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View Full Version : 2000 grand prix GTP ideas??



its_a_sleeper
04-01-2013, 12:20 AM
Recently bought a 20000 grand prix with 3800 supercharged motor. car has its issues and i wanna tackle them all. rear seat only the middle folds down. im lookin at putting 2 12" subs in there this year. either brand new Memphis PR or used DD 0512. either way i want the most out of them. ill be running a hifonics brutus 2000w, 2-4 gauge, jvc head unit, and 2 caps at first but switching to kinetik at some point.

i looked for a GP build and didnt see any... any ideas on box design, build ideas, etc....

gckless
04-01-2013, 12:25 AM
Whatever you do, keep it light. Large cone area so you need less power, which equals less electrical (batts, alts, and power-robbing drain). Focus of the car should be it's power.

its_a_sleeper
04-01-2013, 12:27 AM
yea i wanna do car shows again in the next couple years so i figured i would start small with 2 12s and work on the motor.... lol

its_a_sleeper
04-05-2013, 03:48 PM
...

garretttt4
04-05-2013, 05:17 PM
Maybe port through the rear deck since you can't fold down your back seats? I always thought that was so cool for some reason... Lol

jteske88
04-05-2013, 09:00 PM
Do me a favor and head over to grandprixforums.net, also a member there and there is great info and people over there.

gckless
04-05-2013, 10:04 PM
thats... not what id wanna draw attention to.. its 240 hp.

Oh ****, seen supercharged and figured more. But nope, 240hp is what you're getting. OP, make sure you use premium gas too.

mclerico83
04-05-2013, 10:38 PM
Oh ****, seen supercharged and figured more. But nope, 240hp is what you're getting. OP, make sure you use premium gas too.

Supercharged is so easy to boost power. I wouldn't use anyone but intense racing drop the pully and most important get a reprogrammed pcm. Some bigger injectors. And a cam and rockers. Under a Grand in parts you will have some real nice power.

its_a_sleeper
04-05-2013, 11:01 PM
Do me a favor and head over to grandprixforums.net, also a member there and there is great info and people over there.

i recently joined the site but havent explored yet. thanks tho

its_a_sleeper
04-05-2013, 11:05 PM
thats... not what id wanna draw attention to.. its 240 hp.

my manual says factory HP is 271..... its not alot but it still will throw ya back. lol. i already did a cold air intake and 3" exhaust but i did glass packs to minimize noise a lil bit. should be right around 300 HP if my mechanics are correct.

its_a_sleeper
04-05-2013, 11:09 PM
Supercharged is so easy to boost power. I wouldn't use anyone but intense racing drop the pully and most important get a reprogrammed pcm. Some bigger injectors. And a cam and rockers. Under a Grand in parts you will have some real nice power.

this year is minor motor work, stereo, and fixin the small dumb stuff. planned on doing a 3.4 pulley and PCM but how do i kill the governor? is that done with PCM or do i cut a wire somewhere. lol

jteske88
04-06-2013, 07:05 AM
your mechanics are not correct, been through this, at most with out tune your looking at around 280ish and there is alot of loss tot he wheels.

jteske88
04-06-2013, 07:06 AM
The tune will cover your speed limiter,and your gonna need headers, tune, u bend removal if you wanna drive on a 3.4 safley
this year is minor motor work, stereo, and fixin the small dumb stuff. planned on doing a 3.4 pulley and PCM but how do i kill the governor? is that done with PCM or do i cut a wire somewhere. lol

mclerico83
04-06-2013, 10:36 AM
Headers 2 are correct but pacesetters r really inexpensive. I own a gp 2 and have driven to intense to get major work done. John and Brian are the best. Put my car on the dyno. I have a turbo cammed heads Diamond pistons. Roller rockers oer risers. Push rods. Tranny done. I'm at 450 on 16 pounds now. Waiting to break everything in and to upgrade my fuel pump to turn it up some more. If u have any questions pm me.

mclerico83
04-06-2013, 10:37 AM
The hp is also at the crank not st the wheels

jteske88
04-06-2013, 11:00 AM
he is correct, 260 at the crank stock maybe 180ish to wheel per stock dyno's, im pushing around your stock crank number now

whitedragon551
04-06-2013, 11:41 AM
Supercharged is so easy to boost power. I wouldn't use anyone but intense racing drop the pully and most important get a reprogrammed pcm. Some bigger injectors. And a cam and rockers. Under a Grand in parts you will have some real nice power.

