any 225 performance ideas

To even get close to doubling your HP you will need a few more things dun just to get close to 185 hp, Shave about 80 to 100 thousands off the block to get your compression up to about 9 to 1 build a big valve head with some port work by a skilled Tech, then you will have to move the air out with headers..
Getting the correct cam shaft and a good ignition system and a good tune.
They can be built, but you are going to have to get more help from some great tech's here.