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<DIV><FONT size=2>That's usually noticed first as fuel starvation as air can't
get back from the canister to replace the fuel as it is used. Of course it
could have both issues ...</FONT></DIV>
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<DIV><FONT size=2>The vapour recovery system was used from 1970 and 71, not
particularly late.</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV>Further to Barney's notes: if the metal line going forward to the
adsorbtion cannister is clogged, pressure can build in the un-vented tank and
push vapors through any of the hose connections. </DIV>
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