Re-Engineering the Model A Engine
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  • Main Article
    • 01. Differences Between Model A and Modern Design Practices
    • 02. Evolution of the Model A Ford Engine
    • 03. Racecars
    • 04. Comments on Modified Engines
    • 05. Groundwork for Redisign
    • 06. Constraings Imposed
    • 07. Engineering Methodoligy (Old vs. New)
    • 08. Wishlist for Redisign
    • 09. Operating Conditions and Assumption
    • 10. Summary of What Can Be Done
    • 11. Engineering Starting Point
    • 12. Connecting Rod Design (A-6200)
    • 13. Crankshaft Design (A-6303)
    • 14. Main Bearing Caps and Rear Main Read Seal Design
    • 15. Cylinder Block Design (A-6015)
    • 16. Assembly of Cores
    • 17. Machined Casting Solid Model
    • 18. Oil Pump Drive Bearing Design (A-6560)
    • 19. Other Parts
    • 20. Comment on Machine Shops and Rebuilt Engines
    • 21. Assembling the New Engine
    • 22. Filling a Void
    • 23. Status of Engineering
    • 24. Whats Next
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Constraints Imposed


To maintain the original appearance of a Model A engine and the interchangeability of parts, the following three constraints have been imposed on this engineering study and redesign. These constraints are: 


     The external appearance of the engine cannot change from the appearance of a completely stock Model A engine. 


     All internal and external interfaces where mating parts attach cannot change from the interfaces on a completely stock Model A engine. 
 

    All basic engine dimensions cannot change and must remain equivalent to the dimensions found in a stock Model A engine. 


 
In other words, an engine assembled with the four redesigned parts of this engineering study with all other parts stock will have an exterior appearance identical to a Model A engine but have the life and reliability approaching that of a modern engine. If you haven’t guessed it by now, the four parts that have been redesigned in this engineering study are the crankshaft (A-6303), connecting rod (A-6200), cylinder block (A-6015), and oil pump drive bearing (A-6560).

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