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scooder · 04-30-2014, 02:57 AM

Right, is not the yearbook that I thunk it was, it's Roger Huntington's How to hop up Ford and Mercury V8 engines.
It states 0.060 cut for dome type without other changes. 0.090 needs redoming, upto 0.125 with dome and flycut for valves!
For flat top pistons. 0.090 without other changes upto 0.125 with valve flycuts!
Sounds like a very Big cut to me, but he states this won't seriously weaken them! I'm not sure about that, but if I had a spare complete engine and heads here, I would play, and see how far you can go.
It also states "You can't cut. 0.100 of a stocker and expect it to out pull an Edelbrock"
These numbers are put here for reference and as a quote from a contemporary publication. If you decide to have a go, it's on your nickel.
I would, but I leave it up to you.
The Eddie Mayer heads you speak of, what chamber shape do they have? I know some were cast with a Navarro chamber, and some aren't?
Martin.

04-30-2014, 02:57 AM	#21
scooder Senior Member Join Date: Jul 2010 Posts: 2,593	Re: Results of milling iron heads. Right, is not the yearbook that I thunk it was, it's Roger Huntington's How to hop up Ford and Mercury V8 engines. It states 0.060 cut for dome type without other changes. 0.090 needs redoming, upto 0.125 with dome and flycut for valves! For flat top pistons. 0.090 without other changes upto 0.125 with valve flycuts! Sounds like a very Big cut to me, but he states this won't seriously weaken them! I'm not sure about that, but if I had a spare complete engine and heads here, I would play, and see how far you can go. It also states "You can't cut. 0.100 of a stocker and expect it to out pull an Edelbrock" These numbers are put here for reference and as a quote from a contemporary publication. If you decide to have a go, it's on your nickel. I would, but I leave it up to you. The Eddie Mayer heads you speak of, what chamber shape do they have? I know some were cast with a Navarro chamber, and some aren't? Martin.