Originally Posted by RandomTask

I'll spell this out for you. First, you bought pistons w/o even knowing if you were good with just a hone, for this, putting those pistons in might do you more harm than good.

Second - You can not take out the pistons from the top by just removing the head, you need to remove the block as the oil pan needs to be removed and you can't do this w/ the trans attached. Second, its easier to torque everything properly back down w/ the engine out of the car. Its a LOT of work to change pistons, and unless its for some strength gain, its just easier to find a used engine, and use that. I can quote you a price to do that.