horsepower?

[Jeff H]

I have a 3400 SFI how much horse power gain will I get with a cold air kit, bigger throttlebody, intake manifold, and cat-back exaust? And has anyone heard of stroker kits for 99 up GA's?:2up: :angel1:

[02GARacer]

no clue man

[antirice]

750HP!!!

maybe 15-20 hp

[Stephen's GA]

About 15-20 is about right really depending on the t/b size and exhaust setup brand etc. And yeah stroker kits all alright i have one on my 2.4 and my comp is working on some for the 3.1 3.4 and 3.8 there are 3.4 on the market already and you would be looking at a 20-30hp gain with that alone.

Now one other view is your gonna spend some serious cash on a stoker kit now you need to decide if you want all motor or you would like to spend a little less or more for an even bigger gain with an little outside help s/c t/c the amount youll spend to get that 20-30hp isnt really worth it unless your set on an all motor car which some people are but for a similar price you can add boost and get a 30-100hp boost ill throw down some #'s if youll get me this info

T/B mm
exact exhaust setup your gonna use
brand of intake and style of filter mesh or foam
ill place with that setup give you a close hp# then ill add a stroker give that # and then a s/c and t/c setup these #'s are usually only off by 5-8 hp

[Stephen's GA]

OK im board so i did a turbo setup

With a apoc 65mm t/b, apoc CA intake, doctor speed upper and lower intake mani,and 8:5:1 compression ratio with a t3/t4 turbo with an intercooler runnin a low 30% effiencey ratio and 10 psi of boost your looking at 223hp with 260 ftlb torque give or take a few hp's. Now with the compression ratio i have your capable of 15-20 pis of boost which at 18psi your high end power stays pretty much the same but your low rpm power gains about 10-12 hp and about 12-30 lbs of torque.

But on a stock 10:1 ratio 10 psi is your max on boost or youll throw things apart.

[Pte Socks]

K what? sorry stephen, but I got lost on your last post.. too much writing. Ok so from what ive heard, an SLP exhaust and an APOC CAI gave a 99 GA 162 WHP. Now from what your saying, id say youd get 20 WHP. The cat-back and CAI together will help quite a bit. As for the TB, get a 62mm.

[Aaron]

Sorry to sound like a jerk, but I have seen this posted probably 5 times a day, using the search feature will get you an answer a lot faster.

edit: Perhaps someone can make a post covering the common questions in this forum & make it a sticky. I.e. information on how much HP gain you would be looking at for a CAI and exhaust, uh yeah thats pretty much it.

[Stephen's GA]

Originally posted by Neo-Blue99GASE
K what? sorry stephen, but I got lost on your last post.. too much writing. Ok so from what ive heard, an SLP exhaust and an APOC CAI gave a 99 GA 162 WHP. Now from what your saying, id say youd get 20 WHP. The cat-back and CAI together will help quite a bit. As for the TB, get a 62mm.

Now im confused:P are you saying that those mods above give you an additional 162 hp i hope not, all those mods are good for maybe 40hp if that i was adding a t/c plus a compression change plus the mods.

Now if you want full output from those mods you need a fuel upgrade and a serious tuning.

Ill break down things

A stroker kits good for maybe 20-30hp
Upper and lower mani- about 25hp
catback about 15hp
and t/b maybe 5-8 hp
intake 5-10hp
Turbo on stock motor up to 75hp increase on stock internals

Im combining this with a non tuned car you wouldnt gain all that much

[30thAnnGAGT]

13.57 @ 104???

AAAHHEEEEEEEEMMM!!! :bs: :bsmeter:

[jayhawk]

Originally posted by 30thAnnGAGT
13.57 @ 104???

AAAHHEEEEEEEEMMM!!! :bs: :bsmeter:


Youre terrible, Adam. :roflmfao:

[antirice]

Originally posted by 30thAnnGAGT
13.57 @ 104???

AAAHHEEEEEEEEMMM!!! :bs: :bsmeter:

where'd you get that?