Wouldnt go to Intense. ZZP is right down the road from me.

OP Your box for your trunk cant be much larger than 4.5 net cubes without building in the trunk.

jteske88
04-06-2013, 12:25 PM
please dont go to zzpoop, read around over on GPF man, alot more info then you will get here from these guys. Not bad mouthing anyone but a audio site is not a place to get details on a car build.

its_a_sleeper
04-06-2013, 05:12 PM
Headers 2 are correct but pacesetters r really inexpensive. I own a gp 2 and have driven to intense to get major work done. John and Brian are the best. Put my car on the dyno. I have a turbo cammed heads Diamond pistons. Roller rockers oer risers. Push rods. Tranny done. I'm at 450 on 16 pounds now. Waiting to break everything in and to upgrade my fuel pump to turn it up some more. If u have any questions pm me.

basically i need a great box design for 2 12s in this mammoth trunk. i also need the CHEAPEST fixes cause im on disability. dont wanna race it but if someone revs next to me id like to kick his/her ***. lol

its_a_sleeper
04-06-2013, 05:16 PM
The tune will cover your speed limiter,and your gonna need headers, tune, u bend removal if you wanna drive on a 3.4 safley
did u bend removal already. wheres the cheapest place to get a new tuned PCM?

its_a_sleeper
04-06-2013, 05:18 PM
please dont go to zzpoop, read around over on GPF man, alot more info then you will get here from these guys. Not bad mouthing anyone but a audio site is not a place to get details on a car build.

yea originally this was meant to get box build ideas. lol but any help, well, helps.

jteske88
04-06-2013, 06:05 PM
Canned PCM are universal and expect to have to have it updated, or create thread over there.

mclerico83
04-06-2013, 06:35 PM
Yes go to intense bryan is the best. There is actually a local guy neat Chicago that does sick street tunes. I can get you his info. Zooms tunes go boom

mclerico83
04-06-2013, 06:37 PM
basically i need a great box design for 2 12s in this mammoth trunk. i also need the CHEAPEST fixes cause im on disability. dont wanna race it but if someone revs next to me id like to kick his/her ***. lol

Needs to be replaced. Then headers rockers pully and u bend delete and a canned tune is where u want to start

mclerico83
04-07-2013, 01:40 PM
yea originally this was meant to get box build ideas. lol but any help, well, helps.

Safely Modding Your 3800! (http://www.grandprixforums.net/safely-modding-your-3800-a-67580.html)

write up

and best

HEADER - STAINLESS STEEL - 97-03 PONTIAC GRAND PRIX 3.8L V6 (http://speed-daddy.com/index.php/header-stainless-steel-97-03-pontiac-grand-prix-3-8l-v6.html)
headers on cheap

then all you need is the pully and prob ported charger :)

jteske88
04-07-2013, 02:18 PM
yup that the best write up there is on the 3800, very informative and has all the tricks.
Safely Modding Your 3800! (http://www.grandprixforums.net/safely-modding-your-3800-a-67580.html)

write up

and best

HEADER - STAINLESS STEEL - 97-03 PONTIAC GRAND PRIX 3.8L V6 (http://speed-daddy.com/index.php/header-stainless-steel-97-03-pontiac-grand-prix-3-8l-v6.html)
headers on cheap

then all you need is the pully and prob ported charger :)

its_a_sleeper
04-09-2013, 10:29 AM
Yes go to intense bryan is the best. There is actually a local guy neat Chicago that does sick street tunes. I can get you his info. Zooms tunes go boom

please do.... id like a reason to drive over to chicago again..... its been forever

its_a_sleeper
04-09-2013, 10:31 AM
thank u much.... ill be reading this tonight

Safely Modding Your 3800! (http://www.grandprixforums.net/safely-modding-your-3800-a-67580.html)

write up

and best

HEADER - STAINLESS STEEL - 97-03 PONTIAC GRAND PRIX 3.8L V6 (http://speed-daddy.com/index.php/header-stainless-steel-97-03-pontiac-grand-prix-3-8l-v6.html)
headers on cheap

then all you need is the pully and prob ported charger :)

its_a_sleeper
04-09-2013, 10:33 AM
so far no one with box design ideas???? when i was on here years ago, box designs were plentiful. lol thanks to everyone so far but im stumped on a nice lookin/soundin box