4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

How much horsepower am i pushing?

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Old 02-13-2007, 12:05 AM
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GTMustang6921
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Default How much horsepower am i pushing?

Cruious as to what you all think i have at the crank with my mods....
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Old 02-13-2007, 12:08 AM
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jacrockett
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Default RE: How much horsepower am i pushing?

Maybe 300 if you're lucky.... I'm giving 20-25 for the tuning.
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Old 02-13-2007, 12:10 AM
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04gtmatt
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Default RE: How much horsepower am i pushing?

joking right?
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Old 02-13-2007, 12:11 AM
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GTMustang6921
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Default RE: How much horsepower am i pushing?

u only think 300 at the crank from 260 stock.
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Old 02-13-2007, 12:17 AM
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GTMustang6921
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Default RE: How much horsepower am i pushing?

yeah ive heard a lot of diff answers.....if you aint gonna help dont bother wasting your time saying joking right....
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Old 02-13-2007, 12:18 AM
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jacrockett
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Default RE: How much horsepower am i pushing?

ORIGINAL: GTMustang6921

u only think 300 at the crank from 260 stock.
Intake and exhaust on a GT doesn't get you very much. The numbers posted on vendor websites are often for a 03-04 Cobra; where the blower needs to breathe better.

The best way to know for sure is to get a custom dyno-tune. You can also time your acceleration from 60-90 mph, and then do some simple math, but factory speedometers aren't always that accurate either.

If you really want to make noticable power, you need forced induction.
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Old 02-13-2007, 12:20 AM
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GTMustang6921
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Default RE: How much horsepower am i pushing?

Well, I plan to do a Vortech V-1 S-Trim supercharger in the next 2 months. So, what would your incite be on how much horsepower i would have?
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Old 02-13-2007, 01:02 AM
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wes ley n the G T
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Default RE: How much horsepower am i pushing?

260-270rwhp max. You dont even have cams.
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Old 02-13-2007, 01:07 AM
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IownaMustangNow
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Default RE: How much horsepower am i pushing?

yea im gunna agree with about 300 to the crank .. . i mean if yur talkin crank horsepower we'll give u 20 for full exhaust (being generous, and playing off what the catalogues say) 10 for plenum and tb, thats 290 and we'll say 20 for the tuning, tht sounds good. . .so 310 crank. . Exhausts really can lift you about 20 to the crank i mean letting the car breathe better is huge, and i know when i eliminate sum cats off my 96(3 on each side) that should eliminate ALOT of restriction, so i think the gain would be bigger for my car. but yea, 310. but you should dyno tune it
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Old 02-13-2007, 01:34 AM
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97targa
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Default RE: How much horsepower am i pushing?

240rwhp. Most guys with all the mods including stage 2 cams and stage 2 ported heads are only getting 280-285rwhp! Heads are worth 15hp and cams another 15-20hp, so take 285 on the high side minus 35hp because you don't have heads or cams that's only 250rwhp. Also you have to consider that the heads and cams make your other mods produce more hp, so I would take away another 5hp per say. all in all 245rwhp!
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