Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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America's Oldest Speed Shop ®

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Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for high performance parts for street rods and racing for over 60 years. Speedway Motors has built a reputation for providing friendly expert advice and superior service. Whether you are racing, building a street rod or restoring an old classic, Speedway Motors has the performance parts you need – in stock and ready to ship today.

Vintage Engine Specifications

By Speedway Motors

  Created 2014

Flathead Ford V8 Specifications
YearCubic InchBoreStrokeStuds
'32-'38 221 3.0625" 3.750" 21
'39-'42 221 3.0625" 3.750" 24
  239* 3.1875" 3.750" 24
'43-'45 WWII - No new cars produced other than war effort      
'46-'48 239 3.1875" 3.750" 24
'49-'53 239 3.1875" 3.750" 24
  255* 3.1875" 4.000" 24


*USED IN MERCURY CARS ONLY FOR THESE YEARS