Pre 66 intake bolt modifications info neeed.

Ok - thanks yes if small port it certainly WONT work for my build thank you very much im better off just leaving it alone
I already have this new
Port O Sonic
And fixing to have it port matched and worked over it will do for now .

That is one of the best intakes, back in the day. There were published mods for Super Stock to get the fuel distribution right at high rpm.