Thread: 454 head questions

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Good pictures, and a nice job on the engine. However, I'm wondering what conclusions about iron vs aluminum heads can be drawn from a series of photos. You said that it's iron heads on a big block "hands down." What reasons are you putting forth?

Here's a photo of a big block with aluminum heads, but without some background on performance, etc., it doesn't say much except that someone built one.

I'm not doubting that you built a heck of an engine there, or that your recommendation isn't valid. I just don't see any backup except for the photos.