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Enter values in Green cells
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Convert engine size from cc to ci3300cc =201.37
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engine size (ci)201.37ci
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Max revs4000rpm
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Max CFM233.06cfm
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Volumetric efficiency %60Flathead between 50-70%
Overhead 80-90%
Hemi 95%
Blown 100% upwards
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Carb CFM required139.84cfm
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Some carb flow rates at 1.5” HG
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1 1/4 H2 S.U.110
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1 1/2 H4 S.U.133
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1 1/2 HS4 S.U.142
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1 3/4 HS6 S.U.210
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1 3/4 HIF6 S.U.240
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1 1/4 REECE fish114
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1 1/2 REECE fish150
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Weber 28/36 DCD (26/27mm Venturi's)225
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Weber 32/34 DMTL195
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Weber 40 FAV1 (Simultaneous opening of both barrels)
342
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Weber 40 DCOE (36mm Venturi's)175**per venturi
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Dellorto 40 DHLA (36mm Venturi's)182*
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Weber 45 DCOE (38mm Venturi's )242*
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Dellorto 45 DHLA(38mm Venturi's)254*
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Dellorto 48 DHLA (38mm Venturi's)283*
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Weber 48 IDA (38mm Venturi's)296*
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Stromberg 81120
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Stromberg 97 original150
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Stromberg 97 new160
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Stromberg 48170
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Chandler-Grove/Holley 92142
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Chandler-Grove/Holley 94155
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Chandler-Grove/Holley 8BA162
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Chandler-Grove/Holley ECG185
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