Search results for query: *

I am building a 440 now with the 516 closed chamber heads, I have used the 2.14 intakes , the 1.81 exhaust valves and opened the pockets to the bottom of valve seat, Ports were massaged, the exhaust is really bad with that lump just under the valve seat, I "massaged " that really well. milled...

I will not know what heads I have until I pull off the rocker covers, not working with original motor, supposed to be 1970- 440/375hp. What is the factory compr ratio for the 1967-1970 RB motors? the casting numbers on top near dist. is 440-C (block) the heads could be earlier and could even be...