Im an InFo nut.. I save a page from MM&FF along time ago that had this info.. So here you go..
4.6-liter SOHC and DOHC
Aluminum block weight (bare): 86 lbs.
Iron block weight (bare): 154 lbs.
Assembled cylinder head weight: 44 lbs.*
Displacement: 4.6 liters/281 cubic inches
Bore: 3.552 inches
Stroke: 3.543 inches
Bore spacing: 3.937 inches
Main journal dia.: 2.657 inches
Rod journal dia.: 2.086 inches
Rod length: 5.933 inches
Deck height: 8.937 inches
*Assembled 302 iron head weighs approx. 55 lbs.
1996, 1997 4.6 SOHC 215HP Mustang Engine
Throttle body: 65mm (2.559 inches)
Intake manifold: composite, cast No. F6ZE-CG
Cylinder heads: cast No. RF-F5AE-AE
Combustion chambers: 49.77cc
Valves: 1.752/1.339 inches
Rockers: roller type, w/1.80:1 ratio
Camshaft lift: .473/.473-inch lift
Compression ratio: 9.30:1
Pistons: hypereutectic w/.153-inch dish
1998 4.6 SOHC 225HP Mustang Engine 225?? It has the same specs as 96, 97
Throttle body: 65mm (2.559 inches)
Intake manifold: composite, cast No. F6ZE-CG
Cylinder heads: cast No. RF-F5AE-AE
Combustion chambers: 49.77cc
Valves: 1.752/1.339 inches
Rockers: roller type, w/1.80:1 ratio
Camshaft lift: .473/.473-inch lift
Compression ratio: 9.30:1
Pistons: hypereutectic w/.153-inch dish
1999 4.6 SOHC 260HP Mustang Engine
Throttle body: 66.8mm (2.630 inches)
Intake manifold: composite, cast No. XR3E-DC
Cylinder heads: cast No. RFXL3-CZOD
Combustion chambers: 42.40cc
Valves: 1.752/1.417 inches
Rockers: roller type, w/1.80:1 ratio
Camshaft lift: .505/.534-inch lift
Compression ratio: 9.30:1
Pistons: hypereutectic w/.188-inch dish
2000 4.6 SOHC 260HP Mustang Engine
Throttle body: 65mm (2.560 inches)
Intake manifold: composite, cast No. XR3E-DC
Cylinder heads: cast No. RFXL3-CZOD
Combustion chambers: 42.45cc
Valves: 1.752/1.417 inches
Rockers: roller type, w/1.81:1 ratio
Camshaft lift: .505/.534-inch lift
Compression ratio: 9.74:1
Pistons: hypereutectic w/.188-inch dish
2001 4.6 SOHC 260HP Mustang Engine
Throttle body: 65mm (2.560 inches)
Intake manifold: composite, cast No. 1L2E-DL
Cylinder heads: cast No. RF1L2E-6090-D22D (or D24D)
Combustion chambers: 42.45cc
Valves: 1.752/1.417 inches
Rockers: roller type, w/1.81:1 ratio
Camshaft lift: .505/.534-inch lift
Compression ratio: 9.74:1
Pistons: hypereutectic w/.145-inch dish
2001 4.6 SOHC 265HP Mustang Bullitt Engine
Throttle body: twin 57mm (twin 2.24-inch)
Intake manifold: cast aluminum, cast No. RF-2RE3-9A448-AA
Cylinder heads: cast No. RF1L2E-6090-D22D (or D24D)
Combustion chambers: 42.45cc
Valves: 1.752/1.417 inches
Rockers: roller type, w/1.81:1 ratio
Camshaft lift: .505/.534-inch lift
Compression ratio: 9.74:1
Pistons: hypereutectic w/.145-inch dish
Matt
EDIT: I did a search and the page is still up..
http://www.musclemustangfastfords.com/tech/0302MMFF_MixMatch/