[quote Depending on how much bowl work was done they may flow 250-260 cfm or so.



Are the heads 346s or 452s by chance? A basic bowl blend by somebody knowledgable will get a stock valve 346 in the 260 range.

72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.