cgi-asp/mods.asp?modid=34

Magnuson Nose Drive Installation by SCACGP
http://www.grandprix.net/upgrades/magnuson.html

Magnuson Snout Installation by pfyc.com
http://www.grandprix.net/upgrades/magnuson.html

Motormount Installation (ZZP) by Alan Placer
http://tacgp.clubgp.com/custom_mods/zzp/index.html

O2 Sensor Spoof by OQCGP
http://www.oqcgp.com/upgrades/o2spoof/o2spoof.php

Oil Change by MACGP
http://macgp.clubgp.com/howto/oilchange/oilchange.html

Oil Change by pfyc.com
http://www.pfyc.com/supportfiles/oilchange/oilchange.htm

Oil Change w/ Oversized Filter by ZZPerformance
http://www.zzperformance.com/zzp/info/info_oil_change.htm

Open Cone Air Intake by pfyc.com
http://www.grandprix.net/upgrades/intake.html

PCM tray for '98 to '03 Grand Prixs by raflyer
GM Part# 15995679 - Less then $10.00
http://tacgp.clubgp.com/custom_mods/pcm_trays/index.html

PCM Installation by pfyc.com
http://www.grandprix.net/upgrades/pcminstall.html

PCV Installation for GT by MACGP
http://macgp.clubgp.com/howto/engine/pcv/gt/pcv.html

PCV Installation for GTP by MACGP
http://macgp.clubgp.com/howto/pcv/pcv.html

Performance Shift Button Installation by Rivman
http://www.rivman.com/perfshift.htm

Poly Motormount (ZZP) Antisqueak Mod by Mike Watkins
http://tacgp.clubgp.com/custom_mods/poly_motormount/index.html

Pulley Swap by Pulley Boys
http://www.pulleyboys.com/swap.html

QTEC Exhaust Cutout Install by Jason Penneman
http://www.clubgp.com/cgi-asp/mods.asp?modid=6

Quaife Differential Installation by pfyc.com
http://www.grandprix.net/upgrades/quaifeinstall.html

Rocker Arm Installation by CNCGP
http://cncgp.clubgp.com/performance/rockerinstall.html

RT Downpipe / CAT Installation by MACGP
http://macgp.clubgp.com/howto/rtdownpipe/rtdownpipe.html

Shift Kit Installation by SCACGP
http://www.fastz.com/GTP/GTP_ShiftKit.html

Supercharger Coupler Replacement by Will Rishworth
http://www3.sympatico.ca/aepa/blowerinstall.html

Supercharger Oil Change by Jerry Homolka
http://www.clubgp.com/cgi-asp/mods.asp?modid=13

Thermostat Installation by ClubGP
http://www.gp-owners.com/upgrades/thermostat.html

Thermostat Installation by MACGP
http://macgp.clubgp.com/howto/engine/tstat/tstat.htm

Thermostat Installation by OQCGP
http://www.oqcgp.com/upgrades/thermostat_1/thermost.php

Thermostat Installation by pfyc.com
http://www.pfyc.com/supportfiles/tstat/tstat.htm

Throttle Body Increased Airflow by ZZPerformance
http://www.zzperformance.com/zzp/free_mods/throttlebody.htm

Throttle Body Installation by MCCGP
http://www.mccgp.com/upgrades/throttlebody/throttle_body.php

Throttle Body Screen Removal by ZZPerformance
http://www.zzperformance.com/zzp/free_mods/TB_Screen_Removal.htm

Throttle Body Spacer Installation by Dwayne Noaker
http://www.mccgp.com/upgrades/throttlebodyspacer/throttle_body_spacer.php

Throttle Position Sensor Optimization by OQCGP
http://www.oqcgp.com/forum/kb.php?mode=article&k=33

Top Engine Clean (L67) by Jason Penneman
http://www.clubgp.com/cgi-asp/mods.asp?modid=69

TOG header install by TOG
http://www.theotherguysproducts.com/images/Install380021.pdf

TOG Headers and RT Downpipe Install by Ryan
http://members.aol.com/rcd80/headers.html

Top End Engine Clean for L67 by Brandon Gould
http://www.subatomicdesign.com/gtp/forum/gmtopclean.htm

Transmission Cooler (GM) w/ pics by a bunch of people who's names are on the link!
http://www.geocities.com/fastxtc/gp/auxcooler/

Transmission Cooler (GM) by Matthew Button
http://tacgp.clubgp.com/custom_mods/transmission_cooler/index.html

Transmission Cooler (GM) Installation by pfyc.com
http://www.pfyc.com/supportfiles/transcooler/transcoolerhowto.htm

Transmission Cooler (Flexlite) Installation by pfyc.com
http://www.grandprix.net/upgrades/cooler.html

Transmission Cooler Install (Desert Fox) by Dan
http://www.dans-website.com/msp_desert_fox_transmission_cool.htm

Transmission Cooler Installation (GM model) by pfyc.com
http://www.pfyc.com/supportfiles/transcooler/transcoolerhowto.htm

BACK TO MOD TYPES


Interior Mods

Cabin Air Filter by Luan Zeqollari
http://www.mccgp.com/upgrades/cabinairfilter/air_filter.php

