Quote:
Originally Posted by grivera
What’s the difference between the S and B lobes?
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The B and S are just suffix’s for the grinders to adapt the lobe to different cam tunnels. Th B is for a little bigger base circle and cam tunnel up to 50 mm. It more or less is adding a slight amount of intensity and lift (.001”) without increasing the lifter acceleration. It won’t make any meaningful difference on this.