At first glance it looks easy to put a roller cam in a vintage block. The aftermarket industry sells retrofit cam kits with specially designed lifters that are tied in pairs to keep them properly aligned with the cam lobes. It appears that the biggest hurdle is the extra cost of the retrofit kit.
Converting a vintage flat-tappet engine to use a roller cam is possible, but it is more complicated than simply purchasing an aftermarket retrofit kit. None of the required steps are difficult, but some are time consuming and can be a bit tedious.
Rolling Retro 2020
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