[30thAnnGAGT]

Get what?

[antirice]

the 1/4 mile time & speed

[Aaron]

Stephen's GA signature.

I'm going to go out on a limb and defend stephen's ga. Judging by what he has done to his engine (the mods he's listed), I won't doubt him, he sounds like he knows his engines. If he's lying, then who cares I don't see why you'd need to lie about a 1/4 time on here anyways.

[30thAnnGAGT]

Funny how another guy I know runs 234whp with a 3.4 and supercharger and is barely pulling mid-14's. I also know of a guy in vegas with a better setup on a 2.4 that is just now squeaking into the 14's.

I also want to know what happened with the 3.8 he stuffed into the car.... oh wait, that happened to be a photoshop ;)

[Stephen's GA]

Well im pulling 247 to the wheels and running a mid 14sec 1/4 run that 13 sec run is with some serious juice;) With juice on the dyno i was well into 300+ hp range but im lacking torque so as soon as i can solve that issue 13's well be history. Hope that ends your confusion. :D

[Stephen's GA]

Originally posted by 30thAnnGAGT

I also want to know what happened with the 3.8 he stuffed into the car.... oh wait, that happened to be a photoshop ;)

Oh we have been down this road to many times long story short yeah the pic was chopped but the swap had been done i had numerous local members verify it and a few stang owners got a taste of it they had it on there forum so anyways i was under RK sport contract and i couldnt post any pics but thats history i could care less what anyone believes i have to many business ties to try to lie to people about my mods sorry and please take no offense anyways can we get back to the thread i hate whoring up a perfectly good thread my PM's always open.

[Pte Socks]

Ok. Now im really lost in stephans post in reply to me! i truely have no idea what hes talking about :). Anywho, Ill stick to the post i have seen several times in a guy who had his car dyno'd at 163 or 164 WHP on a 3.4L with an SLP exhaust and APOC CAI.

[matts]

not trying to get ugly or anything, but usually when you stroke an engine you add gobs of torque. that's why most people build a stroker, for the low end torque, not the horsepower. now in your defense i've never heard of anyone stroke a 4 banger before. but also in my defense i'll go back to the previous statement. when you increase stroke you increase torque.

[Stephen's GA]

Originally posted by matts
also in my defense i'll go back to the previous statement. when you increase stroke you increase torque.

Well not in my case Im not saying im lacking tons of torque but with my setup i should have more. Has anyone ever had a sytem that was tuned perfect but one day you thought hymm i bet it could sound better so you start adjusting things and it horrible and you can never get it to sound the same thats kinda the feeling with my motor yeah by adjusting fuel,timing and and gobs of other settings i could prob make it run alot better but i dont wanna risk making it worse espicially with all the time thats been put into it already.

[matts]

i see where you're coming from.

[30thAnnGAGT]

Originally posted by Stephen's GA
thats kinda the feeling with my motor yeah by adjusting fuel,timing and and gobs of other settings i could prob make it run alot better but i dont wanna risk making it worse espicially with all the time thats been put into it already.

With all that time and effort why stop now? If you've hit mid-13's and could probably make it run better.... WHY NOT?

Yeah, it's a lot of time and money down the drain, but your company should fund a lot of that. And if it's timing and fuel issues, just start in slow steps and do a little either way. You wouldn't have to go gobs at a time.

You constantly have to test the barriers on things or new breakthroughs will never happen. Risk is part of the game.

[Stephen's GA]

Just browsing my old fav forum and found an old thread i posted in I took 30thAnnGAGT advice and guess what the GA is dead and i think forever i have no plans on fixing it. Its been almost a yr since this happened and the car still sits where we unloaded it never broke out of the 12's espicially with all the time and money that went into the car. Sorry for bringing up an dead topic, ive moved on to F-body's 89 TT TA and an 97 s/c LTI and yeah i still have the N* slow fiero.

[Bjornboy81]

13.574 is pretty good...what'd you have done to it? I didn't notice anything about FI on the website.