im wanting to to a full top and bottom end rebuild on my blaster this winter. i for sure want to go KOR aggressive trail port with a rechambered head. but i dont know weather i should just get my oem crank rebuild, or go stroker? how are the vitos +3mm cranks.. ive heard of the stuffer blocks flying off? and the +4mm hot rods cranks? also getting the cases trenched isnt a problem.