At 03:59 PM 7/3/2011, Scott Daniel - Turbovans wrote: >this is really 'rich' ! > >re >"the difference between atmospheric pressure and >full regulated line pressure is maybe a teaspoonful " > >How can you talk about a pressure difference, and then use a volume >measurement in your explanation ? I should have said "the volume difference..." The lines swell up under pressure and hold another teaspoonful or so.
>That is not so kosher for such a geek tech guy. > >if your point is that it barely takes any pre-running of the fuel >pump to charge the lines.. >say that. >and we are not talking about 'pressure' .. >we are talking about liquid gas in the lines first, or that's what I >am talking about. Yes, that's true if you're starting with empty lines, not just with no pressure. If there's ten feet of 6 mm hose in the system that's a volume of about 85 cc, or about five seconds run on the pump to fill one time.
>so maybe no pre-runs of the pump is enough. >or maybe only one is. Since the pump runs continuously as soon as you start cranking I don't think it makes a material difference whether you do any at all. However it's conceivable that a certain amount of air might be trapped in injectors and have to be worked out through the injector nozzle. Yours, David |
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