Originally Posted by PrometheusX

You're thinkin' of the f22a1 which is the SOHC prelude gen 4 motor before the H22a series 1-4. The H23a1 is the nonVTEC DOHC motor put in the Sixth gen preludes i think (Came at the same time as the F23 motor in the Sixth gen accords.) f22b1 and the f22a1 i think are almost identical motors besides maybe compression (i'm definetly not sure on that one) Hope that helps. What exact info do you need on the motor?