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700+ FACTORY HP - DYNO'd the '14 GT500 Today!


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#61 OFFLINE   OneTrickPony

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Posted 16 July 2013 - 04:44 PM

WOW, Intersting thread. Dufus sounds to me like an educated person who has done some research. I realize as owners, its nice to have bragging rights and pump up our egos. 

 

I hate to say it, but when I watch the news, we have a hell of a lot bigger problems to worry about then HP numbers. Just imagine if we put this much time and effort into something more positive.



#62 OFFLINE   ViperNC

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Posted 16 July 2013 - 05:05 PM

WOW, Intersting thread. I realize as owners, its nice to have bragging rights and pump up our egos. 

 

we have a hell of a lot bigger problems to worry about then HP numbers. Just imagine if we put this much time and effort into something more positive.

+1


 

 

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#63 OFFLINE   svtkeith

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Posted 17 July 2013 - 03:03 AM

Either way no matter what ratings you use or %'s or how it's calculated the 13-14 GT500 are dynoing great numbers...besides all that really matters is that ole kick in the pants feel when you stomp on the gas!!.. :rockon:


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#64 OFFLINE   dufus

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Posted 17 July 2013 - 08:49 AM

WOW, Intersting thread. Dufus sounds to me like an educated person who has done some research. I realize as owners, its nice to have bragging rights and pump up our egos. 

 

I hate to say it, but when I watch the news, we have a hell of a lot bigger problems to worry about then HP numbers. Just imagine if we put this much time and effort into something more positive.

Thank You!



#65 OFFLINE   1 Alibi 2

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Posted 17 July 2013 - 11:42 AM

An article in the March 2012 issue of 5.0 Mustangs & Super Fords on the 2013 5.8 Trinity motor.................read the article..................see what the FORD engineers say..........form an opinion..

.

http://www.mustang50...rinity_5_8l_v8/


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#66 OFFLINE   ballinsoldier

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Posted 20 July 2013 - 11:20 AM

No reason to take any offense. Your claim of 700+ HP is simply wrong. Manufacturers no longer have the lattitude of "underrating" their engines when they are evaluated under the SAE certification process. Google that subject and you will learn that this is reputable, standardized, process.
Creativity becomes a factor when the full chasis dyno numbers are delivered to overly enthusiastic owners. These cars are monsters on their own merrits, no reason to exagerate.

 

Really?  Car manufactuers can't 'underrate' their engines?  So all these 300hp/300tq BMW 335's that put down 272-278whp and 292-304wtq must not have much drivetrain loss at all in stock form.  Guess German engineering is good stuff.  Impressive when a car puts more torque to the wheels than the manufacturer claims before any drivetrain loss.

 

I do agree with the premise that 'guessing' what the drivetrain loss is a silly and inexact science and that dynos can be manipulated, but when you see approximately the same numbers from different cars and different dynos accross the country, you can get an idea on what the car actually makes at the wheels.  The number before drivetrain loss is iffy at best though, we just don't know.  There is a pretty wide range of what it 'could' be, often people say around 15% give or take a few %, but when looking at high hp cars we should probably just stick to the wheel hp/tq numbers.

 

/derail end


Edited by ballinsoldier, 20 July 2013 - 11:23 AM.


#67 OFFLINE   twobjshelbys

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Posted 20 July 2013 - 02:54 PM

Don't feed the troll

Don't kick the rattlesnake on the trail

You will be much happier
Cheers,
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#68 OFFLINE   1sgt

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Posted 20 July 2013 - 03:09 PM

I have a friend in the club who just dynode his car 662 hp and 631 torue >

#69 OFFLINE   jnf

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Posted 20 July 2013 - 05:06 PM

Don't feed the troll

Don't kick the rattlesnake on the trail

You will be much happier

 

:yup:


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#70 OFFLINE   jmn444

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Posted 20 July 2013 - 06:56 PM

Who cares, can any of you really feel a 40hp difference at these levels? I can barely tell the difference from a 3.25" to a 3.50" pulley on my lowly 4.6 gt. just have fun and stop arguing.
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#71 OFFLINE   ViperNC

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Posted 21 July 2013 - 04:18 AM

Who cares, can any of you really feel a 40hp difference at these levels? I can barely tell the difference from a 3.25" to a 3.50" pulley on my lowly 4.6 gt. just have fun and stop arguing.

Well said.  I've never put my car on the dyno and really don't plan to other than tuning it to clean up the power band.  All this talk about HP and most people do not have the training, education or experience to truly get the max out of their cars.  Its just a bunch of chest thumping and peacocking.  Remember folks: HP is nothing if you cant put it to the ground and manage it. 


