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In a bid to optimize the crate engine even further, we swapped on a set of FRPP 1.60:1 pedestal-mount roller rockers (PN M-6564-B351) in place of the stock nonadjustable stamped-steel rockers, which also required swapping to a taller set of valve covers. Even with their friction-reducing rollerized trunnions, however, the rollers only picked up 3 hp and 3 lb-ft of torque over the stock 1.6 rockers. View Related Article
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