The Initial Freshening
Go to <Last, Summary, Next>Engine—Carburetor Adjustment
 The Kissel Model 6-55 advanced six-cylinder engine |
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| CARBURETOR: The Stromberg OS-1 carburetor (left) from the Kissel operating manual and the Stromberg OS-2 carburetor (right) on Bugsby. |
As one sees, the carburetor on Bugsby is not exactly the one shown in the operating manual. Does this mean it's not the original? Lynn thinks it is because the picture of the left-hand-side of the engine in that same manual (shown at the top of this page) shows a side-draft carburetor like the OS-2 in Bugsby. With an internet search Lynn finds that a Stromberg OS-2 is listed as used on a 1922-23 Stevens (Stevens-Duryea?).
Lynn thinks that the carburetor was incorrectly adjusted. Using the adjustment procedure from the Kissel operating manual, Lynn finds a different setting that makes a big difference in the driveability. Screw A in the factor photo adjusts the high-speed mixture (out is richer), while screw B adjusts the idle mixture (out is leaner). Lynn suspects that the reverse nature of the idle mixture setting wouldn't be obvious to a modern mechanic and could easily lead to an incorrect setting.
Bugsby was not fitted with an air filter by the factory. It is not until 1926 that Kissel added its first air screen to the intake of a Model 6-55 (Quandt, 1990). Lynn buys a small motor cycle filter that fits nicely over the carburetor intake. Lynn will remove the filter when he shows the car.
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Last updated: May 24, 2009