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Regarding the "T' 140-160

posted by  Trev29 on  Sat Nov 6 00:39 CST 2010
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last visit: Fri Oct 17 05:56 CST 2014
[RELATED]

Art, regarding the "T",

In FI 240s, I turn the key to II, and for a short period I hear the fuel system pressurizing. But then the sound seems to stop. Are the pumps still running and I haven't heard them or do they shut off when system pressure is reached?

If system back pressure stops the pump or doesn't damage the pump, then a "T" might not be needed. (I don't think mechanical fuel pumps keep pumping and building up pressure once the carb reservoir is full.)

Also, vapor lock is a problem with carbs. Wondering if the fuel system pressurizing with a low pressure electric pump before the engine is started, would fight vapor lock.
--
1980 245 Canadian B21A with SU carb but electronic ignition and M46 trans in Brampton, Ont.






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