ok guys picked up a 1998 gtp today black 4 door has a 3.4" pulley ported blower cold air intake 3" catless downpipe what is my next option i want the best horsepower i can get out of it and the best bang for the buck let me know my options???
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08-29-2011
ok guys picked up a 1998 gtp today black 4 door has a 3.4" pulley ported blower cold air intake 3" catless downpipe what is my next option i want the best horsepower i can get out of it and the best bang for the buck let me know my options???
08-29-2011
you need need need a PLOG or headers and a scan gauge for it. Read the Safely Modding Your 3800 thread in the general tech section.
08-29-2011
what would you recommend a plog or headers or both? give me a heads up i skimmed over the basics of the safely modify and said stay away from zzp computers whats a good option prolly gonna port my throttle body best scan tool i know ALOT about gm products and cars in general just traded my 01 a4 v6 that needed a head gasket for it so i got a good deal
08-29-2011
LOL at stay away from ZZP computers. I put down 271hp/325tq with one of those when I was supercharged and a 3.4 pulley setup. I'm currently running one with my turbo setup(installed this week) and no issues.
If staying supercharged then go with headers.
08-29-2011
ok cool idk just when i skimmed the safely mod said that... i really have never delt with superchargers i have a built 98 neon turboed running megasquirt first gtp first supercharger first family car
08-29-2011
oh and i meant better option plog or headers?
08-29-2011
Pacesetter Headers 97-03 Regal GS & Grand Prix GTP 3.8L | eBay
order them now?? fair price i have good luck with pacesetter just had to get them leak tested
08-29-2011
no, don't buy the pace****ters. they are guaranteed to leak without modification. a PLOG is just an aftermarket front exhaust manifold, headers are the front and rear as well as a downpipe. There is also a sticky thread on here called the Header thread that breaks down all of the options. The Speed Daddy headers from ebay are a popular choice because of their price but go read that thread before you make a decision.
08-29-2011
looked all over ebay can not find the speed daddys i am not spending more than 500 on headers i know there is plenty of options will check the thread out
08-29-2011
thats what i picked up today
08-29-2011
speed daddy's are roughly 230 shipped if i remember right.
08-29-2011
Speed daddy headers
DNA Motoring = Speed daddy. I think they changed their name.
To scan get this Aeroforce Interceptor Gauge
Or go all out and just get HPtuners
I would not get into boost unless you want this
Last edited by Slick2500; 08-29-2011 at 02:13 AM.
Originally Posted by The Sunfire Guy
08-29-2011
thank you very much i have seen alot of people using the speed daddys with no problems at all i think i may order them tomorrow along with the aeroforce gotta memeber people its a family car too haha just a little fun to play with... should i go any smaller pulley bigger engine pulley? cams springs retainers? wanna hit 13.9
08-29-2011
theres only one cam, and you dont have the supporting mods to run the pulley you have now, smaller pulley=boom boom. dont skim that thread, read it and learn.
08-29-2011
Here are SD Headers... a few bucks cheaper than DNA Motoring.
REGAL/GRAND PRIX GTP 3.8 SUPERCHARGER STAINLESS HEADER - eBay (item 180715888421 end time Aug-29-11 13:02:26 PDT)
08-29-2011
headers, 3.4, intake, good tune and you should be in the 13's.
08-29-2011
Anyone around southern minnesota good at tuning I noticed someone is south dakota
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