your heads should be the same as the dove heads and should be the 76 cc.....im useing the 97cc heads on my 460 but im useing flat top pistons to get me in the 9.7 to 1 range all carbed 460 heads have the same ports....hope that helps
__________________ 94 gt aode baumannator,pi stallion 3000 stall,transgo,mega bite jrs,3.90 gears,31 spine moser axles,comp exteme,1.7 roller rockers,190 pump,mac cold air,ford 1 5/8 unequals, off road h,flowmaster 2 chamber with stainless tails,msd box,PIH(a9p computer ajustable fan controler),q1a k-member,kenny brown frame ties,driveshaft loop,air pump eliminator kit,bbk 70mm tb,pro-m bullit meter,24#injecters,ported heads&intake,and all the little bolt ons. | 
what is the stock comb. chamber for a 1969 460 truck engine? 
