Sometimes I hate videos. I like to just read the information. I can see what parts were used and the results and if I want more information I can read the article in detail. At first all I want to know is what HCI package did they use and what power did it make at what rpm. Maybe I don't want to invest the time to sit and watch a video or two. If I remember, I'll try to look at these when I have time to watch the video(s).
Those AFR 205 renegade heads are really what makes that combo shine. My father has a stock block 347 in his 69 Mach 1, and it makes about 485 horsepower with a Lunati camshaft similar to the videos, same intake, 1 5/8 hooker headers, 750 carb, but it uses mildy worked over Victor Jr heads.
What I like about the AFR heads is that you can pretty much just bolt them on without doing anything to them. Also I would agree that 8000 rpm in a stock block is not very safe. You can put as much horsepower as you want in a stock block, and whatever rpm too... however the block is going to break eventually.
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