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Old 12-31-2006, 10:41 PM   #1
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quick hp question

if we are supposed to be running 260 hp/305 trq stock, how can ppl be saying that the guy in my link is running 245-250 hp with a bunch of mods? just dont understand it....

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Old 12-31-2006, 11:45 PM   #2
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Re: quick hp question

wheel HP on a dyno = different from crank HP


WHP = ~18% less than crank HP
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Old 01-01-2007, 01:44 AM   #3
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Re: quick hp question

yea, but didnt Ford state that the 99-04 GT makes 260/305 to the wheels?
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Old 01-01-2007, 10:02 AM   #4
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Re: quick hp question

no, car manufacturers state their HP ratings at the crank
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Old 01-04-2007, 04:03 PM   #5
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Re: quick hp question

Plus, just about every dyno is different. The operator can actually make it appear like you car gained "20" hp from a cold air intake by messing with the variables in the computer. Dyno numbers are for supra owners is what I say. Dyno's are nothing but a machine to tune your car to run at it's best with aftermarket parts. You can take a totally stock 99-04 gt and go to one dyno shop with a dyno jet and get upwards of 250ish at the wheels and in the same day go somewhere with a mustang(not ford mustang) dyno and only get 200ish at the wheels.
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Old 01-04-2007, 06:00 PM   #6
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Re: quick hp question

lol, so who do you trust then? if i want a true reading of my hp/tq at the wheels, who am i supposed to believe? kinda confusing.
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Old 01-04-2007, 06:09 PM   #7
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Re: quick hp question

99-04 GTs are rated at 260hp/300tq~ and dyno around 225-235rwhp/260-270tq (stock)
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Old 01-04-2007, 06:12 PM   #8
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Re: quick hp question

sweeet, i know i can always trust spec! he knows his shyt.
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Old 01-05-2007, 03:45 PM   #9
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Re: quick hp question

Quote:
Originally Posted by maximus View Post
lol, so who do you trust then? if i want a true reading of my hp/tq at the wheels, who am i supposed to believe? kinda confusing.
You don't. Dyno numbers are just that, numbers. The best way to figure out what kind of power you are putting at the wheels is to go the strip and run it. MPH to me is the best way to guesstimate the capability of the car. ET though, is the most important because it factors in power, traction, suspension, and driver.
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Old 01-05-2007, 05:05 PM   #10
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Re: quick hp question

If you want the true reading of HP/TQ you will have to find a perfectly calibrated dyno and dyno it, you can tweek them to read much higher. I am sure many "tuners" out there just tweek the settings and tell you that you got 40hp from their tune...
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Old 01-06-2007, 05:17 AM   #11
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Re: quick hp question

thats just awesome...
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Old 01-06-2007, 03:50 PM   #12
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Re: quick hp question

Quote:
Originally Posted by maximus View Post
if we are supposed to be running 260 hp/305 trq stock, how can ppl be saying that the guy in my link is running 245-250 hp with a bunch of mods? just dont understand it....
a 99-04 GT is rated at 260 to the crank and puts down 220-240 to the wheels depending on dyno, weather, etc.

with some mods like boltons and tuning, he can reach 300 to the crank and dyno anywhere between 240-260 to the wheels.
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Old 01-07-2007, 03:40 PM   #13
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Re: quick hp question

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Originally Posted by Thomas91169 View Post
a 99-04 GT is rated at 260 to the crank and puts down 220-240 to the wheels depending on dyno, weather, etc.

with some mods like boltons and tuning, he can reach 300 to the crank and dyno anywhere between 240-260 to the wheels.
So.... pretty much what spector said
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Old 01-07-2007, 04:44 PM   #14
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Re: quick hp question

Quote:
Originally Posted by bullitt482 View Post
So.... pretty much what spector said
yeah i know, i didnt read all the reply's just clicked on post and typed away.

dont be jealous that me and spec are equal thinkers............
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Old 01-07-2007, 04:50 PM   #15
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Re: quick hp question

You and your eleanor crack me up.
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Old 01-07-2007, 09:24 PM   #16
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Re: quick hp question

lol, well thanks for the input anyways guys...
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Old 01-08-2007, 02:37 AM   #17
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Re: quick hp question

I've done a dyno run and had a bad plug and coil at the time and I have a fenderwel cai did 4 pulls and my numbers were.
run1.220rwhp 259ft-lbs
run2.212rwhp 253ft-lbs
run3.214rwhp 255ft-lbs
run4.219rwhp 264ft-lbs
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Old 01-08-2007, 06:50 PM   #18
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Re: quick hp question

and what kind of car did you run? an 86?
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Old 01-08-2007, 09:33 PM   #19
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Re: quick hp question

judging by his other posts -> he has a 99+ 4.6 liter
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Old 01-08-2007, 11:08 PM   #20
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Re: quick hp question

^ ty monte, didnt think of lookin at that.
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