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Phoenix,
All four of my cylinder heads are at the cylinder head shop being rebuilt. I will have to pick up one next week in order to mock up the cam geartrain and see how the backlash is going to work out. The head will likely have no valve in it, but I can get some pictures then. It is kind of interesting because the ports and valves seem small for the claimed output, but my cylinder head guy said it is all about making it work with high velocity flow. As someone pointed out earlier in this thread, they actually reduced the exhaust port size in 1965 to improve performance.
In the meantime, I have attached a scan of the cutaway drawing from Autocar magazine 16 April 1965 edition. They did an article on the SCA that included some really good information and photos.
Regards,
Rob
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