Just a Few questions

04sonicBLUEgt · February 9th, 2009, 08:16 AM

Ok so I did some reading last night and from what i was reading the 2 valve heads are only good till roughly 400 hp. So before i do any forced induction would it be better to go to a 3 valve or a 4 valve head? Which heads would be better for a turbo application? The car that it would be getting done to is a 2004 GT with an auto trans. Any information would be greatly appreciated.

2000ZincGT · February 9th, 2009, 08:19 AM

that s weird i coulda swore i ve seen some 1000+ hp 2v's out there.

In short, its not worth the time or the money for the "gain" JUST GO BUY A COBRA.

moosenuk17 · February 9th, 2009, 08:21 AM

dude theese heads are good for ore than 400hp, get the turbo!

kmelfi11 · February 9th, 2009, 08:21 AM

dont use the stock short block. If you are going to switch heads and all i would just get a whole new engine. if your going turbo then you can have low compression and build the engine to what you want it for. also youll need a new trans to take the power, then youll need a stronger rear then youll need suspension to hold the power... it never ends.

SWEET2KSTANG · February 9th, 2009, 08:28 AM

these heads dont flow all that great, and hits the 400 range limit N/A. they can make power with boost. the rotating assembly stock is not the strongest, most will say keep around 400rwhp.

04sonicBLUEgt · February 9th, 2009, 08:42 AM

thanks for the info, i guess i didn't read the thread all the way through. So i should just go get another block and build the bottom end for boost and buy some different heads?

Lefty · February 9th, 2009, 10:34 AM

4V ftw!

Black Bullitt · February 9th, 2009, 11:15 AM

Must be nice to have 4v Mr. Lefty. lol

Lefty · February 9th, 2009, 11:16 AM

And I have the 2V for when I don't wanna be classy

Black Bullitt · February 9th, 2009, 11:17 AM

Hahaha, funny man.

Lefty · February 9th, 2009, 11:20 AM

Black Bullitt · February 9th, 2009, 11:27 AM

Back on topic. It really depends on what your power goals are. If you only want 400/400 then I would stick with a centri SC. It's cheaper and will get you there easily. If you want 500/500 then the 2v heads will still get you there with a built short block. You would have to get a new wiring harness and 4v heads to do a swap and personally it's not worth the extra $$$. Going turbo on our model of Mustang you have to get a tubular k member for clearance for the piping. That will cost some bank too on top of buying a turbo setup. It's all do able...just depends on how deep your pockets are.

04sonicBLUEgt · February 9th, 2009, 11:41 AM

ok so all in all the easiest way with boost is the supercharger then? Although the money is an object and i dont make alot of it being in the military my wife wants to go turbo even though she doesnt know anything about cars except what i have told her. I think she likes it because my boss has a 87 LX with an 70 millimeter turbo running in the low 9's. But im sure with what you all are telling me and what i tell her im sure i can convince her to go with a supercharger.

jivepepper · February 9th, 2009, 11:51 AM

Nothing more funnier than whooping a fast car with a lowly 2v though.

moosenuk17 · February 9th, 2009, 11:52 AM

^^amen brother

Black Bullitt · February 9th, 2009, 12:04 PM

Originally Posted by 04sonicBLUEgt

ok so all in all the easiest way with boost is the supercharger then? Although the money is an object and i dont make alot of it being in the military my wife wants to go turbo even though she doesnt know anything about cars except what i have told her. I think she likes it because my boss has a 87 LX with an 70 millimeter turbo running in the low 9's. But im sure with what you all are telling me and what i tell her im sure i can convince her to go with a supercharger.

Yes, centri SC is the cheapest route and you can obtain your goals with it. Turbo would be nice, but me being in the military and a family it's not an option for me. I'm going to guess you're in the AF since you're in KS.

Black Bullitt · February 9th, 2009, 12:05 PM

Originally Posted by jivepepper

Nothing more funnier than whooping a fast car with a lowly 2v though.

Originally Posted by moosenuk17

^^amen brother

I second that.

04sonicBLUEgt · February 9th, 2009, 01:16 PM

yep im the Air Force. So now all i have to do is convince my wife to go supercharged since it is her car and all

Black Bullitt · February 9th, 2009, 01:20 PM

She wouldn't know the difference. The centri looks like a turbo anyway minus the exhasut side of a trubo. it will drive almost the exact same way. Power will come on about 2500 RPMs and continue to build.

Scott2001GT · February 9th, 2009, 04:12 PM

centri. sc are not bad but I would turbo over it. And no KEEP your stock block! Just hone it. The stock blocks can take 1000hp. With your auto and going turbo(if you choose) you will need to get a smaller exhuast housing to build boost quick with the auto. I have an auto and asked about it. I prefer roots blowers myself. But centri's are are cheaper! and can make good hp. But think about your torque too man. get forged internals top and bottom end. and look up Lentech auto. They specialize*(sp) in the Ford auto tranny's! good to 1000+ hp. just my 2 cents

February 9th, 2009, 08:16 AM	#1
04sonicBLUEgt Newbie 2004 Mustang GT when it warms up Join Date: Feb 2009 Location: Wichita, KS / McConnell AFB Posts: 13 iTrader: 0 reviews	Just a Few questions Ok so I did some reading last night and from what i was reading the 2 valve heads are only good till roughly 400 hp. So before i do any forced induction would it be better to go to a 3 valve or a 4 valve head? Which heads would be better for a turbo application? The car that it would be getting done to is a 2004 GT with an auto trans. Any information would be greatly appreciated.

February 9th, 2009, 08:19 AM	#2
2000ZincGT Regular Mustang GT Join Date: Apr 2008 Location: MI Posts: 290 iTrader: 0 reviews	that s weird i coulda swore i ve seen some 1000+ hp 2v's out there. In short, its not worth the time or the money for the "gain" JUST GO BUY A COBRA. __________________ Stock.....

