ok ls1 is a 3.89399mm bore rod is a 6.098 stroke is a 3.633
so i take the 4.8l / 5.3l block and i bore it 3mm. to make it a 99mm block, and then trash the 3.267 crank and thro in the ls1 crank. then just use the ls1 rods of 6.098

i thank thats right.