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"Number of intake valves per cylinder (usually 1, 2 for 4-valve)     p 19"
"Outside diameter of one intake valve in inches                      p 19"
"Avg dia of port & runner (enter 'C' to calc from CCs or width/ht)   p 20"
"Length of port & runner from plenum to valve stem in throat, inches p 20"
"Port/valve flow efficiency (enter 'C' to calc from flow bench data) p 20"
"Flow efficiency of runner (enter 'C' to calc from flow bench data)  p 22"
"Single plane, dual plane, etc (enter 'C' to view options)           p 24"
"Blocked crossover, heat shields, etc = N; full heat to intake = Y   p 25"
"CFM flow of all carbs/throttle bodies @ 1.5''Hg (enter 'C' to calc) p 26"
"Enter 'Y' if carb secondaries only open at high flow demand         p 27"
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"Enter 'Y' or press <F1> to accept values and return to MAIN MENU"
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