It's all in the air to fuel ratio for combustion for a given gas. Does the ether can directions tell what A/F ratio your engine is getting. I doubt it by squirting by seconds measurement.
Prestone
Hold can upright and spray a 1 to 2 second burst into air intake or carburetor. Do not let can contact battery terminals or starter solenoid. Avoid excessive application. 2. With air cleaner and cover in place, start engine. Do not spray while trying to start engine. 3. If engine fails to start after repeating steps 1 and 2 several times, have ignition system checked. Do not use in diesel engines with glow plugs (See owner's manual). Contains an upper cylinder lubricant.
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QUICK START SITE
Precision flow is achieved by testing, calculation, sizing, and placement. A small amount of a premium ether-based blend is delivered from the cylinder through a micron filter, through a metering device into the delivery tube, and finally through the atomizer which is fitted in the intake air stream of the diesel engine. The atomized ether blend is injected into the air inlet incoming air steam and drawn into the engine combustion chamber (engine cylinder). The atomized ether/air mixture will ignite and burn as it is being compressed, raising the temperature in the combustion chamber to a point high enough for complete ignition of the injected diesel fuel. Cold-testing at +50 F to -50 F has resulted in complete startup in 3 to 7 seconds.
