>revs. My own preference is for the same setup as my 72 Celica: SOHC running
>two valves per cyl through rocker arms that were adjustable by screw and
>nut. I really feel that the DOHC 4-valve concept is just a technical "must
>have" that's been hyped on the customer, somewhat similar to the importance
>of gee wiz cupholders.
One fortunate consequence of using 4 small valves per cylinder is that
the valves stay in adjustment much longer due to the reduced impact
and easier cooling of the smaller valves.