[blackstallion87]

Shamrock: I havent completed my h/c/i yet.. I was a bonestock aod with factory exhaust,air silencer delete, and bypassed smog. I was putting two on the 95 5.0 5spd also stock.

Junkie Id **** my pants with sub 8 sec.. I couldnt imagine low 7s.. Ive aleays heard 125 shot on stock shortblock? Idk Im honestly pretty new to the mustang scene.. I had a 92 vette previously mostly stock.. it ran 8.90s and was plenty fun.. I want to get the N/a with my fox.. then boost from there...

benny you needa cam! haha but you probably would pick up some ponies..but thats pretty damn good numbers from what Im reading..

I hate to knock on the trickflow kits cuz they do seem to be the **** but damn 2500 for the topend kit?! I wished I had 2500 I would do what Im doing now plus a supercharger haa

 

[blackstallion87]

If your reading this to find out the potential of gt40p heads heres a good thread to read with several people getting the 290-300 mark. Again Im no master mechanic and Im learning now.. but I believe I read the P heads has a 58cc chanbers and flows 195cfm stock, Most ported setups seem to be around 210-220, theres a diy porting guide where a guy put bigger valves in a got 290ish cfm

Official GT40P headed 300rwhp thread!!! - Ford Mustang Forums : Corral.net Mustang Forum

This videos a classic

 

[1BDSTNG]

It would be more fulfilling to me if I had 250hp stang spanking a TA's ass and more embarrassing for them. Yeah, it's cool to say, " I have 8 bagillion hp" but if you say that you have a crappy car w/only 5hp and beat the guy who gloats their numbers, that's the best...kinda like what 69fastback does.
I hope my 347 dynos at about 250

 

[StangBanger302]

If your reading this to find out the potential of gt40p heads heres a good thread to read with several people getting the 290-300 mark. Again Im no master mechanic and Im learning now.. but I believe I read the P heads has a 58cc chanbers and flows 195cfm stock, Most ported setups seem to be around 210-220, theres a diy porting guide where a guy put bigger valves in a got 290ish cfm

Official GT40P headed 300rwhp thread!!! - Ford Mustang Forums : Corral.net Mustang Forum

This videos a classic

317rwhp/346rwtq GT40P Mustang - YouTube

Just as an FYI- you're not getting iron gt40s/gt40ps to flow 290cfms ever. The best I have EVER seen was 250cfms out of those heads and that's with a killer Porter.

Average DIY job with these heads will yield 205-215cfms. No point in using bigger valves with these heads. A guy on corral ported his own and they flowed 240cfms with a 156cc intake runner and stock sized valves.

Sent from my galaxy s II

 

[nxcoupe]

My god some of these psts are way to long. I own a dyno and have a huge database to pull from. A T5 has about a 15% hp loss to the rear wheels from flywheel hp, a tko and t56 have about 18%, an aod has about 20% driveline loss, depending on converter. A c4 can lose as much as 25% depending on converter because they dont have a direct drive.
Im a 'real racer' and my car is a stick. Autos suck imho, anyone can make one work. The reason guys use an auto is for 'consistancy' and because anyone can make an auto hook and go, it takes skill and a lot of work to make a stick go sub 9's. An auto can also be cheaper than a high dollar clutch/stick setup.
My hp guess is gonna be 230 or less. Should leave the ports alone, if you dont know what you are doing, you can KILL power. Good luck.

 

[nxcoupe]

Next, I owned an 88 auto and an 89 5spd. Both equally equipped, auto 15.1 best, 89 14.1 all day long.

 

[blackstallion87]

Haha, NX Coupe I'll hold ya to the 230rwhp, and we'll see what I hit.

My only argument was to one of the guys replying 1st saying that t5 is 290hp, aod is 250. Thats showing 20% more loss thru the aod. According to you (nxcoupe) It should only be roughly 5% more, so either A: I'll have 250hp which equates to 262hp thru a t5 (not 290hp) or either B: I'll have 275rwhp at the wheel which will put a T5 at 290hp. Thats my argument. Im having a hard time believing in the 250-300hp range that the t5 will make 20% more power..

I found 1 write up where a guy converted to t5 and was claiming 30rwhp more and then after reading thru the forum the tuner got on there and pointed out that the guy added an e-fan, and was comparing his base aod numbers to his tuned t5.

Even if you cant get anymore than 250cfm out of the gt40ps, how much does stock twisted wedge 170s flow?

So now I've been put down to 230hp. Shouldve bought a buick if thats the case. My s10 puts that down with a v6. wtf.

 

[Benboi92GT]

Anddd nxcoupe flies in with major boner killer for the OP. I was waiting on someone to comment about the home port job, lol

I predict a heated response about how everybody and their brother have 300 rwhp gt40 setup soon

 

[Benboi92GT]

I love Buicks

 

[nkausch]

Anddd nxcoupe flies in with major boner killer for the OP. I was waiting on someone to comment about the home port job, lol

I predict a heated response about how everybody and their brother have 300 rwhp gt40 setup soon

I'm calling bs on that. Unless people are using gt40x aluminum heads and just calling them gt40's


Sent from my iPhone using AutoGuide.com App

 

[blackstallion87]

I call bullshit on the whole statement. 230rwhp with that sortve work would be a shame. I can swear this to you, if I only hit 230rwhp, I will sale the car asap.

