1903 OLDSMOBILE Curved Dash, 1-cyl.

1903 OLDSMOBILE Curved Dash, 1-cyl.

Another round of major changes was introduced again in mid-1903 which included redesigning the differential housing to a more conventional bolt-together style from ones that screwed together, changing the cylinder head block so a separate water jacket sleeve was no longer needed along with adding some cooling fins, replacing the #4 block chain with a #46 roller chain and improving the water cooling by replacing the smooth tubed radiator and centrifugal pump with a finned radiator and a positive flow gear pump.

 

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