Mustang Mach 1 with the 4.6L 32 valve DOHC engine was offered only two years, 2003 and 2004, rated at 305 Horsepower @ 6000 RPM and 320 LBS torque @ 4250 RPM. The 2003 to 2004 Mustang Mach 1 is a 32 valve DOHC engine which is similar to the Mustang Cobra except being naturally aspirated with an aluminum block and different engine internal components. Also, the GT Mustang is a 4.6 SOHC 16 valve engine and is not the same as the Mach 1 4.6L 32 valve DOHC engine. The 4.6L DOHC engines are much more responsive to aftermarket mods and have greater potential. By the way, the weak spots in these DOHC engines are the pistons and connecting rods.
The Ford Mustang Mach 1 factory package lowers the vehicle one half of an inch, it also has a much firmer suspension for over all improved road handling. The Mach 1 handling package includes special front and rear coil springs with adapted load and spring rates. Mach 1 Mustangs all came factory with Tokico struts and shocks, unique stabilizer bars in the front and rear, plus added factory frame rail connectors to stiffen up the Mach 1 body. You also received big thirteen inch front rotors, with performance Brembo brake calipers which provided excellent stopping capability. The brake calipers came with a black-anodized finish which looked nice through factory 17 inch Magnum 500 wheels and worked well with standard anti-lock brakes and traction control.
The 2003-2004 Mustang Mach 1 package was a favorite for many due to the Mach 1’s appearance, ride, handling, braking, performance and that great looking Shaker hood reminiscent of the original 1969 Mach 1. All this along with some very eye catching exterior colors as Black – 1064 produced, Dark Shadow Gray – 1039 produced, Azure Blue – 1316 produced, Torch Red – 1259 produced, Oxford White – 697 produced, Competition Orange – 1039 produced, Screaming Yellow – 768 produced. It was just too much appeal, people couldn’t help but look at the Mach 1 and smile!
It has been reported that the 5 speed manual transmissions are more reliable and much stronger than the automatic transmissions for these years of Mustang Mach 1. With a 5 speed manual the Mach 1 weighed in at 3469 lbs and is the best choice of transmissions to have if going to add performance mods.
2003 Ford Mustang Mach 1
2003-2004 Mustang Mach 1 Powertrain Specs:
Engine: Modular 4.6L DOHC V8 (Aluminum Block) 4 Valve Heads.
Displacement 4.6L or 281 cid
Horsepower: 305 @ 6000
Torque: 320 @ 4250
Compression: 10.1 to 1
Fuel: Premium 91 octane up.
Exhaust: Stainless steel with chrome tips.
Transmission: 5 speed Tremec or 4 speed automatic AODE.
Final drive ratio: 3.55: 1
2003-2004 Mustang Mach 1 Suspension Specs:
Front: Independent, modified MacPherson strut with Separate spring on lower arm and stabilizer bar.Front springs are rated at 600 lb Helical coil, rubber-insulated, unique linear rate.Front struts Integral with Tokico struts, gas pressurized, Hydraulic, unique valving.
Rear: Four bar link with coil springs on lower arm, unique horizontal axle damper and stabilizer bar.Rear springs are rated at 250 lb Helical coil, rubber-insulated; unique linear rate.Rear shocks are unique axle damper, gas pressurized, hydraulic Tokico shock absorbers with horizontal axle dampers, with unique valving.
Sway bars front: 26.5 mm, rear 23mm.
Steering power assisted rack and pinion with 15.3:1 ratio.
Front brakes are 13 inch Brembo vented discs with aluminum dual piston calipers.
Rear brakes are 11.7 inch Brembo vented discs with aluminum dual piston calipers.
Wheels are 17 x 8-inch Magnum 500-style 5 spoke.
Tires are Goodyear 245/45ZR17 Eagle ZR45.
2003-2004 Mustang Mach 1 Exterior Dimensions And Weight Specs:
Curb Weight(MT/AT): 3465/3475 (lbs)
Wt. Dist. (Man/Auto): 57/43-57/43
Wheelbase: 101.3″
Track (F/R): 60.2/60.6 (inches)
Length: 183.2″
Width: 73.1″
Height: 52.4″
2003-2004 Mustang Mach 1 Performance Specs:
Quarter Mile: 13.2 @ 106.7mph (5 speed), 13.88 @ 102mph (automatic)
0-60mph: 4.7 seconds (5 speed), 5.6 seconds (auto)
Skidpad: 0.85 g
2004 Mustang Mach 1 Specs Compared To 2004 Mustang GT Specs:
Mustang Mach 1 horsepower and torque: 320 HP @6000 RPM and 320 lbs torque @ 4250 RPM, Redline 6800 RPM (manual only). Has forged crankshaft in manual Mach 1 and cast crankshaft in automatics.
Mustang GT horsepower and torque: 260 HP @ 5250 rpm and 302 lbs torque @ 4000 rpm, Redline 6000 rpm. Has a cast crankshaft in manual cars and automatics.
Both Mach 1 and Mustang GT come with 28 spline axles from the factory.
Both Mach 1 and Mustang GT come with 8.8 rear ends.
Stock ¼ mile Mach 1 runs 13.20 and GT Mustang runs 14.20, both having 5 spd manual transmissions.
Curb Weight 2004 Mustang Mach 1 is 3465 lbs manual trans and the 2004 Mustang GT is 3273 lbs manual trans.
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