My Dad has been porting and working heads for 30+ years, I gaurentee you they will flow better than stock. Matter of fact, I bet theyll hit 220-230 cfm. Have you bought a trickflow kit and just mad that a 200 dollar set of heads can flow with you or something? I'm really confused here?

I'm getting pretty heated myself on this subject and probably just need to stop typing but there is some ingnorance going on here. Find me a 230hp aod with a tfs1 cam, gt40*P* heads, and the gt40 TUBULAR. Its a very common setup find it. I mean, the only ones I'm finding is 260 all the way up to 320, I found more setups on stock cams running 260 then 240, maybe I'm crazy

 

[1BDSTNG]

I thought this thread was for people to say what their gt40 setup was and post their numbers.

 

[Benboi92GT]

First, the guy you are "calling bs" on is one of the more knowledgeable engine builders on this site (oh yea he has a dyno too). Second, Im pretty sure the tubular gt40 intake is identical to the explorer intake in every way except appearance. And third, dont get mad, if you want to put down decent numbers with a 302, expect to put more money out than some stock exploder heads and a ots cam.

 

[1BDSTNG]

It seems as though it turned into, "What do you think my hp is?"...again

 

[Benboi92GT]

It seems as though it turned into, "What do you think my hp is?"...again

Right you are sir, here goes:

Explorer Intake
Gt40p heads
E-cam
C&L maf housing 24 lb injectors
Bbk fender-well cai
Ac and smog delete (where most of my power comes from)
3.73 gears
AOD tranny

315 rwhp
343 tq

EDIT: Have dyno sheet to prove but my camera is broken =/

 

[TBacon]

Ok seriously sell your car, go buy your old vette back and dyno it. It had 300 hp at the FLYWHEEL from the factory. After 20 years I bet it puts less than 220 to the wheels. But u still ran an 8.9 1/8 mile right? You know why? cause dyno numbers aren't the be all and end all of having a fast car!!!!! F*CK

Ok now that I have vented my frustration on this thread here is a flow chart on cylinder heads to further crush your dreams
Ford Head Flow Data and Specs

Sorry if I sound like a d*ck here but you have done a good job at ignoring everything you have been told. I like helpin people but you make it seem like a waste of time

 

[Benboi92GT]

Geeez Tbacon, way to be direct and to the point and make my posts look like a bunch of passive aggressive asshattery

 

[TBacon]

Sorry Benboi, I really have been trying to help this guy

Guess I'm just a a-hole today

 

[1BDSTNG]

Right you are sir, here goes:

Explorer Intake
Gt40p heads
E-cam
C&L maf housing 24 lb injectors
Bbk fender-well cai
Ac and smog delete (where most of my power comes from)
3.73 gears
AOD tranny

315 rwhp
343 tq

EDIT: Have dyno sheet to prove but my camera is broken =/

Now the million dollar question...drumroll please. What do you run in the 1/8 & 1/4

 

[blackstallion87]

Yeah your right, thats waht the thread was supposed to be, but it always seems to go bad on this forum.

Not knocking NX Coupe, he appears to be this forums legend. BUT, I will say, I feel more than comfortable saying I know I'll get more than 230rwhp. I havent even found a like setup running even close to that low. I was just asking someone to show me. This is a very common setup, so its not hard to search at all, I havent found 1 making that low.

Seems like every thread I make, or post I make, I get some sortve know it all attitude from nx, and a couple of the same people. I dont seem to have that problem on corral. Apparently this forum doenst have enough people on it or something, because theres been 1 person thats replied w/ a gt40p setup? Has anyone looked at the link I posted or anything?

Heres a few:

went to dyno today hit 295 hp and 323 tq on gt40p - Ford Mustang Forums : Corral.net Mustang Forum

Saleen Club of America SCOA Talk • View topic - got the GT40P combo dyno'd!

And just for a low baller, heres a gt40p setup aod, with STOCK exhaust, Way less boltons than me, and all 4 factory cats made 240hp, and if you read on down he ends up w/ 270 after changing injectors and exhaust.

Dyno Numbers in on a Gt40p setup... | Mustang Forums at StangNet

Here you can see avg gt40p aods making 270ish (nonported)
Anyone got actual dyno numbers for engine with GT40's? - Northern California Ford Owners 

All the above setups still didnt have near the mods listed that I have, and none of them has been under 240, the only one right there at 240 only had p heads installed with cam and explorer intake, and he ended up with 270 after upgrading exhaust and valve float problems.

Just making my point, Yes, theres 240hp gt40ps out there, but thats like direct boltons, I'm balancing my block and freshening it up, tfs spring kit, 1.7 rrs, tfs1 cam, pullies, intake, exhaust, maff, tb, ect ect ect. And that wont make but 230rwhp!? I found stock head e7 combos making that much power with just bigger rr's and cam. The gt40ps are right at 200cfm STOCk