February 9th, 2009, 08:21 AM	#3
moosenuk17 MM Fanatic 2000 ford mustang GT Join Date: Apr 2008 Location: san diego CA Posts: 4,011 iTrader: 0 reviews	dude theese heads are good for ore than 400hp, get the turbo! __________________ 2000 kenne bell GT (440HP-432TQ) Tuned by Joe at http://www.tricktuners.com dyno vid:http://youtu.be/lr3xpxw2_v8 2011 escape MUSTANG TAT CREW

February 9th, 2009, 08:21 AM	#4
kmelfi11 Regular Join Date: May 2008 Posts: 119 iTrader: 0 reviews	dont use the stock short block. If you are going to switch heads and all i would just get a whole new engine. if your going turbo then you can have low compression and build the engine to what you want it for. also youll need a new trans to take the power, then youll need a stronger rear then youll need suspension to hold the power... it never ends. __________________ 12.86 @ 106.78 3.73's with bolt ons 278rwhp 322rwtg

February 9th, 2009, 08:28 AM	#5
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,540 iTrader: 8 reviews	these heads dont flow all that great, and hits the 400 range limit N/A. they can make power with boost. the rotating assembly stock is not the strongest, most will say keep around 400rwhp. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

February 9th, 2009, 08:42 AM	#6
04sonicBLUEgt Newbie 2004 Mustang GT when it warms up Join Date: Feb 2009 Location: Wichita, KS / McConnell AFB Posts: 13 iTrader: 0 reviews	thanks for the info, i guess i didn't read the thread all the way through. So i should just go get another block and build the bottom end for boost and buy some different heads? Last edited by 04sonicBLUEgt; February 9th, 2009 at 08:46 AM.

February 9th, 2009, 10:34 AM	#7
Lefty Resident DJ '01 Cobra Vert. Join Date: Jun 2007 Location: Mechanicsburg, PA Posts: 28,699 iTrader: 12 reviews	4V ftw! __________________ 2008 Acura TL Type-S (the daily) 2006 Yamaha R6 50th Anniversary Edition (the other toy)

February 9th, 2009, 11:16 AM	#9
Lefty Resident DJ '01 Cobra Vert. Join Date: Jun 2007 Location: Mechanicsburg, PA Posts: 28,699 iTrader: 12 reviews	And I have the 2V for when I don't wanna be classy __________________ 2008 Acura TL Type-S (the daily) 2006 Yamaha R6 50th Anniversary Edition (the other toy)

February 9th, 2009, 11:20 AM	#11
Lefty Resident DJ '01 Cobra Vert. Join Date: Jun 2007 Location: Mechanicsburg, PA Posts: 28,699 iTrader: 12 reviews	__________________ 2008 Acura TL Type-S (the daily) 2006 Yamaha R6 50th Anniversary Edition (the other toy)

February 9th, 2009, 11:41 AM	#13
04sonicBLUEgt Newbie 2004 Mustang GT when it warms up Join Date: Feb 2009 Location: Wichita, KS / McConnell AFB Posts: 13 iTrader: 0 reviews	ok so all in all the easiest way with boost is the supercharger then? Although the money is an object and i dont make alot of it being in the military my wife wants to go turbo even though she doesnt know anything about cars except what i have told her. I think she likes it because my boss has a 87 LX with an 70 millimeter turbo running in the low 9's. But im sure with what you all are telling me and what i tell her im sure i can convince her to go with a supercharger.

February 9th, 2009, 11:51 AM	#14
jivepepper I Post Entirely Way Too Much Join Date: Mar 2006 Location: Under a sombrero Posts: 5,025 iTrader: 1 reviews	Nothing more funnier than whooping a fast car with a lowly 2v though. __________________ 665/541 WHP/WTQ 4.6L SOHC 2V ON 93 OCTANE PUMP GAS. NO METH INJ., NO E85, NO RACE GAS, N2O BABY BOTTLES! TRAP=POWER: 11.01 @135, IN SUMMER HEAT, 1350' TRACK, 315/35/17 DR'S

February 9th, 2009, 11:52 AM	#15
moosenuk17 MM Fanatic 2000 ford mustang GT Join Date: Apr 2008 Location: san diego CA Posts: 4,011 iTrader: 0 reviews	^^amen brother __________________ 2000 kenne bell GT (440HP-432TQ) Tuned by Joe at http://www.tricktuners.com dyno vid:http://youtu.be/lr3xpxw2_v8 2011 escape MUSTANG TAT CREW

February 9th, 2009, 01:16 PM	#18
04sonicBLUEgt Newbie 2004 Mustang GT when it warms up Join Date: Feb 2009 Location: Wichita, KS / McConnell AFB Posts: 13 iTrader: 0 reviews	yep im the Air Force. So now all i have to do is convince my wife to go supercharged since it is her car and all

February 9th, 2009, 04:12 PM	#20
Scott2001GT BYAHHHH! 2001 Mustang GT 13.874 Join Date: Mar 2008 Location: Missouri Posts: 14,793 Blog Entries: 1 iTrader: 3 reviews	centri. sc are not bad but I would turbo over it. And no KEEP your stock block! Just hone it. The stock blocks can take 1000hp. With your auto and going turbo(if you choose) you will need to get a smaller exhuast housing to build boost quick with the auto. I have an auto and asked about it. I prefer roots blowers myself. But centri's are are cheaper! and can make good hp. But think about your torque too man. get forged internals top and bottom end. and look up Lentech auto. They specialize*(sp) in the Ford auto tranny's! good to 1000+ hp. just my 2 cents

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