the D16Y8 is better,....... the head flow is like a B16A
the intake mani is bigger & U Can Bolt up any B-series throttlebody,
I know OBD-1 IS BETTER , But IF your cheap Ucan use a 88-89 Tegra- ECU & use an activation switch
Ihave tuned this motor little & it made 125whp.
if u need help pm me...