5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

how much HP

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Old 02-14-2007, 10:16 PM
  #1  
Zellanor
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Default how much HP

I've got a buddy that brags about how much Hp, he has in his 91 LX 5.0. heres a rundown of what he has:

BBK CAI
GT40 HEADS
COMP STAGE 2 CAMS
30Lbs Injectors with 80mm Maf
Trickflow Intake
BBK Throttlebody
BBK Headers
Mac ProChamber Hpipe
40 Series Flowmasters
Cobra Computer

Now he's claiming 400-425 RWHP, could this be feesable? I find that hard to believe. I have an 05 Stang GT, if I were to put those parts or equal, I'd be lucky to break 380-400RWHP. And I know I came stock with at least 40-50 more HP than a 91 LX 5.0. If anyone can help me prove him wrong I would greatly appreciate it. Thanks for your time.
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Old 02-14-2007, 10:22 PM
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Redrider69
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Default RE: how much HP

Id be supprised if that even got around 300 rwhp.
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Old 02-14-2007, 10:27 PM
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Zellanor
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Default RE: how much HP

how much HP did a 91 LX 5.0 come with?
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Old 02-14-2007, 10:33 PM
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86 5.0L
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Default RE: how much HP

225BHP

~190RWHP
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Old 02-14-2007, 10:44 PM
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sick95gt
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Default RE: how much HP

Is it a 302? If so, then no way. Maybe with a 347 or something...
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Old 02-14-2007, 10:45 PM
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Zellanor
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Default RE: how much HP

yeah it's a 5.0 (302)
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Old 02-14-2007, 11:00 PM
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nmerrill
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Default RE: how much HP

i bet under 300RWHP. Bring him back down to reality....
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Old 02-14-2007, 11:06 PM
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Zellanor
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Default RE: how much HP

I am just going to race him to bring him back!!!!
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Old 02-14-2007, 11:14 PM
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bouchermb
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Default RE: how much HP

Under 300. I'm at 450 or may be a little more and look at what some of my mods are.

He's out of his mind. I had to do the heads, cam, stroker kit, Pro M MAF, and 42 lb. inj. to get to those levels.

I was at 270 RWHP with an SC and a ton more mods than he has.

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Old 02-14-2007, 11:15 PM
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r.barn
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Default RE: how much HP

he's making about 260-270rwhp with that combo.
My 302 w/ AFR165 heads, BBK intake and full exhaust made 270rwhp
and those are a lot better heads than he's running.

you're making about 250-260rwhp in a stock '05 GT

It should be a close race between a stock '05 GT and a 5.0 with those mods.
He might take you if he has 3.73 gears............. and he is a little liter.

His 30lbs injectors are a total waste of money too.
Stock 19's would keep up with that combo easy.
I'm running 24's and making over 350rwhp and running rich.
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