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Found a rebuilt 390 tonite with c6aeu heads on it. My 390 I have now is a truck model d2teaa. Are these c6 heads a better choice and are these 4V?? any help guys
If the engine was rebuilt, there is a better than even chance that hardened valve seats were put into the older heads then. Performance wise the heads are identical.
my d2teaa heads are basically brand new rebuilt but the other ones might be as well. hmmm don't know if I'd keep them on there or just use mine then. thanks guys