Mike, the quick fix for your 230 is to get a wrecking-yard HEI for a late model 250 or 292. It's a drop-in swap, and GM standard repair parts are available at any FLAPS.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!