Thanks for the info! If the 205/55 r16 tires fit without rubbing or speedo issues (on the 16 Hydras) then I`m happy. The 225s are additional tires i would get from him. I might try them on rear wheels.
In the meantime I`ll have a chance to recondition the Dracos I have, although the two front ones are shot I guess, with an egg shape outer ring (not by me)
Two Summer tires are worn to hell so I did not want to get 4 brand new tires in size 15 on rims that are not perfect at all.
If I buy new tires they probably better being wider than 185, 195 and should go on the 16s to help the tank look more aggressive.