How much RWHP should I have?

97Cobra · February 26th, 2008, 06:21 AM

so I dynoed my car before the mods and it had 245RWHP and 250RWTQ that was then....
and in Wyoming they dont have a dyno... so what should I be at by now?

I have BBK L/Ts, BBK o/r mid, accufab single blade TB, K&N FIPK Kit, & VMP tune...

Im assuming in the 260-275RWHP range...

WilltheThrill · February 26th, 2008, 11:40 AM

i would say that u have around 255 at the wheels.

KingChronic · February 26th, 2008, 01:12 PM

270-280

Regency 2007 · February 26th, 2008, 01:44 PM

275-285, tune will help it the most of all the mods

WilltheThrill · February 26th, 2008, 01:47 PM

^could those mods really give that kind of gains on a small ford engine AT THE WHEELS???

Ryan Paymaster · February 26th, 2008, 03:29 PM

Small Ford engine or not these motors take pretty damn well to modifications. I wouldn't be surprised if he was hitting near 290. His initial dyno seems sort of low.

StangAddiction · February 26th, 2008, 04:03 PM

Stock it's supposed to make a little over 250 at the wheels..

KingChronic · February 26th, 2008, 04:22 PM

Originally Posted by WilltheThrill

^could those mods really give that kind of gains on a small ford engine AT THE WHEELS???

you are aware the 03/04 cobra motor with a 99/01 intake on NA makes about 380BHP right? thats about 320RWHP.

StangAddiction · February 26th, 2008, 04:27 PM

Originally Posted by KingChronic

you are aware the 03/04 cobra motor with a 99/01 intake on NA makes about 380BHP right? thats about 320RWHP.

Wait...it makes 360rwhp with the SC... that would be a 40rwhp increase from the S/C... If the Terminator had the S/C taken off and replaced with a 99-01 intake, it should be between 310-325 bhp.. thats about 270 rwhp.. 380 rwhp n/a for a 4.6 4v is a lot N/A on any type of stock parts..

1BADSTANG · February 26th, 2008, 04:30 PM

Im going to say 265rwhp tops. I wouldn't have gotten the throttle body all they do is screw things up. Maybe you will see a horse out of it who knows.

KingChronic · February 26th, 2008, 04:34 PM

Originally Posted by StangAddiction

Wait...it makes 360rwhp with the SC... that would be a 40rwhp increase from the S/C... If the Terminator had the S/C taken off and replaced with a 99-01 intake, it should be between 310-325 bhp.. thats about 270 rwhp.. 380 rwhp n/a for a 4.6 4v is a lot N/A on any type of stock parts..

it has been done, and made 380hp on the engine dyno.

to start off with, its RATED at 390HP at the crank, it typically makes anywhere from 355-395RWHP in stock form, which is 420-465BHP. that SC probably needs 3PSI of the 8 it makes to overcome the power loss, so at about 9HP/PSI X5 thats 45HP the blower is adding. and that puts 380BHP on the bottom of the HP range. so 380BHP is perfectly logical. KB actually did one of the tests.

WilltheThrill · February 26th, 2008, 05:37 PM

Originally Posted by KingChronic

it typically makes anywhere from 355-395RWHP in stock form, .

i know the eaton m112 series blower isnt always efficient but why do stock termi's vary so much? u know?

KingChronic · February 26th, 2008, 05:40 PM

Originally Posted by WilltheThrill

i know the eaton m112 series blower isnt always efficient but why do stock termi's vary so much? u know?

many things, head finish quality, motor work quality, conditions in which they were dyno'd.

i feel the 380RWHP is about normal for one to dyno, ive done 2 stock ones back to back in 70 degree weather, not too too humid, at about 100 feet elevation and thats aout where they were. my 03 the day it was dyno'd stock it was about 50 degrees, very low humidity, and same elevation, and it dyno'd 395RWHP. many people called BS, and said it was the conditions, but it also proved later to be a strong above ordinary runner.

rk_2000_Z/28 · February 26th, 2008, 05:45 PM

Originally Posted by KingChronic

many things, head finish quality, motor work quality, conditions in which they were dyno'd.

i feel the 380RWHP is about normal for one to dyno, ive done 2 stock ones back to back in 70 degree weather, not too too humid, at about 100 feet elevation and thats aout where they were. my 03 the day it was dyno'd stock it was about 50 degrees, very low humidity, and same elevation, and it dyno'd 395RWHP. many people called BS, and said it was the conditions, but it also proved later to be a strong above ordinary runner.

BS! IT was the conditions.

WilltheThrill · February 26th, 2008, 05:57 PM

Originally Posted by KingChronic

my 03 the day it was dyno'd stock it was about 50 degrees, very low humidity, and same elevation, and it dyno'd 395RWHP. .

if thats 100% true, thats awesome!

