Thanks for the link - over complicated american smog emissions control thing! I would skip the pump - at the very least the pump will be sapping a bhp or two.
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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