I've always been partial to electrics. They draw just a few amps and come on only when needed. no parasitic loses like a clutch fan or a flex fan. Rigid non-clutch fans Should be your last choice. Check out summit racing. They have a good selection of electric fans.
I don't Know what other hi-po parts are available for your little motor but Clifford Performance might have a 4bbl. intake manifold for your 230.
I don't Know what other hi-po parts are available for your little motor but Clifford Performance might have a 4bbl. intake manifold for your 230.