At the recent Can Am reunion race at Elkhart lake, out of a 50+ car field, the top five finishers contained two or three small blocks and the times/speeds would have qualified them back in the day. Just an observation that small block technology has come a long way. All had around 700-800 and in the case of the winner, 900 hp and yes that was a big Block M8F.The small blocks were Lolas.....!