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  • 1 month later...

to clear up some of this the rb20/25/26 cams cant be reground due to lack of material

cams can be ground from billet steel (rough moulds) to suit researched specifications usually what they have called stages

with the rb26 being a shim tappet/lifter what ever u wanna call it, you have to re measure with feeler guages at the base circle of the lobe to bucket clearence to make sure it is within specifications

to clear up some of this the rb20/25/26 cams cant be reground due to lack of material

cams can be ground from billet steel (rough moulds) to suit researched specifications usually what they have called stages

with the rb26 being a shim tappet/lifter what ever u wanna call it, you have to re measure with feeler guages at the base circle of the lobe to bucket clearence to make sure it is within specifications

be careful too as the lobes may hit the lifter walls if the lift is too great.

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