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Duration/Lift : Power Guideline on RB26.

25K views 26 replies 11 participants last post by  R32 Combat 
It's the sides of the pocket that the lobe sweeps through that needs machining.

Buckets are only changed when going to very high lift cams that need a smaller base circle on the lobe to achieve the lift.

From memory the standard and up to around 10.5mm lift are on 32mm base circle and beyond that 30mm base circle with corresponding thicker buckets.
 
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