Thread: roller or roller tip

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I read a lot of things too. They may give 30hp over stamped rockers, but that 30hp may be at 9000 rpm where frictional losses are not even comperable to a stock engine. The huge cams required to turn those rpms will also greatly increase the frictional losses. So, you need to ask yourself, do I need these things for my application? When I build my engine I will probably use roller tip rockers because I will need to buy new rockers for the vortec heads anyways, but I see no reason to use full roller considering I'm going to use a california legal cam and redline it at 5000 plus or minus a few hundred.