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Ford F-1 Pickup
The first generation Ford F-Series (also known as Ford Bonus-Built trucks) is a line of trucks that Ford produced from 1948 to the 1952 model years. The introduction of the F-Series marked a departure in the design of Ford cars and trucks. The first generation F-Series is the only generation produced exclusively with 95 hp (71 kW) "Flathead" engines (inline 6 and V8).
The first generation F-Series was sold in eight different chassis (based on their GVWR), which gave them their model names; The F-1 was the lightest version with the F-8 as the tallest. F-1 to F-3 pickups (which formed the basis of panel trucks) were offered.
The most common first-generation model was the F-1 with a 6 ½-foot (1.98 m) bed, 45-cubic-foot cargo volume, and a 114-inch wheelbase.
FL Panhead
Harley-Davidson FL is the model designation used for Harley-Davidson motorcycles since 1941, when the F denoted a new 74 cui (1,200 cc) high-volume variant of the overhead valve (″ Knucklehead ″) V-2 engine. The presence of an additional letter L indicated higher compression, which offers more power but requires higher octane gasoline.
The FL was introduced to the Harley-Davidson model line in 1941. It used a 74 cu in version of the "Knucklehead" OHV engine that powered the EL in 61 cu in (1,000 cc) form. The FL shared its frame with the EL and the U and UL used a 74 cubic inch flathead engine. The FL continued relatively unchanged until 1948, when it and the EL received redesigned "Panhead" engines of the same capacities as before. These engines had several improvements over the earlier "Knuckleheads", including self-adjusting hydraulic lifters and aluminum cylinder heads to reduce weight and improve cooling.