I see now... I didn't realize you were talking about going up hills and such.. so is higher vacuum generally better? How can you tell when to use higher or lower vacuum for a given situation? Sorry - I'm doing my taxes right now too.
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"¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"
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