Clogged A/C ducts by Alex Pobuda
http://www.poorformance.net/gtpdrain.shtml

Console Install from Post'97 into Pre-97 by Mike Napurano
http://www.clubgp.com/cgi-asp/mods.asp?modid=49

Fan Switch (Buick Regal) by Kevin
http://www.clubgm.com/fanswitchregal

Guage Install by Dan
http://www.dans-website.com/gauges.htm

Gauge Installation by OQCGP
http://www.oqcgp.com/upgrades/gauges_1/lotek.php

Heads-Up Display Install by CNCGP
http://cncgp.clubgp.com/performance/hudinstall.html

Heated Seat Installation by pfyc.com
http://www.pfyc.com/supportfiles/rostrainstall.pdf

Heated Seats Installation by MCCGP
http://www.mccgp.com/upgrades/heatedseat/patspage.php

Interior Power location by alitaki
http://mywebpages.comcast.net/alitaki/GrandPrix/fusetap.html

Keychain Programming
http://tacgp.clubgp.com/custom_mods/keychain_prog/index.html

Keyfob Programming by GM
http://tacgp.clubgp.com/custom_mods/keyfob/index.html

OnStar GPS tap by unknown
http://members.cox.net/onstar/

Passenger Air Filter install/replacement
http://www.mccgp.com/upgrades/cabinairfilter/air_filter.php

Performance Shift Button Installation by SCACGP
http://www.rivman.com/perfshift.htm

Poly Motormount Installation by xtremeperformancestores.com
http://www.xtremeperformancestores.com/msp_tbv2_mm_install1.htm

Rear Bucket Seat Conversion by Joseph Smith
http://www.clubgp.com/cgi-asp/mods.asp?modid=39

Shift Boot Installation by pfyc.com
http://www.pfyc.com/supportfiles/shifterinstall.html

Shifter Knob Removal / Switchout by MACGP
http://macgp.clubgp.com/howto/shifter/shifter1.html

Steering Wheel Light Replacement by Larry AKA Big L
http://doghouse.2y.net/gtp/steeringcontrols/

Subwoofer Enclosure by Scott Presson
http://www.geocities.com/muzhik24/gpstereo1.html

Throttle Body Porting (L67) by unknown
http://www.clubgm.com/98tbporting

White-faced Guage Installation by pfyc.com
http://www.grandprix.net/upgrades/wfgindex.html

Window Motor Replacement by RMCGP
http://rmcgp.clubgp.com/windowmotor.html

BACK TO MOD TYPES


Suspension Brakes Mods

Airbags by LaidGP
http://www.laidgp.com/wbody_bag_guide.htm

Brake Bleeding by Mike Napurano
http://www.clubgp.com/cgi-asp/mods.asp?modid=7

Brake Caliper Installation (Powerslot) by pfyc.com
http://www.grandprix.net/upgrades/powerslot.html

Brake Caliper Painting by pfyc.com
http://www.pfyc.com/supportfiles/paintkit.doc

Brake Pad Replacement by Jerry Homolka
http://www.clubgp.com/cgi-asp/mods.asp?modid=10

Lowering springs ''pogo'' reduction by Mike Watkins
http://www.clubgp.com/cgi-asp/mods.asp?modid=68

Rotor and Caliper Upgrade to 12" F-Body by Dick Yaeger
http://www.scacgp.com/mods/f-bodybrakes.htm

Spring and Strut Installation by SCACGP
http://www.blairlee.com/grandprix/mods/strutsandsprings.html

Spring and Strut Installation by RMCGP
http://rmcgp.clubgp.com/struts.html

Steering Rack Replacement by Jeremy Flowers
http://tacgp.clubgp.com/custom_mods/steering_rack/index.html

Strut Install by blairlee
http://www.blairlee.com/grandprix/mods/strutsandsprings.html

Strut Tower Bar (Speedbuilt) Installation by pfyc.com
http://www.grandprix.net/upgrades/stbinstall.html

Strut Tower Bars by Dan
http://www.dans-website.com/strut_tower_bars.htm

Strut Tower Brace by Buick Installation by OQCGP
http://www.oqcgp.com/upgrades/stb_1/stb.php

Sway Bar (Front) Installation by pfyc.com
http://www.grandprix.net/upgrades/frontswaybar.html

Traction Control Kill Switch by OQCGP
http://www.oqcgp.com/upgrades/tcs_off/tcs_off.php

BACK TO MOD TYPES


Other Useful Links

Crash Test Ratings for '97-03 by IIHS
http://www.hwysafety.org/vehicle_ratings/ce/html/96027.htm

Engine Performance Calculations by Extreme Auto Parts
http://www.extreme-auto-parts.com/engine-calculator.asp

GM Service Manual Online by General Motors
http://134.39.200.6:9001/home.html

Parts List by ClubGP
http://www.clubgp.com/cgi-asp/partslist.asp

Parts List by mccgp
http://www.mccgp.com/parts.php

Sofachrome font by NCSCGP
http://www.musicaecomputer.com/fonts/sofachrome_italic/english.htm

Torque Specs for Grand Prix's by Wizbang & PrjPerformance
http://tacgp.clubgp.com/custom_mods/torque_specs/index.html

BACK TO MOD TYPES