The 257 cu in (4.21 L) 257 was used only by the Oldsmobile 76 during the 1949-50 model years.
Read more about this topic: Oldsmobile Straight-6 Engine
The 257 cu in (4.21 L) 257 was used only by the Oldsmobile 76 during the 1949-50 model years.
Read more about this topic: Oldsmobile Straight-6 Engine