96Snaker · February 26th, 2008, 08:53 PM

Originally Posted by Ryan Paymaster

Small Ford engine or not these motors take pretty damn well to modifications. I wouldn't be surprised if he was hitting near 290. His initial dyno seems sort of low.

My thoughts exactly.

Chris, my stock dyno was about 16hp/tq above the numbers you gave. After a mild tune I gained another 10hp.

Depending on how you get your car tuned, I'd think nothing but the 275-300 range for your car, to the ground. And with your 4.10's and a good driver mod (and some sticker rubber) I can see you going low 13's no prob.

KingChronic · February 26th, 2008, 09:18 PM

Originally Posted by rk_2000_Z/28

BS! IT was the conditions.

they can dyno high because of the car, there have been a few factory freaks out there, a few reports of well over 400RWHP stock in the same conditions.

JStang14 · February 26th, 2008, 10:30 PM

his stock dyno numbers sound about right really, horsepower tv dyno'd a 97 cobra and it came out at 245rwhp also

97Cobra · February 27th, 2008, 02:07 AM

plus the dyno was in greeley CO in high elevation

97Cobra · February 27th, 2008, 02:09 AM

Originally Posted by 96Snaker

My thoughts exactly.

Chris, my stock dyno was about 16hp/tq above the numbers you gave. After a mild tune I gained another 10hp.

Depending on how you get your car tuned, I'd think nothing but the 275-300 range for your car, to the ground. And with your 4.10's and a good driver mod (and some sticker rubber) I can see you going low 13's no prob.

your at sea level n I'm higher up where the air is thinner...

February 26th, 2008, 06:21 AM	#1
97Cobra I Post Entirely Way Too Much 1997 Mustang Cobra 1/8 - 8.89@86mph Join Date: Jan 2006 Location: Colorado Springs Posts: 6,535 iTrader: 1 reviews	How much RWHP should I have? so I dynoed my car before the mods and it had 245RWHP and 250RWTQ that was then.... and in Wyoming they dont have a dyno... so what should I be at by now? I have BBK L/Ts, BBK o/r mid, accufab single blade TB, K&N FIPK Kit, & VMP tune... Im assuming in the 260-275RWHP range... __________________ Modifications and pics in my Garage... Reps Appreciated!

February 26th, 2008, 01:12 PM	#3
KingChronic Gun Whore 04 Whipple Cobra 10.61@129.96 Join Date: Dec 2007 Location: Alexandria, VA Posts: 2,443 iTrader: 0 reviews	270-280 __________________ Modded Mustangs Make-A-Wish for Bubba "BWAL09" [url]http://www.moddedmustangs.com/forums/clubhouse/112652-hey-guys-mm-needs-unite-bubba.html[/url] [QUOTE=Drgnracin72;1870015]please do this country a favor and go play tag football with an oncoming car[/QUOTE]

February 27th, 2008, 02:07 AM	#19
97Cobra I Post Entirely Way Too Much 1997 Mustang Cobra 1/8 - 8.89@86mph Join Date: Jan 2006 Location: Colorado Springs Posts: 6,535 iTrader: 1 reviews	plus the dyno was in greeley CO in high elevation __________________ Modifications and pics in my Garage... Reps Appreciated!

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February 26th, 2008, 01:44 PM	#4
Regency 2007 Hardcore Enthusiast F-150 FX4 Join Date: May 2007 Location: Memphrica Posts: 1,157 iTrader: 0 reviews	275-285, tune will help it the most of all the mods

February 26th, 2008, 03:29 PM	#6
Ryan Paymaster Enthusiast 1996 Ford SVT Cobra 13.36@102 Join Date: Jun 2007 Location: Plainfield, IL USA Posts: 661 iTrader: 0 reviews	Small Ford engine or not these motors take pretty damn well to modifications. I wouldn't be surprised if he was hitting near 290. His initial dyno seems sort of low.

February 26th, 2008, 04:03 PM	#7
StangAddiction Enthusiast 2000 Mustang GT Join Date: Jan 2007 Location: Virginia Beach Posts: 986 iTrader: 0 reviews	Stock it's supposed to make a little over 250 at the wheels..

February 26th, 2008, 04:30 PM	#10
1BADSTANG Hardcore Enthusiast Join Date: Sep 2007 Location: long island Posts: 1,517 iTrader: 0 reviews	Im going to say 265rwhp tops. I wouldn't have gotten the throttle body all they do is screw things up. Maybe you will see a horse out of it who knows.

February 26th, 2008, 10:30 PM	#18
JStang14 Enthusiast 1996 Mustang GT Join Date: Oct 2007 Location: Greenwood, IN Posts: 590 iTrader: 0 reviews	his stock dyno numbers sound about right really, horsepower tv dyno'd a 97 cobra and it came out at 245rwhp also

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