It'll be okay if you replace the gas tank and rotate the tires. As far as tire rotation, just jack the car up and spin the tires by hand and set the car back down, you needn't change their location on the car.
Ahem, If the block was honed with a deck plate, and you didn't torque the bolts to the setting used during the honing process and you didn't use the same part head gasket used during the honing, you will have effected the ring sealing somewhat.
I admire your tenacity, ten pound increments to 105 ft-lbs? You one tough hombre!
Oh! Seabee! That's why.
