Quote:
Originally Posted by aston@ultrasw.c
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on my own quest for a grille, I just learned that this punched sheet (RV 10-13) has a good air-through ratio of 53,7%
this might be of interest for all you racers sseking good air for your engines.
the other grilles we see here, those with the 3-5mm holes only have an air-through ratio of 35% to 46% at max
