i have a stock 60 261. runs but is low on pressure in #4 and #6. want to rebuild and hop it up a little for my 46 1/2 ton resto rod. just want to know if anyone can recommend any particular parts or vendors that they have used. top to bottom i would like the build to go like this:

848 head w/ new valve and seats ( original rockers and push rods could/should be used?)
check and deck (if necess) head and block (adds to compression anyway)
offenhauser intake w/ dual carbs (i have heard use carbs from 216 motors to avoid over carbueration)
fenton (or similiar headers)
60 over bore (obviously new pistons and rings, will the old rods work, should the crank be ground and balanced?)
3/4 grind cam (new lifters)
new/rebuild oil pump
short shaft water pump and pump relocator (to fit the 46 stock front and radiator)

i believe thats it. have read and asked a lot to come up w/ this set up. this is my first engine rebuild, so any and all info and thoughts are muck appreciated.

thanks...big ed