Site designed and maintained by Mike Clouser.
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1993 General Engine Specs
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| Application | Specification |
| Displacement | 302 cubic inches |
| Bore | 4.00"(101.6mm) |
| Stroke | 3.00"(76.2mm) |
| Compression ratio | 9.0:1 |
| Fuel system | SFI |
| Horsepower @ RPM | |
| Cougar & Thunderbird | 200 @ 4000 |
| Mustang (not Cobra) | 205 @ 4200 |
| Torque @ RPM | |
| Cougar & Thunderbird | 275 @ 3000 |
| Mustang (not Cobra) | 275 @ 3200 |
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Connecting rod and main bearing Specs
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| Application | Inches(mm) |
| Crankshaft end play | |
| Standard | .004-.008(.10-.20) |
| Service Limit | .012(.30) |
| Main Bearings | |
| Journal Diameter | 2.2482-2.2490(57.104-57.125) |
| Journal out-of-round | .0006(.015) |
| Journal Taper | .0004 per 1.0(.010 per 25) |
| Journal Runout | .0002(.005) |
| Oil Clearance | |
| Standard | .0004-.0015(.010-.038) |
| Wear Limit | .0021(.053) |
| Connecting Rod Bearings | |
| Journal Diameter | 2.1228-2.1236(53.919-53.939) |
| Journal Out-of-Round | .0006(.015) |
| Journal Taper | .0006 per 1.0(.015 per 25) |
| Oil Clearance | |
| Standard | .0008-.0015(.020-.038) |
| Wear Limit | .0024(.061) |
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Connecting rods Specifications
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| Application | Inches(mm) |
| Bore Diameter | |
| Pin Bore | .9096-.9112(23.104-23.144) |
| Crankpin Bore | 2.2390-2.2398(56.870-56.890) |
| Center-to-Ceter Length | 5.0885-5.0915(129.248-129.324) |
| Maximum Bend | .012(.30) |
| Maximum Twist | .024(.61) |
| Side Play | |
| Standard | .010-.020(.25-.51) |
| Wear Limit | .023(.58) |
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Piston Pins & Rings Specifications
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| Application | Inches(mm) |
| Pistons | |
| Clearance | .0012-.0020(.030-.051) |
| Diameter (1) | |
| Red | 3.9991-3.9997(101.577-101.592) |
| Blue | 4.0003-4.0009(101.607-101.622) |
| Yellow | 4.0015-4.0021(101.638-101.653) |
| Pins | |
| Diameter(Standard) | .9119-.9122(23.16-23.17) |
| Piston Fit | .0002-.0004(.005-.010) |
| Rod Fit | Press Fit |
| Rings | |
| No. 1 | |
| End Gap | .010-.020(.25-.51) |
| Side Clearance | .002-.004(.05-.010) |
| No. 2 | |
| End Gap | .018-.028(.46-.71) |
| Side Clearance | .002-.004(.05-.010) |
| No. 3(Oil) | |
| End Gap | .010-.040(.25-1.02) |
| Side Clearance | Snug Fit |