Modular Engine Bore and Stroke Specifications
| Displacement | Bore | Stroke | Bore Spacing | Main Journal Dia. | Rod Journal Dia | Rod Length | Deck Height | Aluminum Block Weight | Iron Block Weight | Assembled Head Weight |
| Common 4.6 SOHC and DOHC Modular Engine Specs | ||||||||||
| 4.6L / 281ci | 3.552 | 3.543 | 3.937 | 2.657 | 2.086 | 5.933 | 8.937 | 86 | 154 | 44 |
| Common 5.4L and 6.8L Modular Engine Specs | ||||||||||
| 5.4L / 330ci 6.8L / 415ci | 3.552 | 4.165 | 3.937 | 2.657 | 2.086 | 6.657 | 10.078 | |||
*Specifications as documented by NHRA.
Modular Head / Cam / Intake Specifications
| Throttle Body | Intake Manifold | Cylinder Heads | Comb. Chamber | Valves | Rockers | Cam Lift | Cam Duration | Comp Ratio | Pistons |
|
1996-1998 Ford Mustang Cobra 4.6L DOHC 305HP |
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| Twin 57mm, twin 2.24" | Casting F6ZE-EE (upper) F6ZE-BF (lower) | Casting RF-F5DE-FC | 47cc | 1.457/1.181 in | Roller 1.80:1 | .390/.390 in | NA | 10.15:1 | Hypereutectic w/.055 in dish |
|
1999 Ford Mustang Cobra 4.6L DOHC 320HP |
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| Twin 57mm, twin 2.24" | Casting XR3E-95455 | Casting RFXR3E-6C064-BE | 51cc | 1.456/1.181 in | Roller 1.80:1 | .395/.395 in | NA | 10.01:1 | Hypereutectic w/.057 in dish |
|
2001 Ford Mustang Cobra 4.6L DOHC 320HP |
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| Twin 57mm, twin 2.24" | Casting XR3E-95455 | Casting RFXR3E-6C064-BE | 51cc | 1.456/1.181 in | Roller 1.80:1 | .395/.395 in | NA | 10.05:1 | Hypereutectic w/.057 in dish |
|
2003 Ford Mustang Cobra 4.6L DOHC 390HP |
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| Twin 57mm, twin 2.24" | Supercharged | Casting RF-2C5EC064-AF | 52cc | 1.456/1.181 in | Roller 1.80:1 | .395/.395 in | NA | 10.05:1 | Hypereutectic w/.??? in dish |
|
1996-1998 Mustang 4.6L SOHC 215HP |
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| 65mm (2.559 in) | Casting F6ZE-CG | Casting RF-F5AE-AE | 49.77cc | 1.752/1.339 in | Roller 1.80:1 | .473/.473 | 9.30:1 | Hypereutectic w/.153 in dish | |
|
1999 Mustang 4.6L SOHC 260HP |
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| 66.8mm (2.63 in) | Casting XR3E-DC | Casting RFXL3-CZOD | 42.40cc | 1.752/1.417 in | Roller 1.80:1 | .505/.534 in | @ .050" 186/194 | 9.30:1 | Hypereutectic w/.188 in dish |
|
2000 Mustang 4.6L SOHC 260HP |
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| 65mm (2.559 in) | Casting XR3E-DC | Casting RFXL3-CZOD | 42.45cc | 1.752/1.417 in | Roller 1.81:1 | .505/.534 in | @ .050" 186/194 | 9.30:1 | Hypereutectic w/.188 in dish |
|
2001 Mustang 4.6L SOHC 260HP |
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| 65mm (2.56 in) | Casting 1L2E-DL | Casting RF1L2E-6090-D22D or D24D | 42.45cc | 1.752/1.417 in | Roller 1.81:1 | .505/.534 in | @ .050" 186/194 | 9.74:1 | Hypereutectic w/.145 in dish |
|
2001 Mustang Bullitt 4.6L SOHC 265HP |
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| Twin 57mm, twin 2.24" | Casting RF-2RE3-9A448-AA | Casting RF1L2E-6090-D22D or D24D | 42.45cc | 1.752/1.417 in | Roller 1.81:1 | .505/.534 in | @ .050" 186/194 | 9.74:1 | Hypereutectic w/.145 in dish |
|
2003 Mustang 4.6L SOHC 260HP |
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| 65mm (2.56 in) | Casting 1L2E-DL | Casting RFXL2E-6090-D22D or D24D | 42.45cc | 1.752/1.417 in | Roller 1.81:1 | .505/.534 in | @ .050" 186/194 | 9.74:1 | Hypereutectic w/.145 in dish |
*Specifications as documented by NHRA.