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Well with aluminum heads, .044 quench distance and 224int/230ex @.050 duration on a hyd roller cam I don't think it will be on the "ragged edge", but I'm far from an expert on the subject. Anyone else think I'm pushing it on the CR for this set up ? 
No  My 518 has 10.29 to 1 on OR pump gas with Eddy RPM heads, the 464 C.I. 440 six pak motor in the car now has 10;6 to 1 comp ratio with another set of Eddy RPM heads and runs fine also on the local OR pump swill, the trick is to use a cold plug and a fine tune up 
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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