 

 

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#72 OFFLINE   freakshow12

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Posted 21 July 2013 - 05:28 PM

Interesting read that article is. All I know is I have only put 160 miles on mine and it flat out hauls the mail. Much more of an animal than my 40th. Me and my dad are going to go play with them just to see how much better
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#73 OFFLINE   mullens

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Posted 21 July 2013 - 06:28 PM

Norton,
 
I'm looking to do the same thing, to get some baseline runs in to see what I have under the hood.
 
I plan to use and highly recommend Rob Williams @ Rob Williams Racing (RWR) in Littleton though.  https://www.facebook...rSports?fref=ts
 
Rob is highly regarded as "The Tuning Guru" in Colorado and he is one of the *few* people I'd trust to touch my car.  He has been tuning and Mustangs and MAF based EFI for decades.
 
For the people bashing "dufus":  Obviously, he's saying things you don't like to hear but you might want listen to him because what he says is the truth.  Just because you don't like what he says, doesn't make it any less truthful or accurate.
 
The one issue I do take with him is the comment regarding the 700HP figure.  700HP (crankshaft HP) is accurate for the 5.8's.  Ford rated the 5.8L mod motor at 662HP@6250rpm.  The problem is, redline is at 7000rpm, not 6250.  Hot Rod magazine reported seeing numbers right at or very near to 700HP when they were looking over the shoulder of the Ford Engineers prior to the public introduction of the new motor.  With HP being calculated as a product of Torque & RPM (Torque X RPM/5250), the higher you spin the motor (rpm) the more HP you're going to produce provided the torque curve isn't falling off a cliff.
 
But 700 is CRANKSHAFT HP, not RWHP.
 
 
Phill


Phill I thought the 5.8's peak power was rated @6500.
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#74 OFFLINE   2010KonaBlueGT

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Posted 21 July 2013 - 09:42 PM

Phill I thought the 5.8's peak power was rated @6500.

 

Could be, I'm too lazy to go look it up.

 

Regardless, my point is that the 5.8's REDLINE at 7,000 RPM and they're still making power up to redline, which means the HP @ 6250/6500 RPM is not PEAK HP.

 

 

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#75 OFFLINE   freakshow12

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Posted 22 July 2013 - 05:33 AM

Read the article. The 7000 rpm number is a built in acceptable over rev limit. It's not built to run there. 6250-6500 is the operating range for this beast
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#76 OFFLINE   freakshow12

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Posted 22 July 2013 - 05:34 AM

Also for me being very new to this car( 150 miles) anything over 4500 scares me. Lol
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65 fastback soon to be a clone
66 GT fastback
66 vert
84 capri RS t top
85 capri RS t top
85 capri GS 5.0 5 speed 1 of under 10 known
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14 GT500 ingot/black. Svtpp glass roof. Cover.

#77 OFFLINE   nascobra93

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Posted 15 December 2013 - 02:53 PM

I'm new to the forum -just got a 2014 GT500 for R&D. First thing needed was to get rid of doggy 3.31 gears - put 4.10's in. Had to put sticky's even to drive it - 315 NT-05R's. Now it hooks up. Very impressed with 585 RWHP stock with only 100 mi on clock Dynojet #'s. Car very susceptible to intercooler temp power variability- 585hp with car warm - not totally heat soaked. A/F very fat from factory at 11:1 - timing very conservative for 6000ft elevation at 19.
Going to do pump gas build-up with pulleys to over drive SC 20% ( 2.4" upper w/ 10% crank)
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hoping for 100hp - we'll see.
What an incredible car - 600hp from factory -warranty- AC - over 20 MPG! Who would ever think think the factory would offer such a thing!

#78 OFFLINE   JeffJ

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Posted 15 December 2013 - 04:02 PM

Based on your forum name, you must be my friend Matt!  It will be great to see what you can do with the 2014.  Once you get some data, feel free to start a new thread with your results and what type of kit you may have available.  I'm sure there will be quite a bit of interest in what you put together.


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#79 OFFLINE   Ray Lucca

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Posted 16 December 2013 - 11:16 AM

Back to the first post, great numbers Slot, especially SAE, smoothing 5.  Went to the RET Dyno Day on Sat.  A 7500 mile '13 Coupe went on the rollers.  Stock with a Non-oiled Blue Airaid Filter, on Cali 91 Octane "Premium":

 

1st pull:    609 Rwhp / 604 Rwtq

 

2nd pull:   603 Rwhp / 598 Rwtq

 

Very impressive, went immediately into "Cat protection" with a 10.1 A/F....  Very safe Ford Tune.....   Very impressive....

I hope mine does near as well when it's broken in and I get it on the rollers...



#80 OFFLINE   DubbsFaris

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Posted 16 December 2013 - 11:53 AM

Mine was 593-ish bone stock if I remember right...so right in line with you guys on a mustang dyno.

 

Ive added a lower pulley, CAI, Twin 65mm TB, Tune, LTHeaders, H-Pipe, and I added about 150 HP to mine....very easy to get that for 4k or so.  Once you get above 750 HP, there are concerns though.


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