221 2V
1962–1963145 hp gross reference
Original production version of Ford's new lightweight small-block V8.
TorqueList Original Technical Art
Ford 221 Windsor V8
V8 · N/A
Ford · Windsor Small-Block
The compact thin-wall V8 that started Ford's small-block Windsor lineage.
221
Cubic inches
The 221 is the root of the Windsor small-block tree. It introduced the compact architecture that would become one of Ford's most important performance engine families.
Key variants
Displacement
221 ci
Bore
3.5"
Stroke
2.87"
Years
1962–1963
Key Takeaway
Ford's 221 established the compact 4.38-inch-bore-spacing small-block family that grew into the 260, 289 and 302.
Ford's 221 established the compact 4.38-inch-bore-spacing small-block family that grew into the 260, 289 and 302.
Variant-specific values are labeled. Engine families that span multiple years or RPOs can have different heads, cams, induction and rotating parts, so the exact code/year always takes priority.
Identification & Output
Rotating Assembly
Operating Specs
Compatibility Notes
The 221 itself was primarily a passenger-car engine, but its architecture directly led to Ford's highly successful 260/289 racing programs.
The first chapter of the Windsor small-block story.
145 hp gross reference
Original production version of Ford's new lightweight small-block V8.
Ford Performance lists a 3.500-in bore, 2.870-in stroke, 2.249-in main journals and 2.123-in rod journals.
The 221/260 castings have less cylinder-wall material than the later 289, so they should not be treated as simple overbore candidates to 289 dimensions.
History · context · related reading
Before the 289 became a Mustang legend, Ford's new thin-wall small-block started at just 221 cubic inches.
Origins
01The small 221 established the bore spacing, packaging and basic architecture later used by the 260, 289 and 302.
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