Ford engine specifications
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*Engines were built by Ford, not by the racing teams, teams were banned from making any modifications to them once they were delivered | *Engines were built by Ford, not by the racing teams, teams were banned from making any modifications to them once they were delivered | ||
| − | ===302 | + | ===302 BOSS=== |
*Top performer of the 90 degree family | *Top performer of the 90 degree family | ||
*Production from 1969 to 1970 | *Production from 1969 to 1970 | ||
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*780 cfm Holley four barrel carburetor | *780 cfm Holley four barrel carburetor | ||
| − | === | + | ===BOSS 429=== |
*All aluminum cast cylinder heads | *All aluminum cast cylinder heads | ||
*Crescent type combustion chambers | *Crescent type combustion chambers | ||
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*Identified by casting ''429HP'' on block | *Identified by casting ''429HP'' on block | ||
*Higher nodular cast iron content block with thicker cylinder walls | *Higher nodular cast iron content block with thicker cylinder walls | ||
| − | *Two versions of the | + | *Two versions of the BOSS 429 existed, they were the 820-S w/solid lifter cam and 820-T w/hydraulic cam |
*Forged steel cross-drilled crankshaft | *Forged steel cross-drilled crankshaft | ||
*Forged aluminum pistons | *Forged aluminum pistons | ||
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*Larger outboard bolts in #1 main bearing cap | *Larger outboard bolts in #1 main bearing cap | ||
*Deck was grooved for O-rings | *Deck was grooved for O-rings | ||
| − | *Longer rods than the | + | *Longer rods than the BOSS 429/820-S type |
*Semi-hemispherical combustion chamber | *Semi-hemispherical combustion chamber | ||
*Stainless steel intake valves | *Stainless steel intake valves | ||
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*Available in Ford, Mercury and Lincoln | *Available in Ford, Mercury and Lincoln | ||
*Similar to 429, but with longer stroke of 3.85" | *Similar to 429, but with longer stroke of 3.85" | ||
| − | *During its earlier years, pre 1973, horsepower was rated at 365. After 1972 horsepower ranged from 208 to 275 | + | *During its earlier years, pre-1973, horsepower was rated at 365. After 1972 horsepower ranged from 208 to 275 |
*Intake/exhaust valves are 2.08" x 1.66" | *Intake/exhaust valves are 2.08" x 1.66" | ||
*Intake/exhaust valves for the Police Interceptor 460 heads (from 1973-'74) measure 2.19" x 1.66" | *Intake/exhaust valves for the Police Interceptor 460 heads (from 1973-'74) measure 2.19" x 1.66" | ||
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*Horsepower varied from approximately 280 during the first year of production down to 246 hp by 1973-74. | *Horsepower varied from approximately 280 during the first year of production down to 246 hp by 1973-74. | ||
| − | ===351 | + | ===351 BOSS=== |
*Most desirable | *Most desirable | ||
| − | *Only available in the 1971 | + | *Only available in the 1971 BOSS 351 Mustang |
*Four bolt mains | *Four bolt mains | ||
*High nodular content cast iron crankshaft | *High nodular content cast iron crankshaft | ||
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===351 HO=== | ===351 HO=== | ||
| − | In 1972, Ford rolled the 351 | + | In 1972, Ford rolled the 351 BOSS over into the 351 High Output for the new year. Slightly less desirable than the Boss 351, the 351 High Output used the spread bore bolt pattern cast iron manifold for the Autolite 4300-D. |
With a milder camshaft, the output of the 351 HO was about 275 horsepower. | With a milder camshaft, the output of the 351 HO was about 275 horsepower. | ||
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