Hi all,
Is there a direct conversion for CFM flow @ 10" to CFM flow at 28" Water. Just came across some figures for my bike head that seem low - (all at 0.400" lift) - IN 102.5 & EX 93. Its a reworked 4V - large valves 30 / 26mm dia's for a turbo application (hence the low total lift).
Just wondering - its on and working but the figures concern me?
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