Mustang Guys, Question for you

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  • GarrettM
    Mod Crazy
    • Jun 2007
    • 674

    #1

    Mustang Guys, Question for you

    I am looking to pick up a beater 5.0 GT fox body. I was just wondering at what RPM the stock 5.0L will stop making power? 6500ish?
    I would ask on the generic local forum but they are a bunch of flaming douche bags who can't take any one asking simple questions.
    Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.
  • PiercedE30
    R3V Elite
    • Apr 2005
    • 4220

    #2
    From the Mustangs that I have been around, I would be willing to bet that they stop making power around 5700-6000. Not many people I know even take their GT's up over 6.
    My 2.9L Build!

    Originally posted by Ernest Hemingway
    There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.

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    • jbsjunk
      E30 Addict
      • May 2006
      • 477

      #3
      6000 is usually safe, the factory rev limiter kicks in at 6300 if it has the EFI on it.

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      • LivingLegend06
        E30 Mastermind
        • Dec 2006
        • 1604

        #4
        my fox body red lined at 6k I believe but i never took it so far as to make it bounce. Stock I'm sure power is dropping off before 6k. The factory heads/intake manifold/exhaust don't flow very well at all.

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        • cwsqbm
          Member
          • Sep 2006
          • 54

          #5
          Originally posted by LivingLegend06
          my fox body red lined at 6k I believe but i never took it so far as to make it bounce. Stock I'm sure power is dropping off before 6k. The factory heads/intake manifold/exhaust don't flow very well at all.
          Its been awhile since I've looked at 5.0 Mustangs (I almost bought a new one in '88), but realistically the power falls off quickly after 4500rpm. The peak power was 225hp at only 4000rpm, and was known more for its torque. Stock, they were quick for their day, but realistically they were a low 15 second 1/4 mile car.

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          • JasonC
            Site Manager
            • Aug 2006
            • 14451

            #6
            To the OP, how much is the fox bodys you're looking at? Cause i know the prices of the 4th gen LT1 camaro's/firebirds have fallen pretty good. Plus they get good gas mileage with the 6 speeds. I can get 28mpg (on the highway as long as i stay under 72mph)out of my 96 Formula with the bolt on's that i got on it, LT headers,ORY pipe, Hooker cat back, 1.6RR, ram air, and so on.

            1992 BMW 325iC
            1978 Chevrolet Monte Carlo
            1965 Chevrolet Corvair Monza 140hp

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            • Jonathan M3
              E30 Mastermind
              • Oct 2003
              • 1837

              #7
              Stock 5.0s are done by 5k, they have eta-like powerbands. I don't know why the stock rev-limiter went to 5900, but its funny to rev them that high because they sound like they're straining to stay together at that rpm!

              '05 E46 M3 Imolarot/Cinnamon - CURRENT
              '98 E36 M3 Estorilblau/Dove - SOLD
              '90 E30 M3 Brilliantrot/Black - SOLD
              SRS BSNS Motorsports - 24hrs of LeMons Racer

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              • GarrettM
                Mod Crazy
                • Jun 2007
                • 674

                #8
                Originally posted by JasonC
                To the OP, how much is the fox bodys you're looking at? Cause i know the prices of the 4th gen LT1 camaro's/firebirds have fallen pretty good. Plus they get good gas mileage with the 6 speeds. I can get 28mpg (on the highway as long as i stay under 72mph)out of my 96 Formula with the bolt on's that i got on it, LT headers,ORY pipe, Hooker cat back, 1.6RR, ram air, and so on.
                1991 GT 5 speed.
                2200$

                >1991 Mustang GT
                > Five Speed Transmission
                >Dark Green with Silver bottom
                >Gray leather interior
                >Sunroof
                >Five star rims

                >100,000 miles
                >Body is in good condition, some minor rust around wheel wells
                >Car does need a fuel pump

                >Firm price is $2,200
                >The car is located in Pembroke
                Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

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                • Mr.sexymorningvoice
                  E30 Addict
                  • Sep 2007
                  • 402

                  #9
                  my buddies 5.0 95 gt runs damn good from 2k to about 5700, and i would never take it past there cause it drops of horribly, with the vavle springs they have, the valves start floating a little over 6 anyways
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