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have ford 363 tea hi-ports parker funnel web intake 1000 hp carb,running rich last year.Put super victor 8.2 on over the winter running lean top end . last years jets were 86 front 2.5 pv 89 back no pv hsab 35 iab 75 .put aed 5 emsulion comp billet metering blocks.The blocks go .019 ,blank ,019 ,019, 019.idle I can live with plugs after run light tan.running 88 front 97 back switch to 92 front 102 back .last year would gallon per run now 1/2 gallon .iab 71 hsab 31. thanks for advice.
 

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Put a hose between the bowl vents, cut a couple chunks out to let air in. If your manifold change put it in a different airflow area and the vents have air coming across them creating negative bowl pressure it will run it lean up top.
 
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