Posted by jdemaris on January 04, 2011 at 12:43:10 from (67.142.130.40):
In Reply to: Re: Pertronix Installed posted by johndeereman on January 04, 2011 at 12:35:22:
In my world, I'm calling anything below the temp that water freezes - cold. I.e. 32 degrees F.
Carburetors work by venturi effect and a properly working carb cannot provide a mixture rich enough to start a cold engine - unless it's choked, or has an accelerator pump you can cycle, or has a primer of some sort. My old British bikes had "ticklers" that forced the float down and flooded the engine for cold starting. Crude, but effective. Primer-bulbs can have the same effect.
Most if not all cars and trucks had accelerator pumps - so you could stomp up and down on the gas pedal and make them start with no choke. Not very common in tractors though. That beind said, many International Harvester British tractors with Brisish Zenith carbs DO have accelerator pumps. Kind of nice to have that feature.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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